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GASEOUS HELIUM SHROUD [1 record]

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Record 1 2009-02-10

English

Subject field(s)
  • Space Exploration Equipment and Tools
CONT

This thermal vacuum chamber is used for testing of spacecraft subsystems and components... Gaseous helium shroud(horizontal cylinder) : for deep cryogenic(20 K nominal) applications fits within liquid nitrogen shroud [;] working volume : 1. 8 m diameter x 1. 8 m deep(6 x 6 ft) [;] cooling capacity : 400 W [;] temperature : two controllable setpoints of 100 K(-173 degrees C/-280 degrees F) and 20 K(-253 degrees C/-424 degrees F) [;] equipped with four translational shutters to enable the unit under test to have a short term view factor of the outside environment.

French

Domaine(s)
  • Équipement et outillage d'exploration spatiale
CONT

Caisson TV3 (2,5x2,5). Ce caisson de vide thermique est utilisé pour mettre à l'essai divers éléments et sous-systèmes d'engins spatiaux. [...] Coiffe d'hélium gazeux (cylindre horizontal) : pour les applications de cryogénie poussée (température nominale de 20 K) [;] s'insère à l'intérieur de la coiffe d'azote liquide [;] volume utile : 1,8 m de diamètre x 1,8 m de haut (6 pi x 6 pi) [;] capacité de refroidissement : 400 W [;] température : deux réglages prédéterminés de 100 degrés Kelvin (-173 °C /-280 °F) et de 20 degrés Kelvin (-253 °C/-424 °F) [;] caisson doté de quatre volets coulissants afin de permettre à l'unité testée d'obtenir un facteur de forme à court terme de l'environnement extérieur.

Spanish

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