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Preliminary design study of astronomical detector cooling systemThe preliminary design of an astronomical detector cooling system for possible use in the NASA C-141 Airborne Infrared Observatory is presented. The system consists of the following elements: supercritical helium tank, Joule-Thomson supply gas conditioner, Joule-Thomson expander (JTX), optical cavity dewar, optical cavity temperature controller, adjustable J-T discharge gas pressure controller, and vacuum pump.
Document ID
19770017080
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Norman, R. H. (AiResearch Mfg. Co. Los Angeles, CA, United States)
Date Acquired
September 3, 2013
Publication Date
November 17, 1976
Subject Category
Astronomy
Report/Patent Number
NASA-CR-151979
Report Number: NASA-CR-151979
Accession Number
77N24024
Funding Number(s)
CONTRACT_GRANT: NAS2-8984
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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