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This is a vacuum chamber built by NASA in 1969. It stands 122 feet (37 m) high and 100 feet (30 m) in diameter, enclosing a bullet-shaped space. It is the world's largest thermal vacuum chamber. It was originally commissioned for nuclear-electric power studies under vacuum conditions, but was later decommissioned.
A thermal vacuum test chamber, with its door open, at NASA's Johnson Space Center. A thermal vacuum chamber ( TVAC ) is a vacuum chamber in which the radiative thermal environment is controlled. Typically the thermal environment is achieved by passing liquids or fluids through thermal shrouds for cold temperatures or through the application of ...
As of 2013, it is the largest high-vacuum, cryogenic-optical test chamber in the world, 55 feet (17 m) in diameter by 90 feet (27 m) tall. It is equipped with a gaseous helium shroud capable of lowering temperatures to 11 K (−439.9 °F; −262.1 °C).
A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low- pressure environment within the chamber, commonly referred to as a vacuum . A vacuum environment allows researchers to conduct physical experiments or to test mechanical devices which must operate in outer space (for example ...
Space Environment Simulation Laboratory; two very large thermal-vacuum chambers for testing flight hardware, designated as a National Historic Landmark: 1966 [6] 33 Space Environment Simulation Test Facility with several small thermal-vacuum chambers for testing flight hardware 1966 [6] 34 35
The facility consists of a 7-foot-diameter by 21-foot-long chamber containing a full gaseous helium thermal shroud. The chamber is surrounded by a Class 100 Clean Room with an adjoining Class 1000 build-up area. The 7V chamber can be conditioned from atmospheric pressure to 10 −7 torr. [1]
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