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Development of an Advanced Capillary Pumped Loop
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Abstract
Capillary Pumped Loops (CPL) are projected to be the primary heat transport device for the next generation spacecrafts and satellites. The major shortcoming of a traditional CPL system has been its inability to tolerate vapor and/or non-condensible gas (NCG) bubbles when they are present in the liquid side of the loop. The vapor/NCG bubbles ultimately caused the capillary pumps to fail. A novel CPL design concept, called Advanced CPL or A-CPL, was introduced to create deprime resistant capillary pumps. The main idea of the A-CPL was to generate a liquid flow through the capillary pump core to flush out vapor/NCG bubbles.
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Citation
Hoang, T., "Development of an Advanced Capillary Pumped Loop," SAE Technical Paper 972325, 1997, https://doi.org/10.4271/972325.Also In
References
- Ku, J. “Thermodynamics Aspects of Capillary Pumped Loop Operation” AIAA Paper 94-2059 1994
- Hetsroni, G. Handbook of Multiphase Systems McGraw-Hill New York
- Hoang, T. Ku J. “Hydrodynamic Aspects of Capillary Pumped Loops” SAE Paper No. 961435 1996
- Butler, D. Ottenstein L. Ku J. “Design Evolution of the Capillary Pumped Loop (CAPL-2) Flight Experiment” SAE Paper No. 96-1433 1996
- Ottenstein, L Ku J. Butler D. “Thermal Vacuum Testing of the Capillary Pumped Loop Flight Experiment” SAE Paper No. 94159
- Wolf, D. “Loop Heat Pipe Research and Development” Capillary Pumped Loop Workshop IV Goddard Space Flight Center Baltimore, Maryland September 1994
- Hoang, T. “Design and Test of A Proof-of-Concept Advanced Capillary Pumped Loop” SAE Paper No. 97ES-17 1997