First and second law analysis of pulse tube refrigerator

被引：20
作者：
He, Ya-Ling [1 ]
Huang, Jing [1 ]
Zhao, Chun-Feng [1 ]
Liu, Ying-Wen [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
来源：
APPLIED THERMAL ENGINEERING | 2006年 / 26卷 / 17-18期
基金：
中国国家自然科学基金;
关键词：
pulse tube refrigerator; numerical simulation; thermodynamics analysis; exergy losses;
D O I：
10.1016/j.applthermaleng.2006.03.005
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The first and second law of thermodynamics was used to analyze the orifice type and the double-inlet type of pulse tube refrigerator (PTR). Detailed dynamic characteristics of the thermodynamics, flow and heat transfer processes in the PTR were revealed, including the dynamic pressure variations, transient gas temperature, mass flow rate in the PTR. The exergy loss method was used to analyze each component in the PTR for the first time, and the performance coefficients of all components of PTR have been obtained. It was found that the performance coefficient of the double-inlet PTR was 0.108,9% higher than that of the orifice PTR. The analysis also showed that the exergy efficiency of the double-inlet PTR was 29.95%, significantly higher than that of the orifice PTR (25.04%). In addition, it was found that the exergy losses in the regenerator and orifice were substantially larger than in other components of the PTR system. The optimal design of these two key components is, therefore, essential for the further improvement of the PTR performance. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2301 / 2307
页数：7
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