Numerical simulation of secondary vortex chamber effect on the cooling capacity enhancement of vortex tube

被引：13
|
作者：
Pourmahmoud, Nader [1 ]
Azar, Farid Sepehrian [1 ]
Hassanzadeh, Amir [2 ]
机构：
[1] Urmia Univ, Dept Mech Engn, Orumiyeh, Iran
[2] Islamic Azad Univ, Mahabad Branch, Dept Mech Engn, Coll Engn, Mahabad, Iran
来源：
HEAT AND MASS TRANSFER | 2014年 / 50卷 / 09期
关键词：
ENERGY SEPARATION; DIAMETER RATIO; NOZZLE NUMBER; CFD ANALYSIS; PERFORMANCE; LENGTH; PARAMETERS;
D O I：
10.1007/s00231-014-1335-z
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A vortex tube with additional chamber is investigated by computational fluid mechanics techniques to realize the effects of additional chamber in Ranque-Hilsch vortex tube and to understand optimal length for placing the second chamber in order to have maximum cooling effect. Results show that by increasing the distance between two chambers, both minimum cold and maximum hot temperatures increase and maximum cooling effect occurs at Z/L = 0.047 (dimensionless distance).
引用
收藏
页码：1225 / 1236
页数：12
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