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最佳脉管长径比优化设计的理论分析及数值模拟 被引量:5

Optimum Design of the Length to Diameter Ratio of the Pulse Tube by Theory and Numerical Simulation
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摘要 采用数值模拟的方法 ,对脉管制冷机中脉管的一个重要参数———长径比的影响进行了研究 .发现脉管存在一个最佳长径比 ,在该长径比下制冷量最大 .最佳长径比随着结构以及运行参数 (频率等 )的不同而有所变化 .对一台频率为 17Hz的串联脉管制冷机进行计算 ,发现脉管最佳长径比为 9 0 . The effect of the length to diameter ratio of a pulse tube on the performance of pulse tube refrigerator (PTR) was studied numerically. It is found that there exists an optimum length to diameter ratio at which the cooling capacity of a PTR is the maximum. The value of the optimum ratio varies with structure and operation parameters (such as frequency). For a PTR of conventional structure with a frequency of 17 Hz the optimum ratio is found to be 9.0.
出处 《西安交通大学学报》 EI CAS CSCD 北大核心 2002年第3期230-232,共3页 Journal of Xi'an Jiaotong University
基金 国家"九七三"重点基础研究发展规划资助项目 (G2 0 0 0 0 2 6 30 3) 国防科技重点实验室基金资助项目 (00JS6 4.4.1JW0 80 7)
关键词 脉管制冷机 长径比 数值模拟 优化设计 Computer simulation Structure (composition)
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参考文献1

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同被引文献42

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  • 2蒋彦龙,陈国邦.脉管制冷机中的直流流动[J].世界科技研究与发展,2006,28(5):62-68. 被引量:1
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