双向进气型脉冲管膨胀机能流分析研究  

Research on energy flow analyses of double-inlet pulse tube expander system

作　　者：贾启明 龚领会[1,2] 崔文慧 朱伟平[1,2] 谢秀娟 李正宇 张宇[1,2] 张梅梅 Jia Qiming;Gong Linghui;Cui Wenhui;Zhu Weiping;Xie Xiujuan;Li Zhengyu;Zhang Yu;Zhang Meimei(State Key Laboratory of Technologies in Space Cryogenics Propellants,Beijing 100190,China;Chinese Academy of Sciences Key Laboratory of Cryogenics,Technical Institute of Physics and Chemistry,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]航天低温推进剂技术国家重点实验室,北京100190 [2]中国科学院低温工程学重点实验室(理化技术研究所),北京100190 [3]中国科学院大学,北京100049

出　　处：《低温工程》2023年第1期6-12,共7页Cryogenics

基　　金：国家重点研发计划(项目号:2020YFB1506201)资助。

摘　　要：通过建立双向进气型的脉冲管膨胀机系统焓流模型,分析识别了能流在系统内部流向及变化规律,构建了热端换热器换热物理模型,分析出双向进气结构在模型中对热端换热器的焓流熵流影响。建立系统内小孔阀计算模型,并开展实验测试,获得焓流随时间变化关系。该研究有助于其进行性能预测。A double-inlet pulse tube expander system model is established. The energy flow direction and variation law inside the system are analyzed. A physical heat-exchange model at the hot end of the heat exchanger is built. The influence of double inlet structure on the enthalpy flow and entropy flow at the hot end exchanger is analyzed. The calculate model of the orifice valve in the system is establised,and the experimental tests is carried out to obtain the relationship of enthalpy flow with time. This research contributes to the performance prediction of a double-inlet pulse tube expander system.

关 键 词：脉冲管 双向进气 能流分析 小孔阀 

分 类 号：TB653[一般工业技术—制冷工程]