Abstract This paper presents a study of capillary tubes used as expansion devices in mixed-refrigerant J-T cryocoolers. A numerical model is presented for predicting capillary tube performance with multicomponent refrigerants, and the results are compared with experimental data. Because of the multicomponent refrigerant used in the system, the flow characteristic is different from that in a household refrigerator or freezer. The experimental results are discussed, and the performance of the capillary is analyzed.
Research on Adiabatic Capillary Tube Expansion Devices in Mixed-Refrigerant J-T Cryocoolers
Cryocoolers 12 ; 609-614
2003-01-01
6 pages
Article/Chapter (Book)
Electronic Resource
English
Research on Adiabatic Capillary Tube Expansion Devices in Mixed-Refrigerant J-T Cryocoolers
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