"Cavitaci\u00F3"@ca . "Kavitace"@cs . . "\u062A\u0643\u0647\u0641"@ar . . . . . . . . "La cavitazione \u00E8 un fenomeno consistente nella formazione di zone di vapore all'interno di un fluido che poi implodono producendo un rumore caratteristico. Ci\u00F2 avviene a causa dell'abbassamento locale di pressione, la quale raggiunge la tensione di vapore del liquido, il quale subisce cos\u00EC un cambiamento di fase a gas, formando bolle (cavit\u00E0) contenenti vapore. Il fenomeno pu\u00F2 avvenire sulle eliche delle navi, nelle pompe, nelle turbine idrauliche Francis e Kaplan e nel sistema vascolare delle piante."@it . "Kabitazioa edo hutseko xurgapena, ura edo egoera likidoan dagoen beste fluido bat ertz zorrotz batetik abiadura handian igarotzean sortzen den efektu hidrodinamikoa da. Prozesuan, kontserbazioaren ondorioz, fluidoaren deskonpresioa sortzen da. Gerta daiteke fluidoa likidoaren lurrun-presiora iristea, eta horren ondorioz, likido hau osatzen duten molekulak lurrun-egoerara igarotzea, burbuilak edo aire-barrunbeak sortuz. Inplosio deritzo burbuilak bat-batean \u201Czanpatuz\u201D, lurruna egoera likidora itzultzearen prozesuari. Sortutako burbuila hauek presio handiagoko eremuetara mugituko dira eta han inplosionatu egingo dira. Honen ondorioz, gasa sortuko da eta inguruko azalera osatzen duen metala erauzi egingo da. Inplosioak, likidoan zehar soinuaren abiaduran garatuko diren sortuko ditu. Likidoa edozein izanda ere, uhin hauen abiadura soinuaren abiaduraren antzekoa izango da. Uhinak likidoaren korrontean xahutu daitezke edo gainazal baten kontra talka egin dezakete. Beti azalera berdinaren kontra talka egiten badute, materiala metalurgikoki ahuldu egiten da eta erosioa sortzen da. Erosioak, azalera kaltetzeaz gain, azalera hau presio-galera handiagoko zonalde bilakatzen du; hortaz, burbuila gehiago sortuko dira eremu honetan. Burbuilak inplosionatzerakoan, pareta solido batetik gertu edo honekin kontaktuan badaude, gainazal solidoan akatsak sortuko dira. Likidoak aire-barrunbeak zanpatzean, indarrak sortzen ditu eta hauen ondorioz presio lokalizatu altuak agertuko dira. Presio hauek izango dira gainazal solidoan akatsak eragiten dituztenak. Kontuan izan behar da materialaren propietateen arabera, honen oxidazioa gerta daitekeela eta honen ondorioz, materiala hondatu egingo dela. Normalean fenomeno honekin batera, zarata eta bibrazioak agertzen dira, eta honek, legarrak makina kolpatzen duen sentsazioa eman dezake. Kabitazioa itsasontzi eta hegazkinetako helize, ponpa eta prozesuetan ere ager daiteke. Kabitazioak, ondorioz, metala estaltzen eta babesten duen oxido-geruza erauztearen fenomenoari, kabitazioaren ondoriozko korrosioa deritzo. Honen ondorioz, oxido-geruza galdu duen zonaldearen (anodo) eta oxidoa mantentzen duenaren (katodo) artean sortzen da."@eu . . "Kavitation"@sv . . . "1124041063"^^ . . . . . "\uACF5\uB3D9\uD604\uC0C1 \uB610\uB294 \uCE90\uBE44\uD14C\uC774\uC158(cavitation)\uC774\uB780 \uC720\uCCB4\uC758 \uC18D\uB3C4 \uBCC0\uD654\uC5D0 \uC758\uD55C \uC555\uB825\uBCC0\uD654\uB85C\uC778\uD574 \uC720\uCCB4 \uB0B4\uC5D0 \uACF5\uB3D9\uC774 \uC0DD\uAE30\uB294 \uD604\uC0C1\uC744 \uB9D0\uD558\uBA70 \uACF5\uB3D9\uD604\uC0C1\uC774\uB77C\uACE0\uB3C4 \uD55C\uB2E4. \uACF5\uB3D9\uD604\uC0C1\uC740 \uBE60\uB978 \uC18D\uB3C4\uB85C \uC561\uCCB4\uAC00 \uC6B4\uB3D9\uD560 \uB54C \uC561\uCCB4\uC758 \uC555\uB825\uC774 \uC99D\uAE30\uC555 \uC774\uD558\uB85C \uB0AE\uC544\uC838\uC11C \uC561\uCCB4 \uB0B4\uC5D0 \uC99D\uAE30 \uAE30\uD3EC\uAC00 \uBC1C\uC0DD\uD558\uB294 \uD604\uC0C1\uC774\uB2E4. \uC99D\uAE30 \uAE30\uD3EC\uAC00 \uBCBD\uC5D0 \uB2FF\uC73C\uBA74 \uBD80\uC2DD\uC774\uB098 \uC18C\uC74C \uB4F1\uC774 \uBC1C\uC0DD\uD558\uBBC0\uB85C \uC124\uACC4\uC790\uB294 \uACF5\uB3D9\uD604\uC0C1\uC744 \uD53C\uD558\uB3C4\uB85D \uC124\uACC4\uD574\uC57C \uD55C\uB2E4. \uACF5\uB3D9\uD604\uC0C1\uC774\uB780 \uBB38\uC790 \uADF8\uB300\uB85C \uC774\uD574\uD558\uBA74 \uBB3C\uC18D\uC5D0 \uBE48\uACF3(\uACF5\uB3D9, cavity)\uC774 \uC0DD\uAE34\uB2E4\uB294 \uB73B\uC774\uB2E4. \uC774\uB807\uAC8C \uBD80\uB974\uB294 \uAC83\uC740 \uBB3C\uACFC \uC218\uC99D\uAE30\uC758 \uBC00\uB3C4\uC758 \uBE44\uAC00 \uC57D 1000:1\uC778 \uAC83\uC744 \uAC10\uC548\uD560 \uB54C \uACF5\uB3D9\uC758 \uB0B4\uBD80\uB294 \uC5ED\uD559\uC801 \uAD00\uC810\uC5D0\uC11C \uC0C1\uB300\uC801\uC73C\uB85C \uBE48\uACF3\uC774\uB77C\uACE0 \uBD80\uB97C \uC218 \uC788\uAE30 \uB54C\uBB38\uC774\uB2E4. \uC815\uC0C1\uC0C1\uD0DC\uC5D0\uC11C \uBC1B\uC74C\uAC01 (angle of attack) \u03B1\uB85C \uC804\uC9C4\uD558\uB294 \uC218\uC911\uC775 \uC8FC\uC704\uC758 \uC720\uC120\uC5D0 \uB300\uD558\uC5EC \uBCA0\uB974\uB204\uC774 \uBC29\uC815\uC2DD\uC744 \uC4F0\uBA74, \uAC00 \uB41C\uB2E4. \uB530\uB77C\uC11C \uC218\uC911\uC775\uC758 \uD45C\uBA74\uC5D0\uC11C\uB294 \uC18D\uB3C4 V\uAC00 \uC99D\uAC00\uD558\uBA74 \uC555\uB825 P\uAC00 \uAC10\uC18C\uD558\uAC8C \uB418\uBA70, \uC18D\uB3C4 V\uAC00 \uACC4\uC18D \uC99D\uAC00\uD558\uBA74 \uC555\uB825 P\uAC00 \uD3EC\uD654\uC99D\uAE30\uC555 P_v\uC774\uD558\uB85C \uB0B4\uB824\uAC00\uAC8C \uB418\uACE0 \uACF5\uB3D9\uD604\uC0C1\uC774 \uBC1C\uC0DD\uD558\uAC8C \uB418\uB294 \uAC83\uC774\uB2E4. \uD3EC\uD654\uC99D\uAE30\uC555 P_v\uC758 \uAC12\uC740 \uC628\uB3C4\uC5D0 \uB530\uB77C \uC57D\uAC04\uC529 \uBCC0\uD558\uB098 15\u00B0C\uC5D0\uC11C 1.7kPa \uC815\uB3C4\uC774\uB2E4. \uD55C\uD3B8 \uB300\uAE30\uC555\uC740 \uD45C\uC900\uC0C1\uD0DC\uC5D0\uC11C 101.3kPa\uAC00 \uB41C\uB2E4."@ko . "\u041A\u0430\u0432\u0456\u0442\u0430\u0446\u0456\u044F"@uk . . "Cavitazione"@it . "Kavitace (z latinsk\u00E9ho cavitas \u2013 dutina) je vznik dutin v kapalin\u011B p\u0159i lok\u00E1ln\u00EDm poklesu tlaku, n\u00E1sledovan\u00FD jejich imploz\u00ED. Pokles tlaku m\u016F\u017Ee b\u00FDt d\u016Fsledkem lok\u00E1ln\u00EDho zv\u00FD\u0161en\u00ED rychlosti (hydrodynamick\u00E1 kavitace), p\u0159\u00EDpadn\u011B pr\u016Fchodu intenzivn\u00ED akustick\u00E9 vlny v period\u00E1ch z\u0159ed\u011Bn\u00ED (akustick\u00E1 kavitace). Kavitace je zpo\u010D\u00E1tku vypln\u011Bna vakuem, pozd\u011Bji se vypln\u00ED p\u00E1rou okoln\u00ED kapaliny nebo do n\u00ED mohou difundovat plyny z okoln\u00ED kapaliny. P\u0159i vymizen\u00ED podtlaku, kter\u00FD kavitaci vytvo\u0159il, jej\u00ED bublina kolabuje za vzniku r\u00E1zov\u00E9 vlny s destruktivn\u00EDm \u00FA\u010Dinkem na okoln\u00ED materi\u00E1l. Vznik a z\u00E1nik kavita\u010Dn\u00EDch bublin popisuje Rayleigho-Plessetova rovnice. Jev m\u016F\u017Ee b\u00FDt doprov\u00E1zen sv\u011Bteln\u00FDm efektem. Kavitace vznik\u00E1 nap\u0159\u00EDklad na lopatk\u00E1ch lodn\u00EDch \u0161roub\u016F, turb\u00EDn, na \u010Derpadlech a dal\u0161\u00EDch za\u0159\u00EDzen\u00EDch, kter\u00E1 se velkou rychlost\u00ED pohybuj\u00ED v kapalin\u011B. Dok\u00E1\u017Ee ji zp\u016Fsobit stra\u0161ek pav\u00ED p\u0159i rozb\u00EDjen\u00ED ulit mo\u0159sk\u00FDch pl\u017E\u016F. Kavitace zp\u016Fsobuje hluk, sni\u017Euje \u00FA\u010Dinnost stroj\u016F a m\u016F\u017Ee zp\u016Fsobit i jejich mechanick\u00E9 po\u0161kozen\u00ED. Na vznik kavitace m\u00E1 vliv p\u0159edev\u0161\u00EDm velikost podtlaku, soudr\u017Enost (povrchov\u00E9 nap\u011Bt\u00ED) kapaliny a teplota: \u010D\u00EDm je ni\u017E\u0161\u00ED, t\u00EDm men\u0161\u00ED je kavitace."@cs . "Kavitation \u00E4r ett fenomen d\u00E4r snabba tryckf\u00F6r\u00E4ndringar i en v\u00E4tska leder till skapandet av sm\u00E5 \u00E5ngfyllda h\u00E5ligheter p\u00E5 platser d\u00E4r trycket \u00E4r relativt l\u00E5gt. V\u00E4tskan \"kokar\" d.v.s. \u00F6verg\u00E5r lokalt i gasform. Kavitation f\u00F6rekommer aldrig renodlad utan \u00E4r alltid en blandning av gasbildning, inl\u00F6st luft i v\u00E4tskan som frig\u00F6rs och expansion av inblandade luftbubblor i v\u00E4tskan."@sv . . . . . "\uACF5\uB3D9\uD604\uC0C1"@ko . . . . . "Cavita\u00E7\u00E3o \u00E9 o fen\u00F4meno de vaporiza\u00E7\u00E3o de um l\u00EDquido pela redu\u00E7\u00E3o da press\u00E3o, durante seu movimento. Para todo fluido no estado l\u00EDquido pode ser estabelecida uma curva que relaciona a press\u00E3o \u00E0 temperatura em que ocorre a vaporiza\u00E7\u00E3o. Por exemplo: na press\u00E3o atmosf\u00E9rica a temperatura de vaporiza\u00E7\u00E3o da \u00E1gua \u00E9 de cerca de 100\u00B0C. Contudo, a uma press\u00E3o menor, a temperatura de vaporiza\u00E7\u00E3o tamb\u00E9m se reduz.."@pt . . . . . . . . "Kawitacja \u2013 zjawisko fizyczne polegaj\u0105ce na gwa\u0142townej przemianie fazowej z fazy ciek\u0142ej w faz\u0119 gazow\u0105 pod wp\u0142ywem zmniejszenia ci\u015Bnienia. Je\u017Celi ciecz gwa\u0142townie przyspiesza zgodnie z zasad\u0105 zachowania energii, ci\u015Bnienie statyczne cieczy musi zmale\u0107. Dzieje si\u0119 tak np. w w\u0105skim otworze przelotowym zaworu albo na powierzchni \u015Bruby nap\u0119dowej statku. Kawitacja wyst\u0119puje wy\u0142\u0105cznie w cieczach."@pl . . . . . "Kavitation"@de . . . . . "\u03A3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7"@el . "\u0627\u0644\u062A\u0643\u0647\u0641 (\u0628\u0627\u0644\u0625\u0646\u062C\u0644\u064A\u0632\u064A\u0629:Cavitation) \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u0638\u0627\u0647\u0631\u0629 \u062A\u0634\u0643\u0644 \u0641\u0642\u0627\u0639\u0627\u062A \u0645\u0646 \u0627\u0644\u0628\u062E\u0627\u0631 \u0644\u0633\u0627\u0626\u0644 \u062C\u0627\u0631\u064D \u0641\u064A \u0645\u0646\u0637\u0642\u0629 \u064A\u0646\u062E\u0641\u0636 \u0641\u064A\u0647\u0627 \u0636\u063A\u0637 \u0627\u0644\u0633\u0627\u0626\u0644 \u0625\u0644\u0649 \u0645\u0627 \u062F\u0648\u0646 \u0636\u063A\u0637 \u0627\u0644\u0628\u062E\u0627\u0631. \u064A\u062A\u0645 \u062A\u0635\u0646\u064A\u0641 \u0638\u0627\u0647\u0631\u0629 \u0627\u0644\u062A\u0643\u0647\u0641 \u0645\u0646 \u062D\u064A\u062B \u0627\u0644\u0633\u0644\u0648\u0643 \u0625\u0644\u0649 \u0635\u0646\u0641\u064A\u0646: \u062A\u0643\u0647\u0641 \u0639\u0637\u0627\u0644\u064A (\u0639\u0627\u0628\u0631) \u0648\u062A\u0643\u0647\u0641 \u0644\u0627\u0639\u0637\u0627\u0644\u064A. \u064A\u0639\u0631\u0641 \u0627\u0644\u062A\u0643\u0647\u0641 \u0627\u0644\u0639\u0637\u0627\u0644\u064A \u0639\u0644\u0649 \u0623\u0646\u0647 \u0627\u0644\u0639\u0645\u0644\u064A\u0629 \u0627\u0644\u062A\u064A \u064A\u0646\u0634\u0623 \u0641\u064A\u0647\u0627 \u0641\u062C\u0648\u0629 \u0623\u0648 \u0641\u0642\u0627\u0639\u0629 \u0641\u064A \u0633\u0627\u0626\u0644 \u0648\u062A\u062A\u0631\u0627\u0643\u0628 \u0628\u0634\u0643\u0644 \u0633\u0631\u064A\u0639 \u0645\u0645\u0627 \u064A\u0624\u062F\u064A \u0625\u0644\u0649 . \u063A\u0627\u0644\u0628\u0627\u064B \u0645\u0627 \u062A\u0646\u0634\u0623 \u0647\u0630\u0647 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0641\u064A \u0627\u0644\u0645\u0636\u062E\u0627\u062A \u060C \u060C \u0648\u0641\u064A \u0623\u0646\u0633\u062C\u0629 . \u064A\u0639\u0631\u0641 \u0627\u0644\u062A\u0643\u0647\u0641 \u0627\u0644\u0644\u0627\u0639\u0637\u0627\u0644\u064A \u0639\u0644\u0649 \u0623\u0646\u0647 \u0627\u0644\u0639\u0645\u0644\u064A\u0629 \u0627\u0644\u062A\u064A \u062A\u062C\u0628\u0631 \u0641\u064A\u0647\u0627 \u0641\u0642\u0627\u0639\u0629 \u0641\u064A \u0627\u0644\u0633\u0627\u0626\u0644 \u0639\u0644\u0649 \u0627\u0644\u062A\u0623\u0631\u062C\u062D (\u0627\u0644\u0627\u0647\u062A\u0632\u0627\u0632) \u0641\u064A \u0627\u0644\u062D\u062C\u0645 \u0623\u0648 \u0627\u0644\u0634\u0643\u0644 \u0628\u0633\u0628\u0628 \u0634\u0643\u0644 \u0645\u0646 \u0623\u0634\u0643\u0627\u0644 \u0637\u0627\u0642\u0629 \u0627\u0644\u062E\u0627\u0631\u062C\u064A\u0629 \u0645\u062B\u0644 \u0627\u0644\u0645\u0648\u062C\u0627\u062A \u0627\u0644\u0635\u0648\u062A\u064A\u0629. \u062A\u0648\u0638\u0651\u0641 \u0647\u0630\u0647 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0641\u064A \u062D\u0645\u0627\u0645\u0627\u062A \u0627\u0644\u062A\u0646\u0638\u064A\u0641 \u060C \u0643\u0645\u0627 \u064A\u0645\u0643\u0646 \u0645\u0644\u0627\u062D\u0638\u062A\u0647\u0627 \u0641\u064A \u0627\u0644\u0645\u0636\u062E\u0627\u062A \u0623\u064A\u0636\u0627\u064B."@ar . "La cavitation (du latin cavus, \u00AB trou \u00BB) est la naissance et l'oscillation radiale de bulles de gaz ou de vapeur dans un liquide soumis \u00E0 une d\u00E9pression. Si cette d\u00E9pression est suffisamment \u00E9lev\u00E9e, la pression peut devenir inf\u00E9rieure \u00E0 la pression de vapeur saturante, et une bulle de vapeur est susceptible de se former. Les origines de la d\u00E9pression sont de trois sortes : \n* due \u00E0 l'\u00E9coulement du fluide. \n* due \u00E0 une onde acoustique entra\u00EEnant des variations de la densit\u00E9 du liquide. \n* due \u00E0 une onde lumineuse entra\u00EEnant des variations de la densit\u00E9 du liquide."@fr . "\u041A\u0430\u0432\u0456\u0442\u0430\u0301\u0446\u0456\u044F (\u0432\u0456\u0434 \u043B\u0430\u0442. Cavitas \u2014 \u043F\u0443\u0441\u0442\u043E\u0442\u0430, \u043F\u043E\u0440\u043E\u0436\u043D\u0438\u043D\u0430) (\u0440\u043E\u0441. \u043A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F, \u0430\u043D\u0433\u043B. cavitation, \u043D\u0456\u043C. Blasenbildung f, Hohlsog m, Hohlraumbildung f) \u2014 \u0443\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F \u0432\u0441\u0435\u0440\u0435\u0434\u0438\u043D\u0456 \u0440\u0456\u0434\u0438\u043D\u0438 \u043F\u043E\u0440\u043E\u0436\u043D\u0438\u043D, \u0437\u0430\u043F\u043E\u0432\u043D\u0435\u043D\u0438\u0445 \u0433\u0430\u0437\u043E\u043C, \u043F\u0430\u0440\u043E\u044E \u0430\u0431\u043E \u0457\u0445 \u0441\u0443\u043C\u0456\u0448\u0448\u044E (\u043A\u0430\u0432\u0456\u0442\u0430\u0446\u0456\u0439\u043D\u0438\u0445 \u0431\u0443\u043B\u044C\u0431\u0430\u0448\u043E\u043A), \u0442\u043E\u0431\u0442\u043E \u043F\u043E\u0440\u0443\u0448\u0435\u043D\u043D\u044F \u0441\u0443\u0446\u0456\u043B\u044C\u043D\u043E\u0441\u0442\u0456 \u0440\u0456\u0434\u0438\u043D\u0438."@uk . "\u30AD\u30E3\u30D3\u30C6\u30FC\u30B7\u30E7\u30F3"@ja . . "Kawitacja \u2013 zjawisko fizyczne polegaj\u0105ce na gwa\u0142townej przemianie fazowej z fazy ciek\u0142ej w faz\u0119 gazow\u0105 pod wp\u0142ywem zmniejszenia ci\u015Bnienia. Je\u017Celi ciecz gwa\u0142townie przyspiesza zgodnie z zasad\u0105 zachowania energii, ci\u015Bnienie statyczne cieczy musi zmale\u0107. Dzieje si\u0119 tak np. w w\u0105skim otworze przelotowym zaworu albo na powierzchni \u015Bruby nap\u0119dowej statku. Kawitacja wyst\u0119puje wy\u0142\u0105cznie w cieczach."@pl . . . . . "La cavitaci\u00F3 (del llat\u00ED cavus: \"forat\") o aspiraci\u00F3 en el buit, \u00E9s un fenomen de creixement de bombolles dins l'aigua o un altre fluid, seguit d'una depressi\u00F3 que les fa implotar. La cavitaci\u00F3 t\u00E9 molta import\u00E0ncia en vaixells i maquin\u00E0ria en general; cal evitar-la, ja que desgasta les peces. En la natura \u00E9s un dels factors de l'erosi\u00F3. En la cavitaci\u00F3 hi ha la formaci\u00F3 i oscil\u00B7laci\u00F3 radial de bombolles de gas o de vapor dins un l\u00EDquid sotm\u00E8s a una depressi\u00F3. Si aquesta depressi\u00F3 \u00E9s prou elevada, la pressi\u00F3 pot ser inferior a la pressi\u00F3 de vapor saturant, i es pot formar una bombolla de vapor."@ca . . . . . . . "La cavitaci\u00F3n o aspiraciones en vac\u00EDo es un efecto hidrodin\u00E1mico que se produce cuando se crean cavidades de vapor dentro del agua o de cualquier otro fluido en estado l\u00EDquido en el que act\u00FAan fuerzas que responden a diferencias de presi\u00F3n, como puede suceder cuando el fluido pasa a gran velocidad por una arista afilada, produciendo una descompresi\u00F3n del fluido debido a la conservaci\u00F3n de la constante de Bernoulli. Puede ocurrir que se alcance la presi\u00F3n de vapor del l\u00EDquido de tal forma que las mol\u00E9culas que lo componen cambian inmediatamente a estado de vapor, form\u00E1ndose burbujas o, m\u00E1s correctamente, cavidades. Las burbujas formadas viajan a zonas de mayor presi\u00F3n e implosionan (el vapor regresa al estado l\u00EDquido de manera s\u00FAbita, \u00ABaplast\u00E1ndose\u00BB bruscamente las burbujas) produciendo una"@es . . . . "Cavitatie"@nl . "Kavitace (z latinsk\u00E9ho cavitas \u2013 dutina) je vznik dutin v kapalin\u011B p\u0159i lok\u00E1ln\u00EDm poklesu tlaku, n\u00E1sledovan\u00FD jejich imploz\u00ED. Pokles tlaku m\u016F\u017Ee b\u00FDt d\u016Fsledkem lok\u00E1ln\u00EDho zv\u00FD\u0161en\u00ED rychlosti (hydrodynamick\u00E1 kavitace), p\u0159\u00EDpadn\u011B pr\u016Fchodu intenzivn\u00ED akustick\u00E9 vlny v period\u00E1ch z\u0159ed\u011Bn\u00ED (akustick\u00E1 kavitace). Kavitace je zpo\u010D\u00E1tku vypln\u011Bna vakuem, pozd\u011Bji se vypln\u00ED p\u00E1rou okoln\u00ED kapaliny nebo do n\u00ED mohou difundovat plyny z okoln\u00ED kapaliny. P\u0159i vymizen\u00ED podtlaku, kter\u00FD kavitaci vytvo\u0159il, jej\u00ED bublina kolabuje za vzniku r\u00E1zov\u00E9 vlny s destruktivn\u00EDm \u00FA\u010Dinkem na okoln\u00ED materi\u00E1l. Vznik a z\u00E1nik kavita\u010Dn\u00EDch bublin popisuje Rayleigho-Plessetova rovnice. Jev m\u016F\u017Ee b\u00FDt doprov\u00E1zen sv\u011Bteln\u00FDm efektem. Kavitace vznik\u00E1 nap\u0159\u00EDklad na lopatk\u00E1ch lodn\u00EDch \u0161roub\u016F, turb\u00EDn, na \u010Derpadlech a dal\u0161\u00EDch za\u0159\u00EDzen\u00EDch, kter\u00E1 se velkou rych"@cs . . "7807"^^ . . . . . . . "La cavitazione \u00E8 un fenomeno consistente nella formazione di zone di vapore all'interno di un fluido che poi implodono producendo un rumore caratteristico. Ci\u00F2 avviene a causa dell'abbassamento locale di pressione, la quale raggiunge la tensione di vapore del liquido, il quale subisce cos\u00EC un cambiamento di fase a gas, formando bolle (cavit\u00E0) contenenti vapore. La dinamica del processo \u00E8 simile a quella dell'ebollizione. La principale differenza tra cavitazione ed ebollizione \u00E8 che nell'ebollizione, a causa dell'aumento di temperatura, la tensione di vapore sale fino a superare la pressione del liquido, creando quindi una bolla meccanicamente stabile, perch\u00E9 piena di vapore alla stessa pressione del liquido circostante; nella cavitazione, invece, \u00E8 la pressione del liquido a scendere improvvisamente, mentre la temperatura e la tensione di vapore restano costanti. Per questo motivo la \"bolla\" da cavitazione resiste solo finch\u00E9 non esce dalla zona di bassa pressione idrostatica; appena ritorna in una zona del fluido in quiete, la pressione di vapore non \u00E8 sufficiente a contrastare la pressione idrostatica e la bolla da cavitazione implode immediatamente. La temperatura raggiunta all'interno di una bolla di cavitazione pu\u00F2 essere molto elevata, tale da poter generare il fenomeno della sonoluminscenza, ma per lungo tempo \u00E8 risultata difficile da misurare. Delle stime spettroscopiche valutano la temperatura che pu\u00F2 essere raggiunta come simile (se non superiore) a quella della fotosfera solare (la parte pi\u00F9 fredda del sole). Il fenomeno pu\u00F2 avvenire sulle eliche delle navi, nelle pompe, nelle turbine idrauliche Francis e Kaplan e nel sistema vascolare delle piante. Affinch\u00E9 la cavitazione possa manifestarsi, occorre un substrato che agisca da centro di nucleazione: pu\u00F2 essere la superficie di un contenitore, impurit\u00E0 presenti nel liquido oppure altre irregolarit\u00E0. La temperatura ha una notevole influenza sulla cavitazione, poich\u00E9 altera la tensione di vapore. Se la temperatura aumenta, la maggiore tensione di vapore facilita la cavitazione. Si conviene usualmente di considerare una macchina idraulica in fase di cavitazione quando o la portata, o la prevalenza, o la potenza generata diminuiscono di pi\u00F9 del 3% rispetto a condizioni analoghe in assenza di cavitazione. La cavitazione pu\u00F2 essere utilizzata anche come strumento di pulizia. La sua capacit\u00E0 attrattiva permette una pulizia per asportazione che viene usata non solo in ambito militare, ma anche in ambito medico, con l'impiego di micro pulizie e chirurgia. Ultimamente \u00E8 stata utilizzata per la pulizia di grandi superfici come quelle delle navi, soprattutto dalla marina militare statunitense. La cavitazione \u00E8 stata proposta come una spiegazione dello schiocco delle articolazioni (dita, polsi, ecc.). Queste infatti sono tenute assieme da tessuti connettivi e legamenti. Nel nostro corpo sono presenti articolazioni sinoviali, circondate dal liquido sinoviale. Quando si piega o allunga il dito per far scrocchiare la nocca, si causa la separazione dell'articolazione, di conseguenza anche il tessuto connettivo che la circonda \u00E8 tirato. Sollecitando questo rivestimento, il volume aumenta con un conseguente calo di pressione che coinvolge anche il liquido sinoviale, facendo diminuire la solubilit\u00E0 dei gas disciolti in esso, che quindi formano delle bolle attraverso il processo di cavitazione. Quando l'articolazione \u00E8 distaccata abbastanza, la pressione si abbassa a tal punto da far collassare le bolle producendo il caratteristico suono. Ci vogliono dai 25 ai 30 minuti per far ridissolvere i gas nel fluido. Durante questo periodo le articolazioni non scrocchieranno, dopodich\u00E9 la cavitazione sar\u00E0 ancora possibile."@it . . . . . . . . . . "Cabh\u00E1n\u00FA"@ga . . "Cavitation"@en . . . . . . . . . "Kavitacio"@eo . . . . . "\u0627\u0644\u062A\u0643\u0647\u0641 (\u0628\u0627\u0644\u0625\u0646\u062C\u0644\u064A\u0632\u064A\u0629:Cavitation) \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u0638\u0627\u0647\u0631\u0629 \u062A\u0634\u0643\u0644 \u0641\u0642\u0627\u0639\u0627\u062A \u0645\u0646 \u0627\u0644\u0628\u062E\u0627\u0631 \u0644\u0633\u0627\u0626\u0644 \u062C\u0627\u0631\u064D \u0641\u064A \u0645\u0646\u0637\u0642\u0629 \u064A\u0646\u062E\u0641\u0636 \u0641\u064A\u0647\u0627 \u0636\u063A\u0637 \u0627\u0644\u0633\u0627\u0626\u0644 \u0625\u0644\u0649 \u0645\u0627 \u062F\u0648\u0646 \u0636\u063A\u0637 \u0627\u0644\u0628\u062E\u0627\u0631. \u064A\u062A\u0645 \u062A\u0635\u0646\u064A\u0641 \u0638\u0627\u0647\u0631\u0629 \u0627\u0644\u062A\u0643\u0647\u0641 \u0645\u0646 \u062D\u064A\u062B \u0627\u0644\u0633\u0644\u0648\u0643 \u0625\u0644\u0649 \u0635\u0646\u0641\u064A\u0646: \u062A\u0643\u0647\u0641 \u0639\u0637\u0627\u0644\u064A (\u0639\u0627\u0628\u0631) \u0648\u062A\u0643\u0647\u0641 \u0644\u0627\u0639\u0637\u0627\u0644\u064A. \u064A\u0639\u0631\u0641 \u0627\u0644\u062A\u0643\u0647\u0641 \u0627\u0644\u0639\u0637\u0627\u0644\u064A \u0639\u0644\u0649 \u0623\u0646\u0647 \u0627\u0644\u0639\u0645\u0644\u064A\u0629 \u0627\u0644\u062A\u064A \u064A\u0646\u0634\u0623 \u0641\u064A\u0647\u0627 \u0641\u062C\u0648\u0629 \u0623\u0648 \u0641\u0642\u0627\u0639\u0629 \u0641\u064A \u0633\u0627\u0626\u0644 \u0648\u062A\u062A\u0631\u0627\u0643\u0628 \u0628\u0634\u0643\u0644 \u0633\u0631\u064A\u0639 \u0645\u0645\u0627 \u064A\u0624\u062F\u064A \u0625\u0644\u0649 . \u063A\u0627\u0644\u0628\u0627\u064B \u0645\u0627 \u062A\u0646\u0634\u0623 \u0647\u0630\u0647 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0641\u064A \u0627\u0644\u0645\u0636\u062E\u0627\u062A \u060C \u060C \u0648\u0641\u064A \u0623\u0646\u0633\u062C\u0629 . \u064A\u0639\u0631\u0641 \u0627\u0644\u062A\u0643\u0647\u0641 \u0627\u0644\u0644\u0627\u0639\u0637\u0627\u0644\u064A \u0639\u0644\u0649 \u0623\u0646\u0647 \u0627\u0644\u0639\u0645\u0644\u064A\u0629 \u0627\u0644\u062A\u064A \u062A\u062C\u0628\u0631 \u0641\u064A\u0647\u0627 \u0641\u0642\u0627\u0639\u0629 \u0641\u064A \u0627\u0644\u0633\u0627\u0626\u0644 \u0639\u0644\u0649 \u0627\u0644\u062A\u0623\u0631\u062C\u062D (\u0627\u0644\u0627\u0647\u062A\u0632\u0627\u0632) \u0641\u064A \u0627\u0644\u062D\u062C\u0645 \u0623\u0648 \u0627\u0644\u0634\u0643\u0644 \u0628\u0633\u0628\u0628 \u0634\u0643\u0644 \u0645\u0646 \u0623\u0634\u0643\u0627\u0644 \u0637\u0627\u0642\u0629 \u0627\u0644\u062E\u0627\u0631\u062C\u064A\u0629 \u0645\u062B\u0644 \u0627\u0644\u0645\u0648\u062C\u0627\u062A \u0627\u0644\u0635\u0648\u062A\u064A\u0629. \u062A\u0648\u0638\u0651\u0641 \u0647\u0630\u0647 \u0627\u0644\u0638\u0627\u0647\u0631\u0629 \u0641\u064A \u062D\u0645\u0627\u0645\u0627\u062A \u0627\u0644\u062A\u0646\u0638\u064A\u0641 \u060C \u0643\u0645\u0627 \u064A\u0645\u0643\u0646 \u0645\u0644\u0627\u062D\u0638\u062A\u0647\u0627 \u0641\u064A \u0627\u0644\u0645\u0636\u062E\u0627\u062A \u0623\u064A\u0636\u0627\u064B."@ar . . "\u041A\u0430\u0432\u0438\u0442\u0430\u0301\u0446\u0438\u044F (\u043E\u0442 \u043B\u0430\u0442. cavitas \u2014 \u043F\u0443\u0441\u0442\u043E\u0442\u0430) \u2014 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043A\u0438\u0439 \u043F\u0440\u043E\u0446\u0435\u0441\u0441 \u043E\u0431\u0440\u0430\u0437\u043E\u0432\u0430\u043D\u0438\u044F \u043F\u0443\u0437\u044B\u0440\u044C\u043A\u043E\u0432 (\u043F\u0443\u0441\u0442\u043E\u0442) \u0432 \u0436\u0438\u0434\u043A\u0438\u0445 \u0441\u0440\u0435\u0434\u0430\u0445, \u0441 \u043F\u043E\u0441\u043B\u0435\u0434\u0443\u044E\u0449\u0438\u043C \u0438\u0445 \u0441\u0445\u043B\u043E\u043F\u044B\u0432\u0430\u043D\u0438\u0435\u043C \u0438 \u0432\u044B\u0441\u0432\u043E\u0431\u043E\u0436\u0434\u0435\u043D\u0438\u0435\u043C \u0431\u043E\u043B\u044C\u0448\u043E\u0433\u043E \u043A\u043E\u043B\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u044D\u043D\u0435\u0440\u0433\u0438\u0438, \u043A\u043E\u0442\u043E\u0440\u043E\u0435 \u0441\u043E\u043F\u0440\u043E\u0432\u043E\u0436\u0434\u0430\u0435\u0442\u0441\u044F \u0448\u0443\u043C\u043E\u043C \u0438 \u0433\u0438\u0434\u0440\u0430\u0432\u043B\u0438\u0447\u0435\u0441\u043A\u0438\u043C\u0438 \u0443\u0434\u0430\u0440\u0430\u043C\u0438. \u041A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u043E\u043D\u043D\u044B\u0435 \u043F\u0443\u0437\u044B\u0440\u044C\u043A\u0438 \u043C\u043E\u0433\u0443\u0442 \u0441\u043E\u0434\u0435\u0440\u0436\u0430\u0442\u044C \u0440\u0430\u0437\u0440\u0435\u0436\u0435\u043D\u043D\u044B\u0439 \u043F\u0430\u0440. \u041A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F \u0432\u043E\u0437\u043D\u0438\u043A\u0430\u0435\u0442 \u0432 \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u0435 \u043C\u0435\u0441\u0442\u043D\u043E\u0433\u043E \u043F\u043E\u043D\u0438\u0436\u0435\u043D\u0438\u044F \u0434\u0430\u0432\u043B\u0435\u043D\u0438\u044F \u0432 \u0436\u0438\u0434\u043A\u043E\u0441\u0442\u0438, \u043A\u043E\u0442\u043E\u0440\u043E\u0435 \u043C\u043E\u0436\u0435\u0442 \u043F\u0440\u043E\u0438\u0441\u0445\u043E\u0434\u0438\u0442\u044C \u043B\u0438\u0431\u043E \u043F\u0440\u0438 \u0443\u0432\u0435\u043B\u0438\u0447\u0435\u043D\u0438\u0438 \u0435\u0451 \u0441\u043A\u043E\u0440\u043E\u0441\u0442\u0438, \u043D\u0430\u043F\u0440\u0438\u043C\u0435\u0440 \u0437\u0430 \u0433\u0440\u0435\u0431\u043D\u044B\u043C \u0432\u0438\u043D\u0442\u043E\u043C \u0441\u0443\u0434\u043D\u0430 (\u0433\u0438\u0434\u0440\u043E\u0434\u0438\u043D\u0430\u043C\u0438\u0447\u0435\u0441\u043A\u0430\u044F \u043A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F), \u043B\u0438\u0431\u043E \u043F\u0440\u0438 \u043F\u0440\u043E\u0445\u043E\u0436\u0434\u0435\u043D\u0438\u0438 \u0430\u043A\u0443\u0441\u0442\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0432\u043E\u043B\u043D\u044B \u0431\u043E\u043B\u044C\u0448\u043E\u0439 \u0438\u043D\u0442\u0435\u043D\u0441\u0438\u0432\u043D\u043E\u0441\u0442\u0438 \u0432\u043E \u0432\u0440\u0435\u043C\u044F \u043F\u043E\u043B\u0443\u043F\u0435\u0440\u0438\u043E\u0434\u0430 \u0440\u0430\u0437\u0440\u0435\u0436\u0435\u043D\u0438\u044F. \u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044E\u0442 \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u043F\u0440\u0438\u0447\u0438\u043D\u044B \u0432\u043E\u0437\u043D\u0438\u043A\u043D\u043E\u0432\u0435\u043D\u0438\u044F \u044D\u0444\u0444\u0435\u043A\u0442\u0430 \u0432 \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u0435 \u0432\u043D\u0435\u0448\u043D\u0438\u0445 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0432\u043E\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439. \u041F\u0435\u0440\u0435\u043C\u0435\u0449\u0430\u044F\u0441\u044C \u0441 \u043F\u043E\u0442\u043E\u043A\u043E\u043C \u0432 \u043E\u0431\u043B\u0430\u0441\u0442\u044C \u0441 \u0431\u043E\u043B\u0435\u0435 \u0432\u044B\u0441\u043E\u043A\u0438\u043C \u0434\u0430\u0432\u043B\u0435\u043D\u0438\u0435\u043C \u0438\u043B\u0438 \u0432\u043E \u0432\u0440\u0435\u043C\u044F \u043F\u043E\u043B\u0443\u043F\u0435\u0440\u0438\u043E\u0434\u0430 \u0441\u0436\u0430\u0442\u0438\u044F, \u043A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u043E\u043D\u043D\u044B\u0439 \u043F\u0443\u0437\u044B\u0440\u0451\u043A \u0441\u0445"@ru . . . . . . "\u30AD\u30E3\u30D3\u30C6\u30FC\u30B7\u30E7\u30F3\uFF08\u82F1: cavitation\uFF09\u306F\u3001\u6DB2\u4F53\u306E\u6D41\u308C\u306E\u4E2D\u3067\u5727\u529B\u5DEE\u306B\u3088\u308A\u77ED\u6642\u9593\u306B\u6CE1\u306E\u767A\u751F\u3068\u6D88\u6EC5\u304C\u8D77\u304D\u308B\u7269\u7406\u73FE\u8C61\u3067\u3042\u308B\u3002\u7A7A\u6D1E\u73FE\u8C61\u3068\u3082\u3044\u308F\u308C\u308B\u3002\u3053\u306E\u73FE\u8C61\u306F19\u4E16\u7D00\u672B\u306B\u3001\u9AD8\u901F\u8239\u7528\u306E\u30D7\u30ED\u30DA\u30E9\u304C\u3001\u4E88\u60F3\u3055\u308C\u305F\u6027\u80FD\u3092\u767A\u63EE\u3057\u306A\u304B\u3063\u305F\u3053\u3068\u304B\u3089\u767A\u898B\u3055\u308C\u305F\u3002\u30E2\u30F3\u30CF\u30CA\u30B7\u30E3\u30B3\u304C\u7372\u7269\u3092\u30D1\u30F3\u30C1\u3067\u653B\u6483\u3059\u308B\u6642\u306B\u3082\u8155\u306E\u5468\u308A\u306B\u767A\u751F\u3059\u308B\u3002"@ja . "Cavita\u00E7\u00E3o \u00E9 o fen\u00F4meno de vaporiza\u00E7\u00E3o de um l\u00EDquido pela redu\u00E7\u00E3o da press\u00E3o, durante seu movimento. Para todo fluido no estado l\u00EDquido pode ser estabelecida uma curva que relaciona a press\u00E3o \u00E0 temperatura em que ocorre a vaporiza\u00E7\u00E3o. Por exemplo: na press\u00E3o atmosf\u00E9rica a temperatura de vaporiza\u00E7\u00E3o da \u00E1gua \u00E9 de cerca de 100\u00B0C. Contudo, a uma press\u00E3o menor, a temperatura de vaporiza\u00E7\u00E3o tamb\u00E9m se reduz.."@pt . . . . . . . . . . . . "Kavitation (lateinisch cavitare \u201Eaush\u00F6hlen\u201C) ist die Bildung und Aufl\u00F6sung von dampfgef\u00FCllten Hohlr\u00E4umen (Dampfblasen) in Fl\u00FCssigkeiten. Man unterscheidet zwei Grenzf\u00E4lle, zwischen denen es viele \u00DCbergangsformen gibt: \n* Bei der Dampfkavitation oder harten (transienten) Kavitation enthalten die Hohlr\u00E4ume haupts\u00E4chlich Dampf der umgebenden Fl\u00FCssigkeit. Solche Hohlr\u00E4ume fallen unter Einwirkung des \u00E4u\u00DFeren Drucks per Blasenimplosion zusammen (mikroskopischer Dampfschlag). \n* Bei der weichen Gaskavitation treten in der Fl\u00FCssigkeit gel\u00F6ste Gase in die Kavit\u00E4ten ein und d\u00E4mpfen deren Kollaps, bei der stabilen Gaskavitation verhindern sie ihn. Die Kavitationszahl beschreibt die Neigung einer Fl\u00FCssigkeit zur Kavitation."@de . . . "Kavitation \u00E4r ett fenomen d\u00E4r snabba tryckf\u00F6r\u00E4ndringar i en v\u00E4tska leder till skapandet av sm\u00E5 \u00E5ngfyllda h\u00E5ligheter p\u00E5 platser d\u00E4r trycket \u00E4r relativt l\u00E5gt. V\u00E4tskan \"kokar\" d.v.s. \u00F6verg\u00E5r lokalt i gasform. Kavitation f\u00F6rekommer aldrig renodlad utan \u00E4r alltid en blandning av gasbildning, inl\u00F6st luft i v\u00E4tskan som frig\u00F6rs och expansion av inblandade luftbubblor i v\u00E4tskan."@sv . . . . . . . "71264"^^ . . . . . . . . . "La cavitaci\u00F3n o aspiraciones en vac\u00EDo es un efecto hidrodin\u00E1mico que se produce cuando se crean cavidades de vapor dentro del agua o de cualquier otro fluido en estado l\u00EDquido en el que act\u00FAan fuerzas que responden a diferencias de presi\u00F3n, como puede suceder cuando el fluido pasa a gran velocidad por una arista afilada, produciendo una descompresi\u00F3n del fluido debido a la conservaci\u00F3n de la constante de Bernoulli. Puede ocurrir que se alcance la presi\u00F3n de vapor del l\u00EDquido de tal forma que las mol\u00E9culas que lo componen cambian inmediatamente a estado de vapor, form\u00E1ndose burbujas o, m\u00E1s correctamente, cavidades. Las burbujas formadas viajan a zonas de mayor presi\u00F3n e implosionan (el vapor regresa al estado l\u00EDquido de manera s\u00FAbita, \u00ABaplast\u00E1ndose\u00BB bruscamente las burbujas) produciendo una estela de gas de gran energ\u00EDa sobre una superficie s\u00F3lida que puede resquebrajar en el choque. La implosi\u00F3n causa ondas de presi\u00F3n que viajan en el l\u00EDquido a velocidades pr\u00F3ximas a las del sonido independientemente del fluido donde se creen. Estas pueden disiparse en la corriente del l\u00EDquido o pueden chocar con una superficie. Si la zona donde chocan las ondas de presi\u00F3n es la misma, el material tiende a debilitarse estructuralmente y se inicia una erosi\u00F3n que, adem\u00E1s de da\u00F1ar la superficie, provoca que \u00E9sta se convierta en una zona de mayor p\u00E9rdida de presi\u00F3n y por ende de mayor foco de formaci\u00F3n de burbujas de vapor. Si las burbujas de vapor se encuentran cerca o en contacto con una pared s\u00F3lida cuando implosionan, las fuerzas ejercidas por el l\u00EDquido al aplastar la cavidad dejada por el vapor dan lugar a presiones localizadas muy altas, ocasionando picaduras sobre la superficie s\u00F3lida. N\u00F3tese que dependiendo de la composici\u00F3n del material usado se podr\u00EDa producir una oxidaci\u00F3n de este con el consiguiente deterioro del material. El fen\u00F3meno generalmente va acompa\u00F1ado de ruido y vibraciones, dando la impresi\u00F3n de que se tratara de grava que golpea en diferentes partes de una m\u00E1quina. Se puede presentar tambi\u00E9n cavitaci\u00F3n en otros procesos como, por ejemplo, en h\u00E9lices de barcos y aviones, bombas y tejidos vascularizados de algunas plantas. Se suele llamar corrosi\u00F3n por cavitaci\u00F3n al fen\u00F3meno por el que la cavitaci\u00F3n arranca la capa de \u00F3xido (resultado de la pasivaci\u00F3n) que cubre el metal y lo protege, de tal forma que entre esta zona (\u00E1nodo) y la que permanece pasivada (cubierta por \u00F3xido) se forma un par galv\u00E1nico en el que el \u00E1nodo (el que se corroe) es la zona que ha perdido su capa de \u00F3xido y c\u00E1todo la que la mantiene."@es . . . "Kabitazioa edo hutseko xurgapena, ura edo egoera likidoan dagoen beste fluido bat ertz zorrotz batetik abiadura handian igarotzean sortzen den efektu hidrodinamikoa da. Prozesuan, kontserbazioaren ondorioz, fluidoaren deskonpresioa sortzen da. Gerta daiteke fluidoa likidoaren lurrun-presiora iristea, eta horren ondorioz, likido hau osatzen duten molekulak lurrun-egoerara igarotzea, burbuilak edo aire-barrunbeak sortuz. Inplosio deritzo burbuilak bat-batean \u201Czanpatuz\u201D, lurruna egoera likidora itzultzearen prozesuari. Sortutako burbuila hauek presio handiagoko eremuetara mugituko dira eta han inplosionatu egingo dira. Honen ondorioz, gasa sortuko da eta inguruko azalera osatzen duen metala erauzi egingo da."@eu . . . . "May 2022"@en . . . "\u0397 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7 \u03C3\u03C5\u03BC\u03B2\u03B1\u03AF\u03BD\u03B5\u03B9 \u03C3\u03C4\u03B1 \u03C5\u03B3\u03C1\u03AC \u03CC\u03C4\u03B1\u03BD \u03B7 \u03C0\u03AF\u03B5\u03C3\u03B7 \u03BC\u03AD\u03C3\u03B1 \u03C3\u03C4\u03BF\u03BD \u03BA\u03CD\u03BB\u03B9\u03BD\u03B4\u03C1\u03BF \u03C4\u03BF\u03C5 \u03BA\u03B9\u03BD\u03B7\u03C4\u03AE\u03C1\u03B1 \u03AE \u03C3\u03B5 \u03AD\u03BD\u03B1\u03BD \u03B1\u03B3\u03C9\u03B3\u03CC \u03B5\u03AF\u03BD\u03B1\u03B9 \u03BC\u03B9\u03BA\u03C1\u03CC\u03C4\u03B5\u03C1\u03B7 \u03B1\u03C0\u03CC \u03C4\u03B7\u03BD \u03C4\u03B1\u03BE\u03B9\u03BD\u03BF\u03BC\u03B7\u03BC\u03AD\u03BD\u03B7 \u03C0\u03AF\u03B5\u03C3\u03B7 \u03B2\u03C1\u03B1\u03C3\u03BC\u03BF\u03CD. \u0391\u03BD \u03B7 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7 \u03C3\u03C5\u03BC\u03B2\u03B1\u03AF\u03BD\u03B5\u03B9 \u03C0\u03AC\u03BD\u03C9 \u03C3\u03B5 \u03C3\u03C4\u03B5\u03C1\u03B5\u03AE \u03B5\u03C0\u03B9\u03C6\u03AC\u03BD\u03B5\u03B9\u03B1 \u03B3\u03B9\u03B1 \u03BC\u03B5\u03B3\u03AC\u03BB\u03BF \u03C7\u03C1\u03BF\u03BD\u03B9\u03BA\u03CC \u03B4\u03B9\u03AC\u03C3\u03C4\u03B7\u03BC\u03B1, \u03BC\u03C0\u03BF\u03C1\u03B5\u03AF \u03BD\u03B1 \u03BF\u03B4\u03B7\u03B3\u03AE\u03C3\u03B5\u03B9 \u03C3\u03B5 \u03BA\u03B1\u03C4\u03B1\u03C3\u03C4\u03C1\u03BF\u03C6\u03AE \u03C4\u03C9\u03BD \u03C4\u03BF\u03B9\u03C7\u03C9\u03BC\u03AC\u03C4\u03C9\u03BD \u03C4\u03BF\u03C5 \u03C5\u03BB\u03B9\u03BA\u03BF\u03CD. \u039F \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC\u03C2 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7\u03C2 \u03C3 \u03C0\u03B5\u03C1\u03B9\u03B3\u03C1\u03AC\u03C6\u03B5\u03B9 \u03C4\u03B7\u03BD \u03C4\u03AC\u03C3\u03B7 \u03B5\u03BD\u03CC\u03C2 \u03C5\u03B3\u03C1\u03BF\u03CD \u03BD\u03B1 \u03C0\u03C1\u03BF\u03BA\u03B1\u03BB\u03AD\u03C3\u03B5\u03B9 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7."@el . . . . . "\u7A7A\u8755\u73FE\u8C61\uFF08Cavitation\uFF09\uFF0C\u53C8\u8B6F\u6C23\u7A74\u73FE\u8C61\u3001\u6C23\u8755\u73FE\u8C61\u6216\u7A7A\u6D1E\u73FE\u8C61\uFF0C\u6307\u7684\u662F\u5728\u6D41\u52A8\u7684\u6DB2\u4F53\u4E2D\u6C23\u76F8\u7684\u7A7A\u7A74 \u2013 \u4EA6\u5373\u6975\u5C0F\u7684\u7121\u6DB2\u9AD4\u7A7A\u9593\uFF08\u201C\u7A7A\u6CE1\u201D\u6216\u201C\u7A7A\u9699\u201D\uFF09 \u2013 \u4EA7\u751F\u4E0E\u6D88\u706D\u7684\u4E00\u7A2E\u7269\u7406\u73FE\u8C61\uFF0C\u662F\u529B\u4F5C\u7528\u5728\u6DB2\u9AD4\u7684\u7D50\u679C\u3002\u6DB2\u9AD4\u53D7\u5230\u58D3\u529B\u7684\u5FEB\u901F\u6539\u8B8A\u6642\u6703\u7522\u751F\u7A7A\u7A74\uFF0C\u6B64\u6642\u7684\u58D3\u529B\u901A\u5E38\u76F8\u7576\u4F4E\uFF0C\u9664\u4E86\u6DB2\u9AD4\u672C\u8EAB\u7684\u84B8\u6C7D\u58D3\uFF0C\u53EF\u4EE5\u8AAA\u662F\u771F\u7A7A\u3002\u7576\u74B0\u5883\u7684\u58D3\u529B\u8B8A\u9AD8\uFF0C\u7A7A\u7A74\u5206\u88C2\uFF0C\u7522\u751F\u5F37\u529B\u7684\u885D\u64CA\u6CE2\u3002 \u7A7A\u7A74\u6548\u61C9\u662F\u5728\u5DE5\u7A0B\u74B0\u5883\u4E2D\u9020\u6210\u78E8\u640D\u7684\u4E3B\u8981\u539F\u56E0\u4E4B\u4E00\uFF1A\u5728\u91D1\u5C6C\u8868\u9762\u65C1\u74E6\u89E3\u7684\u7A7A\u7A74\u53CD\u8986\u6D88\u6EC5\uFF0C\u9020\u6210\u5FAA\u74B0\u61C9\u529B\uFF0C\u5C07\u9020\u6210\u91D1\u5C6C\u7684\u8868\u9762\u75B2\u52DE\u3002\u6700\u5E38\u898B\u7684\u4F8B\u5B50\u662F\u6CF5\u7684\u8449\u8F2A\u548C\u5F4E\u66F2\u8655\uFF0C\u6B64\u8655\u6700\u5BB9\u6613\u6709\u6DB2\u9AD4\u77AC\u9593\u7684\u65B9\u5411\u6539\u8B8A\u767C\u751F\u3002\u7A7A\u8755\u73FE\u8C61\u901A\u5E38\u5206\u70BA\u5169\u7A2E\uFF1A\u6163\u6027\uFF08\u6216\u77AC\u614B\uFF09\u7A7A\u8755\u548C\u975E\u6163\u6027\u7A7A\u8755\u3002"@zh . . . . . "Kabitazio"@eu . . . . . "La cavitaci\u00F3 (del llat\u00ED cavus: \"forat\") o aspiraci\u00F3 en el buit, \u00E9s un fenomen de creixement de bombolles dins l'aigua o un altre fluid, seguit d'una depressi\u00F3 que les fa implotar. La cavitaci\u00F3 t\u00E9 molta import\u00E0ncia en vaixells i maquin\u00E0ria en general; cal evitar-la, ja que desgasta les peces. En la natura \u00E9s un dels factors de l'erosi\u00F3. En la cavitaci\u00F3 hi ha la formaci\u00F3 i oscil\u00B7laci\u00F3 radial de bombolles de gas o de vapor dins un l\u00EDquid sotm\u00E8s a una depressi\u00F3. Si aquesta depressi\u00F3 \u00E9s prou elevada, la pressi\u00F3 pot ser inferior a la pressi\u00F3 de vapor saturant, i es pot formar una bombolla de vapor. La cavitaci\u00F3 s'esdev\u00E9 quan un fluid en estat l\u00EDquid passa a gran velocitat per una aresta esmolada produint una descompressi\u00F3 del fluid. Pot passar que es formin bombolles que viatgen a zones de pressi\u00F3 m\u00E9s gran i imploten (el vapor torna a l'estat l\u00EDquid de manera sobtada, \u00ABaxafant-se\u00BB les bombolles de manera brusca) produint una estela de gas i arrencant metall de la superf\u00EDcie d'una maquin\u00E0ria. El fenomen va acompanyat de soroll i vibracions."@ca . . . . . . . . . . . . "\u7A7A\u8755\u73FE\u8C61\uFF08Cavitation\uFF09\uFF0C\u53C8\u8B6F\u6C23\u7A74\u73FE\u8C61\u3001\u6C23\u8755\u73FE\u8C61\u6216\u7A7A\u6D1E\u73FE\u8C61\uFF0C\u6307\u7684\u662F\u5728\u6D41\u52A8\u7684\u6DB2\u4F53\u4E2D\u6C23\u76F8\u7684\u7A7A\u7A74 \u2013 \u4EA6\u5373\u6975\u5C0F\u7684\u7121\u6DB2\u9AD4\u7A7A\u9593\uFF08\u201C\u7A7A\u6CE1\u201D\u6216\u201C\u7A7A\u9699\u201D\uFF09 \u2013 \u4EA7\u751F\u4E0E\u6D88\u706D\u7684\u4E00\u7A2E\u7269\u7406\u73FE\u8C61\uFF0C\u662F\u529B\u4F5C\u7528\u5728\u6DB2\u9AD4\u7684\u7D50\u679C\u3002\u6DB2\u9AD4\u53D7\u5230\u58D3\u529B\u7684\u5FEB\u901F\u6539\u8B8A\u6642\u6703\u7522\u751F\u7A7A\u7A74\uFF0C\u6B64\u6642\u7684\u58D3\u529B\u901A\u5E38\u76F8\u7576\u4F4E\uFF0C\u9664\u4E86\u6DB2\u9AD4\u672C\u8EAB\u7684\u84B8\u6C7D\u58D3\uFF0C\u53EF\u4EE5\u8AAA\u662F\u771F\u7A7A\u3002\u7576\u74B0\u5883\u7684\u58D3\u529B\u8B8A\u9AD8\uFF0C\u7A7A\u7A74\u5206\u88C2\uFF0C\u7522\u751F\u5F37\u529B\u7684\u885D\u64CA\u6CE2\u3002 \u7A7A\u7A74\u6548\u61C9\u662F\u5728\u5DE5\u7A0B\u74B0\u5883\u4E2D\u9020\u6210\u78E8\u640D\u7684\u4E3B\u8981\u539F\u56E0\u4E4B\u4E00\uFF1A\u5728\u91D1\u5C6C\u8868\u9762\u65C1\u74E6\u89E3\u7684\u7A7A\u7A74\u53CD\u8986\u6D88\u6EC5\uFF0C\u9020\u6210\u5FAA\u74B0\u61C9\u529B\uFF0C\u5C07\u9020\u6210\u91D1\u5C6C\u7684\u8868\u9762\u75B2\u52DE\u3002\u6700\u5E38\u898B\u7684\u4F8B\u5B50\u662F\u6CF5\u7684\u8449\u8F2A\u548C\u5F4E\u66F2\u8655\uFF0C\u6B64\u8655\u6700\u5BB9\u6613\u6709\u6DB2\u9AD4\u77AC\u9593\u7684\u65B9\u5411\u6539\u8B8A\u767C\u751F\u3002\u7A7A\u8755\u73FE\u8C61\u901A\u5E38\u5206\u70BA\u5169\u7A2E\uFF1A\u6163\u6027\uFF08\u6216\u77AC\u614B\uFF09\u7A7A\u8755\u548C\u975E\u6163\u6027\u7A7A\u8755\u3002"@zh . . "Cavitation is a phenomenon in which the static pressure of a liquid reduces to below the liquid's vapour pressure, leading to the formation of small vapor-filled cavities in the liquid. When subjected to higher pressure, these cavities, called \"bubbles\" or \"voids\", collapse and can generate shock waves that may damage machinery. These shock waves are strong when they are very close to the imploded bubble, but rapidly weaken as they propagate away from the implosion."@en . . . . . . . . "\u0397 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7 \u03C3\u03C5\u03BC\u03B2\u03B1\u03AF\u03BD\u03B5\u03B9 \u03C3\u03C4\u03B1 \u03C5\u03B3\u03C1\u03AC \u03CC\u03C4\u03B1\u03BD \u03B7 \u03C0\u03AF\u03B5\u03C3\u03B7 \u03BC\u03AD\u03C3\u03B1 \u03C3\u03C4\u03BF\u03BD \u03BA\u03CD\u03BB\u03B9\u03BD\u03B4\u03C1\u03BF \u03C4\u03BF\u03C5 \u03BA\u03B9\u03BD\u03B7\u03C4\u03AE\u03C1\u03B1 \u03AE \u03C3\u03B5 \u03AD\u03BD\u03B1\u03BD \u03B1\u03B3\u03C9\u03B3\u03CC \u03B5\u03AF\u03BD\u03B1\u03B9 \u03BC\u03B9\u03BA\u03C1\u03CC\u03C4\u03B5\u03C1\u03B7 \u03B1\u03C0\u03CC \u03C4\u03B7\u03BD \u03C4\u03B1\u03BE\u03B9\u03BD\u03BF\u03BC\u03B7\u03BC\u03AD\u03BD\u03B7 \u03C0\u03AF\u03B5\u03C3\u03B7 \u03B2\u03C1\u03B1\u03C3\u03BC\u03BF\u03CD. \u0391\u03BD \u03B7 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7 \u03C3\u03C5\u03BC\u03B2\u03B1\u03AF\u03BD\u03B5\u03B9 \u03C0\u03AC\u03BD\u03C9 \u03C3\u03B5 \u03C3\u03C4\u03B5\u03C1\u03B5\u03AE \u03B5\u03C0\u03B9\u03C6\u03AC\u03BD\u03B5\u03B9\u03B1 \u03B3\u03B9\u03B1 \u03BC\u03B5\u03B3\u03AC\u03BB\u03BF \u03C7\u03C1\u03BF\u03BD\u03B9\u03BA\u03CC \u03B4\u03B9\u03AC\u03C3\u03C4\u03B7\u03BC\u03B1, \u03BC\u03C0\u03BF\u03C1\u03B5\u03AF \u03BD\u03B1 \u03BF\u03B4\u03B7\u03B3\u03AE\u03C3\u03B5\u03B9 \u03C3\u03B5 \u03BA\u03B1\u03C4\u03B1\u03C3\u03C4\u03C1\u03BF\u03C6\u03AE \u03C4\u03C9\u03BD \u03C4\u03BF\u03B9\u03C7\u03C9\u03BC\u03AC\u03C4\u03C9\u03BD \u03C4\u03BF\u03C5 \u03C5\u03BB\u03B9\u03BA\u03BF\u03CD. \u039F \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC\u03C2 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7\u03C2 \u03C3 \u03C0\u03B5\u03C1\u03B9\u03B3\u03C1\u03AC\u03C6\u03B5\u03B9 \u03C4\u03B7\u03BD \u03C4\u03AC\u03C3\u03B7 \u03B5\u03BD\u03CC\u03C2 \u03C5\u03B3\u03C1\u03BF\u03CD \u03BD\u03B1 \u03C0\u03C1\u03BF\u03BA\u03B1\u03BB\u03AD\u03C3\u03B5\u03B9 \u03C3\u03C0\u03B7\u03BB\u03B1\u03AF\u03C9\u03C3\u03B7."@el . . . . "ly"@en . . "\u30AD\u30E3\u30D3\u30C6\u30FC\u30B7\u30E7\u30F3\uFF08\u82F1: cavitation\uFF09\u306F\u3001\u6DB2\u4F53\u306E\u6D41\u308C\u306E\u4E2D\u3067\u5727\u529B\u5DEE\u306B\u3088\u308A\u77ED\u6642\u9593\u306B\u6CE1\u306E\u767A\u751F\u3068\u6D88\u6EC5\u304C\u8D77\u304D\u308B\u7269\u7406\u73FE\u8C61\u3067\u3042\u308B\u3002\u7A7A\u6D1E\u73FE\u8C61\u3068\u3082\u3044\u308F\u308C\u308B\u3002\u3053\u306E\u73FE\u8C61\u306F19\u4E16\u7D00\u672B\u306B\u3001\u9AD8\u901F\u8239\u7528\u306E\u30D7\u30ED\u30DA\u30E9\u304C\u3001\u4E88\u60F3\u3055\u308C\u305F\u6027\u80FD\u3092\u767A\u63EE\u3057\u306A\u304B\u3063\u305F\u3053\u3068\u304B\u3089\u767A\u898B\u3055\u308C\u305F\u3002\u30E2\u30F3\u30CF\u30CA\u30B7\u30E3\u30B3\u304C\u7372\u7269\u3092\u30D1\u30F3\u30C1\u3067\u653B\u6483\u3059\u308B\u6642\u306B\u3082\u8155\u306E\u5468\u308A\u306B\u767A\u751F\u3059\u308B\u3002"@ja . . "Foirm fiuchta \u00E1iti\u00FAil i leacht, ina dtarla\u00EDonn \u00EDslithe dr\u00E1mata tobanna br\u00FA a chuireann t\u00FAs le boilg\u00EDn\u00ED beaga g\u00E1is/gaile. Is f\u00E9idir go dtarl\u00F3idh cabh\u00E1n\u00FA ag c\u00FAlfhaobhar lann li\u00E1n loinge agus i leachtanna faoi fhuaimthonnta an-diana. Uaireanta d\u00E9anann an cabh\u00E1n\u00FA dam\u00E1iste suntasach don li\u00E1n loinge agus strucht\u00FAir eile."@ga . . . . . . . . . . . . . "La cavitation (du latin cavus, \u00AB trou \u00BB) est la naissance et l'oscillation radiale de bulles de gaz ou de vapeur dans un liquide soumis \u00E0 une d\u00E9pression. Si cette d\u00E9pression est suffisamment \u00E9lev\u00E9e, la pression peut devenir inf\u00E9rieure \u00E0 la pression de vapeur saturante, et une bulle de vapeur est susceptible de se former. Les origines de la d\u00E9pression sont de trois sortes : \n* due \u00E0 l'\u00E9coulement du fluide. \n* due \u00E0 une onde acoustique entra\u00EEnant des variations de la densit\u00E9 du liquide. \n* due \u00E0 une onde lumineuse entra\u00EEnant des variations de la densit\u00E9 du liquide."@fr . . . . "Kavitacio estas formi\u011Do de vaporbobelo en likva\u0135oj \u0109e malalta premo. La bolpunkto de likva\u0135o dependas de la premo. Ju pli alta estas la premo, des pli alta estas la bolpunkto (legu premmarmito) kaj male. \u0108e konvene malalta premo, la bolpunkto ekz. de la akvo tiel malalti\u011Das, ke \u011Di venas sub la akvotemperaturon. Tiam esti\u011Das spontanaj vaporvezikoj. Se la premo denove alti\u011Das, ili disfalas kun esti\u011Do de malla\u016Dta krako."@eo . . "Cavitatie is het verschijnsel dat in een turbulent bewegende vloeistof de plaatselijke druk lager wordt dan de dampdruk van de vloeistof. Waar water bij atmosferische druk pas bij 100\u00B0C gasvormig wordt, treedt dit bij lagere druk bij een lagere temperatuur op."@nl . . . . . . . "Kawitacja"@pl . . . . "Cavitation is a phenomenon in which the static pressure of a liquid reduces to below the liquid's vapour pressure, leading to the formation of small vapor-filled cavities in the liquid. When subjected to higher pressure, these cavities, called \"bubbles\" or \"voids\", collapse and can generate shock waves that may damage machinery. These shock waves are strong when they are very close to the imploded bubble, but rapidly weaken as they propagate away from the implosion. Cavitation is a significant cause of wear in some engineering contexts. Collapsing voids that implode near to a metal surface cause cyclic stress through repeated implosion. This results in surface fatigue of the metal causing a type of wear also called \"cavitation\". The most common examples of this kind of wear are to pump impellers, and bends where a sudden change in the direction of liquid occurs. Cavitation is usually divided into two classes of behavior: inertial (or transient) cavitation and non-inertial cavitation. The process in which a void or bubble in a liquid rapidly collapses, producing a shock wave, is called inertial cavitation. Inertial cavitation occurs in nature in the strikes of mantis shrimps and pistol shrimps, as well as in the vascular tissues of plants. In artificial objects, it can occur in control valves, pumps, propellers and impellers. Non-inertial cavitation is the process in which a bubble in a fluid is forced to oscillate in size or shape due to some form of energy input, such as an acoustic field. Such cavitation is often employed in ultrasonic cleaning baths and can also be observed in pumps, propellers, etc. Since the shock waves formed by collapse of the voids are strong enough to cause significant damage to parts, cavitation is typically an undesirable phenomenon in machinery (although desirable if intentionally used, for example, to sterilize contaminated surgical instruments, break down pollutants in water purification systems, emulsify tissue for cataract surgery or kidney stone lithotripsy, or homogenize fluids). It is very often specifically prevented in the design of machines such as turbines or propellers, and eliminating cavitation is a major field in the study of fluid dynamics. However, it is sometimes useful and does not cause damage when the bubbles collapse away from machinery, such as in supercavitation."@en . . . "Kavitation (lateinisch cavitare \u201Eaush\u00F6hlen\u201C) ist die Bildung und Aufl\u00F6sung von dampfgef\u00FCllten Hohlr\u00E4umen (Dampfblasen) in Fl\u00FCssigkeiten. Man unterscheidet zwei Grenzf\u00E4lle, zwischen denen es viele \u00DCbergangsformen gibt: Die Kavitationszahl beschreibt die Neigung einer Fl\u00FCssigkeit zur Kavitation."@de . . . . . . . . . . "Cavitaci\u00F3n"@es . . "Foirm fiuchta \u00E1iti\u00FAil i leacht, ina dtarla\u00EDonn \u00EDslithe dr\u00E1mata tobanna br\u00FA a chuireann t\u00FAs le boilg\u00EDn\u00ED beaga g\u00E1is/gaile. Is f\u00E9idir go dtarl\u00F3idh cabh\u00E1n\u00FA ag c\u00FAlfhaobhar lann li\u00E1n loinge agus i leachtanna faoi fhuaimthonnta an-diana. Uaireanta d\u00E9anann an cabh\u00E1n\u00FA dam\u00E1iste suntasach don li\u00E1n loinge agus strucht\u00FAir eile."@ga . . "\u041A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F"@ru . . . "\u041A\u0430\u0432\u0456\u0442\u0430\u0301\u0446\u0456\u044F (\u0432\u0456\u0434 \u043B\u0430\u0442. Cavitas \u2014 \u043F\u0443\u0441\u0442\u043E\u0442\u0430, \u043F\u043E\u0440\u043E\u0436\u043D\u0438\u043D\u0430) (\u0440\u043E\u0441. \u043A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F, \u0430\u043D\u0433\u043B. cavitation, \u043D\u0456\u043C. Blasenbildung f, Hohlsog m, Hohlraumbildung f) \u2014 \u0443\u0442\u0432\u043E\u0440\u0435\u043D\u043D\u044F \u0432\u0441\u0435\u0440\u0435\u0434\u0438\u043D\u0456 \u0440\u0456\u0434\u0438\u043D\u0438 \u043F\u043E\u0440\u043E\u0436\u043D\u0438\u043D, \u0437\u0430\u043F\u043E\u0432\u043D\u0435\u043D\u0438\u0445 \u0433\u0430\u0437\u043E\u043C, \u043F\u0430\u0440\u043E\u044E \u0430\u0431\u043E \u0457\u0445 \u0441\u0443\u043C\u0456\u0448\u0448\u044E (\u043A\u0430\u0432\u0456\u0442\u0430\u0446\u0456\u0439\u043D\u0438\u0445 \u0431\u0443\u043B\u044C\u0431\u0430\u0448\u043E\u043A), \u0442\u043E\u0431\u0442\u043E \u043F\u043E\u0440\u0443\u0448\u0435\u043D\u043D\u044F \u0441\u0443\u0446\u0456\u043B\u044C\u043D\u043E\u0441\u0442\u0456 \u0440\u0456\u0434\u0438\u043D\u0438."@uk . . . . . . . "Cavitation"@fr . "Kavitacio estas formi\u011Do de vaporbobelo en likva\u0135oj \u0109e malalta premo. La bolpunkto de likva\u0135o dependas de la premo. Ju pli alta estas la premo, des pli alta estas la bolpunkto (legu premmarmito) kaj male. \u0108e konvene malalta premo, la bolpunkto ekz. de la akvo tiel malalti\u011Das, ke \u011Di venas sub la akvotemperaturon. Tiam esti\u011Das spontanaj vaporvezikoj. Se la premo denove alti\u011Das, ili disfalas kun esti\u011Do de malla\u016Dta krako."@eo . . . . . "\uACF5\uB3D9\uD604\uC0C1 \uB610\uB294 \uCE90\uBE44\uD14C\uC774\uC158(cavitation)\uC774\uB780 \uC720\uCCB4\uC758 \uC18D\uB3C4 \uBCC0\uD654\uC5D0 \uC758\uD55C \uC555\uB825\uBCC0\uD654\uB85C\uC778\uD574 \uC720\uCCB4 \uB0B4\uC5D0 \uACF5\uB3D9\uC774 \uC0DD\uAE30\uB294 \uD604\uC0C1\uC744 \uB9D0\uD558\uBA70 \uACF5\uB3D9\uD604\uC0C1\uC774\uB77C\uACE0\uB3C4 \uD55C\uB2E4. \uACF5\uB3D9\uD604\uC0C1\uC740 \uBE60\uB978 \uC18D\uB3C4\uB85C \uC561\uCCB4\uAC00 \uC6B4\uB3D9\uD560 \uB54C \uC561\uCCB4\uC758 \uC555\uB825\uC774 \uC99D\uAE30\uC555 \uC774\uD558\uB85C \uB0AE\uC544\uC838\uC11C \uC561\uCCB4 \uB0B4\uC5D0 \uC99D\uAE30 \uAE30\uD3EC\uAC00 \uBC1C\uC0DD\uD558\uB294 \uD604\uC0C1\uC774\uB2E4. \uC99D\uAE30 \uAE30\uD3EC\uAC00 \uBCBD\uC5D0 \uB2FF\uC73C\uBA74 \uBD80\uC2DD\uC774\uB098 \uC18C\uC74C \uB4F1\uC774 \uBC1C\uC0DD\uD558\uBBC0\uB85C \uC124\uACC4\uC790\uB294 \uACF5\uB3D9\uD604\uC0C1\uC744 \uD53C\uD558\uB3C4\uB85D \uC124\uACC4\uD574\uC57C \uD55C\uB2E4. \uACF5\uB3D9\uD604\uC0C1\uC774\uB780 \uBB38\uC790 \uADF8\uB300\uB85C \uC774\uD574\uD558\uBA74 \uBB3C\uC18D\uC5D0 \uBE48\uACF3(\uACF5\uB3D9, cavity)\uC774 \uC0DD\uAE34\uB2E4\uB294 \uB73B\uC774\uB2E4. \uC774\uB807\uAC8C \uBD80\uB974\uB294 \uAC83\uC740 \uBB3C\uACFC \uC218\uC99D\uAE30\uC758 \uBC00\uB3C4\uC758 \uBE44\uAC00 \uC57D 1000:1\uC778 \uAC83\uC744 \uAC10\uC548\uD560 \uB54C \uACF5\uB3D9\uC758 \uB0B4\uBD80\uB294 \uC5ED\uD559\uC801 \uAD00\uC810\uC5D0\uC11C \uC0C1\uB300\uC801\uC73C\uB85C \uBE48\uACF3\uC774\uB77C\uACE0 \uBD80\uB97C \uC218 \uC788\uAE30 \uB54C\uBB38\uC774\uB2E4. \uC815\uC0C1\uC0C1\uD0DC\uC5D0\uC11C \uBC1B\uC74C\uAC01 (angle of attack) \u03B1\uB85C \uC804\uC9C4\uD558\uB294 \uC218\uC911\uC775 \uC8FC\uC704\uC758 \uC720\uC120\uC5D0 \uB300\uD558\uC5EC \uBCA0\uB974\uB204\uC774 \uBC29\uC815\uC2DD\uC744 \uC4F0\uBA74, \uAC00 \uB41C\uB2E4. \uB530\uB77C\uC11C \uC218\uC911\uC775\uC758 \uD45C\uBA74\uC5D0\uC11C\uB294 \uC18D\uB3C4 V\uAC00 \uC99D\uAC00\uD558\uBA74 \uC555\uB825 P\uAC00 \uAC10\uC18C\uD558\uAC8C \uB418\uBA70, \uC18D\uB3C4 V\uAC00 \uACC4\uC18D \uC99D\uAC00\uD558\uBA74 \uC555\uB825 P\uAC00 \uD3EC\uD654\uC99D\uAE30\uC555 P_v\uC774\uD558\uB85C \uB0B4\uB824\uAC00\uAC8C \uB418\uACE0 \uACF5\uB3D9\uD604\uC0C1\uC774 \uBC1C\uC0DD\uD558\uAC8C \uB418\uB294 \uAC83\uC774\uB2E4. \uD3EC\uD654\uC99D\uAE30\uC555 P_v\uC758 \uAC12\uC740 \uC628\uB3C4\uC5D0 \uB530\uB77C \uC57D\uAC04\uC529 \uBCC0\uD558\uB098 15\u00B0C\uC5D0\uC11C 1.7kPa \uC815\uB3C4\uC774\uB2E4. \uD55C\uD3B8 \uB300\uAE30\uC555\uC740 \uD45C\uC900\uC0C1\uD0DC\uC5D0\uC11C 101.3kPa\uAC00 \uB41C\uB2E4. \uACF5\uB3D9\uC740 \uC720\uCCB4\uC758 \uC18D\uB3C4\uAC00 \uBE68\uB77C\uC9C0\uBA74 \uAD00\uB0B4\uC758 \uC555\uB825\uC774 \uB0AE\uC544\uC9C0\uACE0 \uC720\uCCB4\uC758 \uC555\uB825\uC774 \uD3EC\uD654 \uC218\uC99D\uAE30\uC555 \uC774\uD558\uB85C \uB0AE\uC544\uC9C0\uAC8C\uB418\uC5B4 \uC561\uCCB4\uAC00 \uAE30\uCCB4\uB85C \uBC14\uB00C\uAE30 \uB54C\uBB38\uC5D0 \uBC1C\uC0DD\uD55C\uB2E4. \uC774 \uD604\uC0C1\uC740 \uAD00\uB0B4 \uC720\uB85C\uC758 \uC9C1\uACBD\uC774 \uBC14\uB00C\uB294 \uB178\uC990\uC5D0\uC11C \uC2E4\uD5D8\uC801\uC73C\uB85C \uC27D\uAC8C \uD655\uC778\uD560 \uC218 \uC788\uB2E4. \uADF8\uB7F0\uB370 \uC720\uCCB4\uC758 \uC18D\uB3C4\uAC00 \uBE68\uB77C\uC9D0\uC73C\uB85C \uC778\uD574 \uBC1C\uC0DD\uD55C \uAE30\uD3EC\uAC00 \uB2E4\uC2DC \uC720\uCCB4\uC758 \uC555\uB825\uC774 \uD3EC\uD654\uC218\uC99D\uAE30\uC555\uBCF4\uB2E4 \uB192\uC544\uC9C8 \uACBD\uC6B0 \uAE09\uACA9\uD788 \uC561\uCCB4\uB85C \uBCC0\uD558\uAC8C \uB418\uB294\uB370, \uADF8\uB85C \uC778\uD574 \uB192\uC544\uC9C4 \uC555\uB825\uC5D0 \uC758\uD574 \uBC30\uC758 \uD504\uB85C\uD3A0\uB7EC\uB098 \uD38C\uD504\uC758 \uC784\uD3A0\uB7EC \uB4F1\uC5D0 \uCDA9\uACA9\uC744 \uC8FC\uBA70 \uC18C\uC74C\uACFC \uC9C4\uB3D9 \uBC0F \uB9C8\uBAA8 \uD604\uC0C1\uC744 \uC57C\uAE30\uD55C\uB2E4. \uC774\uB7EC\uD55C \uD604\uC0C1\uC744 \uCE90\uBE44\uD14C\uC774\uC158 \uBD80\uC2DD(Cavitation Corrosion) \uB610\uB294 \uCE90\uBE44\uD14C\uC774\uC158 \uC190\uC0C1(Cavitation damage)\uC774\uB77C\uACE0\uB3C4 \uD55C\uB2E4."@ko . . . . . . "2017-06-10"^^ . . . "\u7A7A\u7A74\u73FE\u8C61"@zh . . . . . "Cavita\u00E7\u00E3o"@pt . . . . . . "\u041A\u0430\u0432\u0438\u0442\u0430\u0301\u0446\u0438\u044F (\u043E\u0442 \u043B\u0430\u0442. cavitas \u2014 \u043F\u0443\u0441\u0442\u043E\u0442\u0430) \u2014 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043A\u0438\u0439 \u043F\u0440\u043E\u0446\u0435\u0441\u0441 \u043E\u0431\u0440\u0430\u0437\u043E\u0432\u0430\u043D\u0438\u044F \u043F\u0443\u0437\u044B\u0440\u044C\u043A\u043E\u0432 (\u043F\u0443\u0441\u0442\u043E\u0442) \u0432 \u0436\u0438\u0434\u043A\u0438\u0445 \u0441\u0440\u0435\u0434\u0430\u0445, \u0441 \u043F\u043E\u0441\u043B\u0435\u0434\u0443\u044E\u0449\u0438\u043C \u0438\u0445 \u0441\u0445\u043B\u043E\u043F\u044B\u0432\u0430\u043D\u0438\u0435\u043C \u0438 \u0432\u044B\u0441\u0432\u043E\u0431\u043E\u0436\u0434\u0435\u043D\u0438\u0435\u043C \u0431\u043E\u043B\u044C\u0448\u043E\u0433\u043E \u043A\u043E\u043B\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u044D\u043D\u0435\u0440\u0433\u0438\u0438, \u043A\u043E\u0442\u043E\u0440\u043E\u0435 \u0441\u043E\u043F\u0440\u043E\u0432\u043E\u0436\u0434\u0430\u0435\u0442\u0441\u044F \u0448\u0443\u043C\u043E\u043C \u0438 \u0433\u0438\u0434\u0440\u0430\u0432\u043B\u0438\u0447\u0435\u0441\u043A\u0438\u043C\u0438 \u0443\u0434\u0430\u0440\u0430\u043C\u0438. \u041A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u043E\u043D\u043D\u044B\u0435 \u043F\u0443\u0437\u044B\u0440\u044C\u043A\u0438 \u043C\u043E\u0433\u0443\u0442 \u0441\u043E\u0434\u0435\u0440\u0436\u0430\u0442\u044C \u0440\u0430\u0437\u0440\u0435\u0436\u0435\u043D\u043D\u044B\u0439 \u043F\u0430\u0440. \u041A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F \u0432\u043E\u0437\u043D\u0438\u043A\u0430\u0435\u0442 \u0432 \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u0435 \u043C\u0435\u0441\u0442\u043D\u043E\u0433\u043E \u043F\u043E\u043D\u0438\u0436\u0435\u043D\u0438\u044F \u0434\u0430\u0432\u043B\u0435\u043D\u0438\u044F \u0432 \u0436\u0438\u0434\u043A\u043E\u0441\u0442\u0438, \u043A\u043E\u0442\u043E\u0440\u043E\u0435 \u043C\u043E\u0436\u0435\u0442 \u043F\u0440\u043E\u0438\u0441\u0445\u043E\u0434\u0438\u0442\u044C \u043B\u0438\u0431\u043E \u043F\u0440\u0438 \u0443\u0432\u0435\u043B\u0438\u0447\u0435\u043D\u0438\u0438 \u0435\u0451 \u0441\u043A\u043E\u0440\u043E\u0441\u0442\u0438, \u043D\u0430\u043F\u0440\u0438\u043C\u0435\u0440 \u0437\u0430 \u0433\u0440\u0435\u0431\u043D\u044B\u043C \u0432\u0438\u043D\u0442\u043E\u043C \u0441\u0443\u0434\u043D\u0430 (\u0433\u0438\u0434\u0440\u043E\u0434\u0438\u043D\u0430\u043C\u0438\u0447\u0435\u0441\u043A\u0430\u044F \u043A\u0430\u0432\u0438\u0442\u0430\u0446\u0438\u044F), \u043B\u0438\u0431\u043E \u043F\u0440\u0438 \u043F\u0440\u043E\u0445\u043E\u0436\u0434\u0435\u043D\u0438\u0438 \u0430\u043A\u0443\u0441\u0442\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0432\u043E\u043B\u043D\u044B \u0431\u043E\u043B\u044C\u0448\u043E\u0439 \u0438\u043D\u0442\u0435\u043D\u0441\u0438\u0432\u043D\u043E\u0441\u0442\u0438 \u0432\u043E \u0432\u0440\u0435\u043C\u044F \u043F\u043E\u043B\u0443\u043F\u0435\u0440\u0438\u043E\u0434\u0430 \u0440\u0430\u0437\u0440\u0435\u0436\u0435\u043D\u0438\u044F. \u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044E\u0442 \u0438 \u0434\u0440\u0443\u0433\u0438\u0435 \u043F\u0440\u0438\u0447\u0438\u043D\u044B \u0432\u043E\u0437\u043D\u0438\u043A\u043D\u043E\u0432\u0435\u043D\u0438\u044F \u044D\u0444\u0444\u0435\u043A\u0442\u0430 \u0432 \u0440\u0435\u0437\u0443\u043B\u044C\u0442\u0430\u0442\u0435 \u0432\u043D\u0435\u0448\u043D\u0438\u0445 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043A\u0438\u0445 \u0432\u043E\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0439. \u041F\u0435\u0440\u0435\u043C\u0435\u0449\u0430\u044F\u0441\u044C \u0441 \u043F\u043E\u0442\u043E\u043A\u043E\u043C \u0432 \u043E\u0431\u043B\u0430\u0441\u0442\u044C \u0441 \u0431\u043E\u043B\u0435\u0435 \u0432\u044B\u0441\u043E\u043A\u0438\u043C \u0434\u0430\u0432\u043B\u0435\u043D\u0438\u0435\u043C \u0438\u043B\u0438 \u0432\u043E 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"Cavitatie is het verschijnsel dat in een turbulent bewegende vloeistof de plaatselijke druk lager wordt dan de dampdruk van de vloeistof. Waar water bij atmosferische druk pas bij 100\u00B0C gasvormig wordt, treedt dit bij lagere druk bij een lagere temperatuur op."@nl . . . .