High-Temperature Waste Heat Driven Cooling Using Sorption Media

Paper #:
  • 932113

Published:
  • 1993-07-01
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.
Pages:
7
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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