1990-09-01

Vapor Cycle Compressors for Aerospace Vehicle Thermal Management 901960

Vapor cycle refrigeration units are being developed for expanded applications on aircraft and future spacecraft. These units offer advantages in high efficiency, closed system operation, high flux cooling, close temperature control, and long-term dependability. This paper provides an overview of approaches to vapor cycle compressor design for achieving high reliability and long life. Different types of compressors are reviewed, and descriptions are given for new innovations such as magnetic bearings, variable speed motors, and magnetic couplings.

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