Performance Improvement of the CHeX Flight Cryostat

Autor: Steve Elliott, Ulf E. Israelsson, T. S. Luchik, D. Petrac
Rok vydání: 1996
Předmět:
Zdroj: A Cryogenic Engineering Conference Publication ISBN: 9781461380221
DOI: 10.1007/978-1-4613-0373-2_144
Popis: The JPL flight cryostat last flew on the Space Shuttle in October, 1992 in support of the Lambda Point Experiment. A new experiment, the Confined Helium Experiment (CHeX), now in development will reuse this cryostat. An improvement to the cryostat performance was necessitated by the CHeX experiment having a longer mission requirement and stricter requirements imposed by NASA with respect to a launch-scrub turnaround scenario. The parasitic heat load reduction necessary to relieve both constraints was about 15% or 1 liter/day. The techniques implemented to achieve this goal, and subsequent results are presented along with a thermal model used during the analysis of the cryostat.
Databáze: OpenAIRE