Abstract In sharp contrast to cryocoolers designed for use in space or laboratory applications, cryocoolers intended for installation in industrial or outdoor environments must operate over extremes of environmental temperatures, and must survive harsh environments including rain, salt fog and structural vibration. As cryocoolers move from protected laboratory environments to widespread industrial applications, new design rules will be required. Using the design of cryocoolers intended for cooling towertop telecommunications equipment for the wireless industry as an example, this paper describes the unique design considerations required to insure reliable operation in a wide range of outdoor installations. Since most outdoor applications will require air cooling, the design of the heat rejection system becomes a key element in the system optimization. We show that there is a maximum value of the thermal resistance of the heat rejection system (°C/W) for which stable operation at design conditions is possible, and present a methodology for determining this critical value.
Design Considerations for Industrial Cryocoolers
Cryocoolers 10 ; 823-828
2002-01-01
6 pages
Article/Chapter (Book)
Electronic Resource
English
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