NDLI: Sterling Cryocooler test results And Design Model Verification

Content Provider	IEEE Xplore Digital Library
Author	Shimko, M.A. Stacy, W.D. McCormick, J.A.
Copyright Year	1990
Description	Author affiliation: Creare, Inc. (Shimko, M.A.)
Abstract	This paper reports on progress in developing a long-life Stirling cycle cryocooler for spaceborne applications. It presents the results from tests on a preliminary "breadboard" version of the cryocoolor used to demonstrate the feasibility of the technology and to validate the regenerator design code used in its development. This machine achieved a cold-end temperature of 65 K while carrying a 1/2 Watt cooling load. The basic machine is a double-acting, flexure-bearing, split Stirling design with linear electromagnetic drives for the expander and compressors. Flat metal diaphragms replace pistons for both sweeping and scaling the machine working volumes. In addition, the double-acting expander couples to a laminar-channel counterflow recuperative heat exchanger for regeneration. A PC compatible design code was developed for this design approach that calculates regenerator loss including heat transfer irreversibilities, pressure drop, and axial conduction in the regenerator walls. The code accurately predicted cooler perf6rinance and assisted in diagnosing breadboard machine flaws during shakedown and development testing.
Starting Page	292
Ending Page	297
File Size	423614
Page Count	6
File Format	PDF
ISBN	0816904901
DOI	10.1109/IECEC.1990.748067
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-08-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Testing Heat transfer Compressors Seals Temperature Space technology Cooling Pistons Paper technology Satellites
Content Type	Text
Resource Type	Article

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