Abstract
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.
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References
D. Petrac, U.E. Israelsson, D. Otth, L.L. Simmons, J. Staats, and A. Thompson, “Technical Challenges Involved in Supporting the Lambda Point Experiment,” Cryogenics, 30, September supplement (1990).
D. Petrac, U.E. Israelsson, and T.S. Luchik, “The Lambda Point Experiment: Helium Cryostat, Cryo-Servicing, Functions and Performance,” Advances in Cryogenic Engineering, 38, (1993).
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© 1996 Plenum Press, New York
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Luchik, T.S., Israelsson, U.E., Petrac, D., Elliott, S. (1996). Performance Improvement of the CHeX Flight Cryostat. In: Kittel, P. (eds) Advances in Cryogenic Engineering. A Cryogenic Engineering Conference Publication, vol 41. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0373-2_144
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DOI: https://doi.org/10.1007/978-1-4613-0373-2_144
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-8022-1
Online ISBN: 978-1-4613-0373-2
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