The Siemens cycle is a technique used to cool or liquefy gases. A gas is compressed, leading to an increase in its temperature due to the directly proportional relationship between temperature and pressure (as stated by Gay-Lussac's law). The compressed gas is then cooled by a heat exchanger and decompressed, resulting in a (possibly condensed) gas that is colder than the original at the same pressure. Carl Wilhelm Siemens patented the Siemens cycle in 1857. In the Siemens cycle the gas is: The gas which is now at its coolest in the current cycle, is recycled and sent back to be –
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| - دورة سيمنز (ar)
- Siemens-Kreisprozess (de)
- Cycle de Siemens (fr)
- Siemenscyclus (nl)
- Siemens cycle (en)
- Ciclo Siemens (pt)
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| - دورة سيمنز هي طريقة لتسييل الغازات، حيث يتم ضغ الغاز مما يؤدي إلي ارتفاع في درجة الحرارة تبعًا لقانون جاي-لوساك من حيث العلاقة بين الضغط ودرجة الحرارة. ثم بعد ذلك يتم تبريدالغاز المضغوط باستخدام مبادل حراري ثم يتم السماح للغاز المضعوط بعد ذلك بأن يتمدد ثم يتم تبريده أكثر (تبعًا لعلاقة جاي-لوساك]]، هذا يُنتج غاز أو غاز سائل بدرجة حرارة أقل بكثير من مثيلتها وعند نفس الضغط. (ar)
- Le Cycle de Siemens est une technique utilisée pour refroidir ou liquéfier des gaz. (fr)
- De siemenscyclus is een techniek die gebruikt wordt om gassen af te koelen of vloeibaar te maken. (nl)
- O Ciclo Siemens é uma técnica usada na refrigeração ou pela liquificação de gases.. Um gás é comprimido, conduzido pelo aumento da temperatura (pela Lei Gay-Lussac). A compressão do gás refriado pela troca de calor, é este frio, pela descompressão dos gases, resfriando-o ainda mais (novamente pela lei de Gay-Lussac). Este resultado de um gás (ou gás liquifeito) que está mais frio do que a temperatura original e na mesma pressão. Carl Wilhelm Siemens patentiou o ciclo Siemens em 1857. (pt)
- Der Siemens-Kreisprozess ist eine Technik zum Kühlen oder Verflüssigen von Gasen. Ein Gas wird komprimiert, was zu einer Temperaturerhöhung entsprechend dem Gesetz von Gay-Lussac führt. Das so komprimierte Gas wird anschließend in einem Wärmeübertrager heruntergekühlt. Daraufhin wird das komprimierte, auf Umgebungstemperatur heruntergekühlte Gas expandiert, was eine Temperaturabsenkung hervorruft, wiederum entsprechend dem Gesetz von Gay-Lussac. Das Ergebnis ist ein Gas (oder Flüssiggas), das kälter ist als der Ausgangszustand und unter dem gleichen Druck wie im Ausgangszustand stehen kann. (de)
- The Siemens cycle is a technique used to cool or liquefy gases. A gas is compressed, leading to an increase in its temperature due to the directly proportional relationship between temperature and pressure (as stated by Gay-Lussac's law). The compressed gas is then cooled by a heat exchanger and decompressed, resulting in a (possibly condensed) gas that is colder than the original at the same pressure. Carl Wilhelm Siemens patented the Siemens cycle in 1857. In the Siemens cycle the gas is: The gas which is now at its coolest in the current cycle, is recycled and sent back to be – (en)
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| - دورة سيمنز هي طريقة لتسييل الغازات، حيث يتم ضغ الغاز مما يؤدي إلي ارتفاع في درجة الحرارة تبعًا لقانون جاي-لوساك من حيث العلاقة بين الضغط ودرجة الحرارة. ثم بعد ذلك يتم تبريدالغاز المضغوط باستخدام مبادل حراري ثم يتم السماح للغاز المضعوط بعد ذلك بأن يتمدد ثم يتم تبريده أكثر (تبعًا لعلاقة جاي-لوساك]]، هذا يُنتج غاز أو غاز سائل بدرجة حرارة أقل بكثير من مثيلتها وعند نفس الضغط. (ar)
- Der Siemens-Kreisprozess ist eine Technik zum Kühlen oder Verflüssigen von Gasen. Ein Gas wird komprimiert, was zu einer Temperaturerhöhung entsprechend dem Gesetz von Gay-Lussac führt. Das so komprimierte Gas wird anschließend in einem Wärmeübertrager heruntergekühlt. Daraufhin wird das komprimierte, auf Umgebungstemperatur heruntergekühlte Gas expandiert, was eine Temperaturabsenkung hervorruft, wiederum entsprechend dem Gesetz von Gay-Lussac. Das Ergebnis ist ein Gas (oder Flüssiggas), das kälter ist als der Ausgangszustand und unter dem gleichen Druck wie im Ausgangszustand stehen kann. Carl Wilhelm Siemens ließ sich den Siemens-Prozess 1857 patentieren. (de)
- The Siemens cycle is a technique used to cool or liquefy gases. A gas is compressed, leading to an increase in its temperature due to the directly proportional relationship between temperature and pressure (as stated by Gay-Lussac's law). The compressed gas is then cooled by a heat exchanger and decompressed, resulting in a (possibly condensed) gas that is colder than the original at the same pressure. Carl Wilhelm Siemens patented the Siemens cycle in 1857. In the Siemens cycle the gas is: 1. Heated – by compressing the gas – adding external energy into the gas, to give it what is needed for running through the cycle2. Cooled – by immersing the gas in a cooler environment, losing some of its heat (and energy)3. Cooled through heat exchanger with returning gas from next (and last stage)4. Cooled further by expanding the gas and doing work, removing heat (and energy) The gas which is now at its coolest in the current cycle, is recycled and sent back to be – 5. Heated – when participating as the coolant for stage 3, and then6. Resent to stage one, to start the next cycle, and be slightly reheated by compression. In each cycle the net cooling is more than the heat added at the beginning of the cycle. As the gas passes more cycles and becomes cooler, reaching lower temperatures at the expanding cylinder (stage 4 of the Siemens cycle) becomes more difficult. (en)
- Le Cycle de Siemens est une technique utilisée pour refroidir ou liquéfier des gaz. (fr)
- De siemenscyclus is een techniek die gebruikt wordt om gassen af te koelen of vloeibaar te maken. (nl)
- O Ciclo Siemens é uma técnica usada na refrigeração ou pela liquificação de gases.. Um gás é comprimido, conduzido pelo aumento da temperatura (pela Lei Gay-Lussac). A compressão do gás refriado pela troca de calor, é este frio, pela descompressão dos gases, resfriando-o ainda mais (novamente pela lei de Gay-Lussac). Este resultado de um gás (ou gás liquifeito) que está mais frio do que a temperatura original e na mesma pressão. Carl Wilhelm Siemens patentiou o ciclo Siemens em 1857. (pt)
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