Large-eddy simulation of an impinging jet in a cross-flow on a heated wall-mounted cube

被引：28
|
作者：
Rundstrom, D. [1 ]
Moshfegh, B.
机构：
[1] Univ Gavle, Div Energy & Mech Engn, Dept Technol & Built Environm, S-80262 Gavle, Sweden
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2009年 / 52卷 / 3-4期
关键词：
Large-eddy simulation; Impinging jet in a cross-now; Reynolds stress model; Electronic cooling; VELOCITY; MODEL; CLOSURE;
D O I：
10.1016/j.ijheatmasstransfer.2008.03.035
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A large-eddy simulation (LES) is performed in order to predict the mean velocity field, the turbulence characteristics and the heat transfer rate of an impinging jet in cross-flow configuration on a heated wall-mounted cube. The WALE model was used to model the subgrid-scale tensor. The results from the LES are compared with a Reynolds stress model (RSM) and against earlier measurements with identical set-up. A comparison between the results from the predictions and the measurements shows that in general the LES has better agreement with the measurements compared to the RSM and particularly in the stagnation region of the impinging jet. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：921 / 931
页数：11
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