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Two-Phase Thermal Control System Modelling Using SINDA'85/FLUINT
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English
Abstract
Simultaneous thermal and hydraulic analysis has been completed using SINDA'85/FLUINT for a two-phase ammonia thermal control system proposed for Space Station Freedom Attached Payload Accommodation Equipment (APAE). This analysis provided information on system performance, transient behavior during heat load changes, and control system response. Control system logic and non-equilibrium effects were included in the model. This paper describes the hardware used in this thermal control system and the modelling techniques used to represent it. A brief comparison of the predicted system performance with test results from ground testing of similar systems at NASA Johnson Space Center is also provided.
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Citation
Schmidt, R., "Two-Phase Thermal Control System Modelling Using SINDA'85/FLUINT," SAE Technical Paper 911590, 1991, https://doi.org/10.4271/911590.Also In
References
- “Thermal Control Systems for Space Station,” Grumman Space Systems Corp. April 1989
- Kalb, C. Brown, R. “Development of a Two-Phased Accumulator for a Space-Based Ammonia Thermal Bus” SAE- 891567
- “SINDA'85/FLUINT - Systems Improved Differencing Analyzer and Fluid Integrator User's Manual” October 1990
- Fussell J. et al “Lockheed Missile and Space Company (LMSC) Ground Test Unit (GTU) Prototype Thermal Bus Ambient Test (PTBAT) Requirements Document,” Johnson Space Center Report #23322, CSTD-SS-281 December 1988
- Brown, R. “Grumman Prototype Two-Phase Thermal Bus Acceptance Test Quick Look Test Report” Grumman Space Systems Report TBS-4019-QL October 1988
- Brown, R. “Space Station Prototype Two-Phase Thermal Bus System (TBS) Final System Evaluation Report” Grumman Space Systems Report TBS-4019-FR August 1989