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斯特林制冷机回热器的热损失理论分析及实验研究
投稿时间:2020-09-24  修订日期:2020-10-10  点此下载全文
引用本文:辛光磊,任博文.斯特林制冷机回热器的热损失理论分析及实验研究[J].红外,2021,42(3):31~35
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作者单位E-mail
辛光磊 华北光电技术研究所 m15122107747@163.com 
任博文 华北光电技术研究所  
中文摘要:回热器是斯特林制冷机的核心部件,其性能优劣对斯特林制冷机的性能有决定性影响。对斯特林制冷机回热器的各项热损失(主要包括有限传热损失、 流动压降损失、 空容积损失等)进行了理论分析,并通过实验研究了增加丝网数量和采取不同丝网填充方式对回热器性能的影响。结果表明,增加丝网数量可以有效提高制冷机的性能,采取冷端布置400目丝网和热端布置少量100目丝网的混合丝网布置方式达到的效果最好,为斯特林制冷机的回热器性能优化提供了依据。
中文关键词:斯特林制冷机  回热器  热损失  丝网填料混合布置
 
Theoretical Analysis and Experimental Study of Heat Loss of Stirling Cryocooler Regenerator
Abstract:The regenerator is the core component of the Stirling cryocooler, which has a decisive influence on the performance of the Stirling cryocooler. The heat loss of the Stirling cryocooler (including finite heat transfer loss, pressure drop loss and empty volume loss, etc.) is analyzed theoretically, and the effect of increasing the number of meshes and different filling modes on the regenerator performance is also studied experimentally. The experimental results show that increasing the number of meshes can effectively improve the performance of cryocooler, and the mixed arrangement with 400 meshes at the cold end and a small amount of 100 meshes at the hot end has the best effect, which provides a basis for the performance optimization of Stirling cryocooler.
keywords:Stirling cryocooler  regenerator  heat loss  mesh mixed arrangement
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