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The Zero Gravity Research Facility at the NASA Glenn Research Center in Cleveland, Ohio is a unique facility designed to perform tests in a reduced gravity environment. It has successfully supported research for the United States crewed spacecraft programs and numerous uncrewed projects. The facility uses vertical drop tests in a vacuum chamber to investigate the behavior of components, systems, liquids, gases, and combustion in such circumstances.

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  • Zero Gravity Research Facility (en)
  • 零重力研究设施 (zh)
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  • 零重力研究设施（英語：Zero Gravity Research Facility），是美国国家航空航天局（NASA）研究无重力或者微重力的最基础设施，这是世界上最大的零重力研究设施，它可以为研究人员提供5.18秒的失重环境。 零重力设施位于俄亥俄州布鲁克公园城的美国国家航空航天局（NASA）的两座落地塔之一内。这个设施建于20世纪60年代的太空竞赛时期，并且从1966年一直运行至今。这一设施可以为研究人员提供长达5.18秒的微重力环境（微重力是相对接近失重状态的环境）。整个实验过程（自由落体）发生在一个长达142米的钢制真空腔室内，该腔室直径为6.1米，位于8.7米直径的混凝土衬砌竖井内，该竖井延伸到地面以下155米。并且使用5级真空泵将腔室内的压力降低到0.05托（760托=标准大气压）的压力。在真空环境下可将自由下落的实验物体的空气动力学阻力降低至0.00001g以下。 (zh)
  • The Zero Gravity Research Facility at the NASA Glenn Research Center in Cleveland, Ohio is a unique facility designed to perform tests in a reduced gravity environment. It has successfully supported research for the United States crewed spacecraft programs and numerous uncrewed projects. The facility uses vertical drop tests in a vacuum chamber to investigate the behavior of components, systems, liquids, gases, and combustion in such circumstances. (en)
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  • Zero Gravity Research Facility (en)
name
  • Zero Gravity Research Facility (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Zero_Gravity_Facility_-_GPN-2000-001454.jpg
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  • NASA (en)
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  • United States Cleveland#Ohio#USA (en)
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  • 41.41222222222222 -81.86416666666666
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  • The Zero Gravity Research Facility at the NASA Glenn Research Center in Cleveland, Ohio is a unique facility designed to perform tests in a reduced gravity environment. It has successfully supported research for the United States crewed spacecraft programs and numerous uncrewed projects. The facility uses vertical drop tests in a vacuum chamber to investigate the behavior of components, systems, liquids, gases, and combustion in such circumstances. The facility consists of a concrete-lined shaft, 28 feet (8.5 m) in diameter, that extends 510 feet (160 m) below ground level. A steel vacuum chamber, 20 feet (6.1 m) in diameter and 470 feet (140 m) high, is contained within the concrete shaft. The pressure in this vacuum chamber is reduced to 13.3 pascals (1.3×10−4 atm) before use. Test equipment is typically mounted in a cylindrical container, and has a maximum weight of 2,500 pounds (1,100 kg). Equipment dropped in the chamber experiences microgravity for about 5.15 seconds before landing in a deceleration cart filled with expanded styrofoam beads; it typically experiences 32g during deceleration, but may range up to 65g. The service building at the top of the shaft contains a shop area, control room, and a clean room. Assembly, servicing, and balancing of the experiment vehicle are accomplished in the shop area. Tests are conducted from the control room, which contains controls for the "pump down" of the vacuum chamber, the experiment vehicle pre-drop checkout, release and the data retrieval system. (en)
  • 零重力研究设施（英語：Zero Gravity Research Facility），是美国国家航空航天局（NASA）研究无重力或者微重力的最基础设施，这是世界上最大的零重力研究设施，它可以为研究人员提供5.18秒的失重环境。 零重力设施位于俄亥俄州布鲁克公园城的美国国家航空航天局（NASA）的两座落地塔之一内。这个设施建于20世纪60年代的太空竞赛时期，并且从1966年一直运行至今。这一设施可以为研究人员提供长达5.18秒的微重力环境（微重力是相对接近失重状态的环境）。整个实验过程（自由落体）发生在一个长达142米的钢制真空腔室内，该腔室直径为6.1米，位于8.7米直径的混凝土衬砌竖井内，该竖井延伸到地面以下155米。并且使用5级真空泵将腔室内的压力降低到0.05托（760托=标准大气压）的压力。在真空环境下可将自由下落的实验物体的空气动力学阻力降低至0.00001g以下。 (zh)
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  • 85002801
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  • POINT(-81.864166259766 41.412223815918)
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