具有热损失的混合物J－T节流制冷机中逆流热交换器的计算分析

The Calculation Analysis of Counterflow Heat Exchanger of Mixed-refrigerant J-T Cooler with Thermal Loss and Recuperative Imperfectiveness

报告了一类混合物工质（Ｎ＿２＋Ｃ＿２Ｈ＿６＋Ｃ＿３Ｈ＿８）在具有热漏及回热不完善时逆流热交换器中换热量温度分布图（ｑ－Ｔ）及换热量温度分布图（ｑ－τｅ）的计算结果与分析。阐述了在有热漏和回热不完善时混合物Ｊ－Ｔ节流制冷机工作的特。

The calculation analysis of q-T and q-τe diagrams of the couterflow heat exchanger with thermal loss and recuperative imperfectiveness used in the mixed-refrigerant Joule-Thomson cryocooler is presented in this paper.The working mechanism of the mixed-refrigerant Joule-Thomson cooler with thermal loss and recuperative imperfectiveness is reported, too.