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CPL Materials Life Cycle Test Facility
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Abstract
The Capillary Pumped Loop (CPL) Materials Life Cycle Test Facility at the Goddard Space Flight Center (GSFC) will identify the operational parameters controlling the performance of a CPL over an extended period of time. The primary purpose of the facility is to investigate the long-term chemical compatibility between the anhydrous ammonia working fluid and the CPL materials of construction. Chemical reactions occurring within the system may produce non-condensable gases or particulate debris that can lead to a degradation in system performance. Small liquid samples will be drawn from the system at specific time intervals and analyzed to check for the presence of non-condensable gases. Periodic maximum and minimum heat load tests will be performed on the CPL to monitor trends in the overall system performance.
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Citation
Buchko, M., "CPL Materials Life Cycle Test Facility," SAE Technical Paper 921406, 1992, https://doi.org/10.4271/921406.Also In
References
- Butler, D. Hoang, T. “The Enhanced Capillary Pumped Loop Flight Experiment: A Prototype of the EOS Platform Thermal Control System,” Paper No. 91-1377, AIAA 26th Thermophysics Conference Honolulu, Hawaii June 24-26 1991
- Fredley, J.E. Braun, C. “A Low Pressure Drop Heat Exchanger with Integral Heat Pipe,” Proceedings of the 1988 ASME National Heat Transfer Conference 1 367 377
- Buchko, M.T. “Test Results of Prototype Two-Phase Reservoirs for the CAPL Flight Experiment,” Paper No. 92-2888, AIAA 27th Thermophysics Conference Nashville, Tennessee July 6-8 1992
- Jones, J.A. “Aluminum/Ammonia Heat Pipe Gas Generation and Long Term System Impact for the Space Telescope's Wide Field Planetary Camera,” Paper No. 83-1428, AIAA 18th Thermophysics Conference Montreal, Canada June 1 3 1983
- Lapinski, R.J. Antoniuk, D. “Characterization of Aging Mechanisms in Aluminum/Ammonia Heatpipes,” Paper No. 91-1361, AIAA 26th Thermophysics Conference Honolulu, Hawaii June 24-26 1991