Experimental investigation on heating performance of a counter-flow vortex tube

被引：0
|
作者：
Liang, Fachun [1 ,2 ]
Wang, Huazhong [1 ]
Meng, Jia [1 ]
机构：
[1] China Univ Petr, Coll Pipeline & Civil Engn, Qingdao 266580, Peoples R China
[2] State Ocean Adm, Lab Marine Spill Oil Identificat & Damage Assessm, North China Sea Enviromental Monitoring Ctr, Qingdao, Peoples R China
来源：
EXPERIMENTAL HEAT TRANSFER | 2021年 / 34卷 / 04期
基金：
芬兰科学院; 中国国家自然科学基金;
关键词：
Vortex tube; temperature separation; heat transfer; THERMAL PERFORMANCE; NOZZLE NUMBER; CFD ANALYSIS; EXCHANGER; SYSTEM;
D O I：
10.1080/08916152.2020.1743386
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Previous researches mainly focused on the cooling performance of the vortex tube. Here, the heating performance indicators such as hot temperature difference, heating rate per unit air, and coefficient of performance are investigated experimentally. The results show that the maximum heating separation is obtained when the cold mass fraction is in the range of 0.45-0.7. The influence of inlet pressure on the hot temperature difference tends to reduce when it exceeds 0.3 MPa. Increase of the inlet pressure will cause the decrease of heating rate. Compared with 4-nozzle vortex tube, much better performance is achieved when 6-nozzle vortex tube is used.
引用
收藏
页码：314 / 328
页数：15
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