A HEAT-TRANSFER RELATION FOR SWIRL FLOW IN A VORTEX TUBE

被引：9
|
作者：
LIN, S
CHEN, JR
VATISTAS, GH
机构：
[1] Department of Mechanical Engineering, Concordia University, Montreal, Quebec
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 1990年 / 68卷 / 06期
关键词：
VORTEX TUBE; SWIRL FLOW; ENERGY SEPARATION; HEAT TRANSFER WITH SWIRL;
D O I：
10.1002/cjce.5450680608
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
An experimental investigation was made to study the heat transfer behavior of a water-cooled vortex tube with air as the working medium. The vortex flow was generated by leading the compressed air to enter the vortex tube tangentially. The pressures of the inlet air were 300 to 500 kPa gauge. For each of these inlet pressures, the heat transfer performance of the vortex tube was studied at different cold mass flow ratios. New experimental data are presented. An empirical correlation for the prediction of the air-side Nusselt number is established. It was shown that the air-side Nusselt number for the swirl flow in this vortex tube can be up to 30 times higher than that for a flow without swirl in the same tube.
引用
收藏
页码：944 / 947
页数：4
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