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Space Station Freedom Flow-Through Radiator Testing and Analysis
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English
Abstract
The National Aeronautics and Space Administration (NASA) Space Station Freedom (SSF) will use Flow-Through Radiators (FTRs) to reject waste heat that is collected from the on-board Heat Acquisition Devices (HADs). The waste heat is sent to the FTRs via the Pump Module Assembly (PMA) subsystem of the External Active Thermal Control System (EATCS). Two developmental FTR panels were integrated with the EATCS Ground Test Article (GTA). The integrated components were investigated under a thermal/vacuum environment in Thermal/Vacuum Chamber A at NASA/JSC during June, 1992.
A detailed SINDA/FLUINT FTR model was developed to predict the steady-state thermal/hydraulic performance of the FTRs. A simplified SINDA/FLUINT FTR model was also developed for use in the GTA integrated model. Schematics and plots comparing the test data and model results are presented for both steady-state and transient conditions.
Citation
Augustine, J. and Mai, T., "Space Station Freedom Flow-Through Radiator Testing and Analysis," SAE Technical Paper 932230, 1993, https://doi.org/10.4271/932230.Also In
References
- Raetz J. Dominick J. “Space Station External Thermal Control System Design and Operational Overview,” SAE 921106 22nd International Conference on Environmental Systems Seattle, WA July, 1992
- “SINDA/FLUINT User's Manual” Martin Marietta Corporation Denver, CO MCR-90-512, Version 2.5
- Augustine J.R. Fussell J.V. “Two-Phase Ammonia Pressure Drop Test Final Report,” NASA/JSC/CTSD-SS-521 November 11 1992
- Ungar E.K. Cornwell J.D. “Two-Phase Pressure Drop of Ammonia in Small Diameter Horizontal Tubes,” AIAA 92-3891 AIAA 17th Aerospace Ground Testing Conference Nashville, TN July, 1992
- Augustine J.R. Mai T.D. “Summary of the GTA Phase II Thermal/Vacuum Test Pretest Predictions,” MDSSC A96-J749-JRA-9200218 June 4 1992
- Augustine J.R. “Comparison of the Ground Test Article Phase II Thermal/Vacuum Test Data with the Ground Test Article Phase II Integrated Thermal Math Model Results,” MDSSC A96-J749-JRA-M-9200426 December 14 1992
- Sifuentes R. “Ground Test Article, Flow-Through Radiator, and Rotary Fluid Coupler Ambient and Thermal/Vacuum Test Phase II Final Report,” NASA/JSC/CTSD-SS-593 December 30 1992