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High-Temperature Waste Heat Driven Cooling Using Sorption Media
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English
Abstract
Complex Compounds are solid-gas sorption media with the coordinative bond (sharing one or more electrons) established between metal inorganic salt-based adsorbents and polar refrigerants, such as ammonia, sulfur dioxide, and water. Complex compounds utilize this unique bond to sorb large amounts of refrigerant in a process that is reversible and provides large temperature lifts in single-stage hardware, allowing for their application to heat pump processes under adverse conditions.
This paper describes the ongoing development of a solid-vapor complex-compound prototype heat pump suitable for lunar base operation. Working conditions are 4-15°C cooling and 82-93°C heat rejection. Work to meet this objective involves thermodynamic characterization of the media selected and principally tested, complex-compound stability determination, optimization of physical parameters, such as salt packing density and heat exchangers with various construction materials, and proof-of-concept prototype development.
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Authors
Citation
Rockenfeller, U., Kirol, L., and Khalili, K., "High-Temperature Waste Heat Driven Cooling Using Sorption Media," SAE Technical Paper 932113, 1993, https://doi.org/10.4271/932113.Also In
References
- Nernst, W. The New Heat Theorem Dover Publications Inc. New York 1969
- Rockenfeller U. Development of Dual Temperature Ammines for Heat Pump Latent Storage Application March 1988 National Technical Information Services Springfield, VA
- Rockenfeller U. “Study of Generic Problems of Solid-Vapor Energy Storage Systems” Oak Ridge National Laboratory 1987
- Rockenfeller U. “Development of Heat Pump Using Complex Compound Cycles for Use in Space Power Heat Rejection Systems” Oak Ridge 1986