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Use of the Long Duration Exposure Facility's thermal measurement system for the verification of thermal modelsThe Long Duration Exposure Facility (LDEF) postflight thermal model predicted temperatures were matched to flight temperature data recorded by the Thermal Measurement System (THERM), LDEF experiment P0003. Flight temperatures, recorded at intervals of approximately 112 minutes for the first 390 days of LDEF's 2105 day mission were compared with predictions using the thermal mathematical model (TMM). This model was unverified prior to flight. The postflight analysis has reduced the thermal model uncertainty at the temperature sensor locations from +/- 40 F to +/- 18 F. The improved temperature predictions will be used by the LDEF's principal investigators to calculate improved flight temperatures experienced by 57 experiments located on 86 trays of the facility.
Document ID
19920014041
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Berrios, William M. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1992
Publication Information
Publication: LDEF: 69 Months in Space. First Post-Retrieval Symposium, Part 1
Subject Category
Spacecraft Instrumentation
Accession Number
92N23284
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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