Performance of a Stirling-Type Pulse Tube Cooler for High Efficiency Operation at 100 Hz.

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Title: Performance of a Stirling-Type Pulse Tube Cooler for High Efficiency Operation at 100 Hz.
Author: Wang, Xiaotao ; Dai, Wei ; Hu, Jianying ; Luo, Ercang ; Zhou, Yuan
Abstract: High efficiency pulse tube coolers driven by linear compressors usually operate between 30 Hz and 60 Hz. This article presents the performance of a high efficiency in-line PTC with an operating frequency of 100 Hz. The theoretical model of a PTC is based on thermoacoustic theory. Analytical results indicate that the PTC operating at 100 Hz could obtain a high efficiency with appropriate parameters. To couple the PTC, the parameters of linear compressor are optimized using compressor governing equations. Experimental results show that a no-load temperature of 31.8 K and a cooling power of 12.4 W at 77 K are obtained with an input electric power of 185.2 W.
Description: Presented at the 16th International Cryocooler Conference, held May 17-20, 2008 in Atlanta, Georgia.
Type: Proceedings
ISBN: 978-1-934021-02-6
Date: 2008-05
Contributor: Chinese Academy of Sciences. Technical Institute of Physics and Chemistry
Chinese Academy of Sciences. Graduate University
Relation: Cryocoolers 16. Medium-capacity 50-80 k single-stage cryocoolers
Publisher: Georgia Institute of Technology
ICC Press
Subject: Medium-capacity 50-80 k single-stage cryocoolers
High efficiency coolers
Pulse tube cryocoolers
Linear compressors
Compressor governing equations

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