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A Nonventing Cooling System for Space Environment Extravehicular Activity, Using Radiation and Regenerable Thermal Storage
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English
Abstract
This paper outlines the selection, design, and testing of a prototype nonventing regenerable astronaut cooling system for Extravehicular Activity (EVA) space suit applications, for mission durations of four hours or greater. The selected system consists of the following key elements: a radiator assembly which serves as the exterior shell of the portable life support subsystem (PLSS) backpack; a layer of phase change thermal storage material, n-hexadecane paraffin, which acts as a regenerable thermal capacitor; a thermoelectric heat pump; and an automatic temperature control system. The capability for regeneration of thermal storage capacity with and without the aid of electric power is provided.
Citation
Bayes, S., Trevino, L., and Dinsmore, C., "A Nonventing Cooling System for Space Environment Extravehicular Activity, Using Radiation and Regenerable Thermal Storage," SAE Technical Paper 881063, 1988, https://doi.org/10.4271/881063.Also In
References
- Greenwood Fred H. Balinskas Robert J. “Evolution of the Shuttle Extravehicular Mobility Unit's Life Support System,” SAE Technical Paper No. 851333 July 1985
- Roebelen George J. Bayes Stephen A. Lawson B. Mike “Regenerable Non-Venting Thermal Control Subsystem for Extravehicular Activity,” SAE Technical Paper No. 860947 1986