Numerical Simulation on Convective Heat Transfer of Multiply Slot Gas Impinging and Characteristic Equation

Huang Jun; Wu Wenfei; Liu Huafei; Zhang Yongjie

doi:10.15980/j.tzzz.2013.09.011

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Numerical Simulation on Convective Heat Transfer of Multiply Slot Gas Impinging and Characteristic Equation
Vol. 33, Issue 9, Pages: 809-811(2013)
Published： 2013 ，
DOI： 10.15980/j.tzzz.2013.09.011

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[1]黄军,武文斐,刘华飞,张永杰.多狭缝冲击射流冷却模拟及其特征数方程[J].特种铸造及有色合金,2013,33(09):809-811.

Huang Jun, Wu Wenfei, Liu Huafei, et al. Numerical Simulation on Convective Heat Transfer of Multiply Slot Gas Impinging and Characteristic Equation. [J]. Special Casting & Nonferrous Alloys 33(9):809-811(2013)
[1]黄军,武文斐,刘华飞,张永杰.多狭缝冲击射流冷却模拟及其特征数方程[J].特种铸造及有色合金,2013,33(09):809-811. DOI： 10.15980/j.tzzz.2013.09.011.

Huang Jun, Wu Wenfei, Liu Huafei, et al. Numerical Simulation on Convective Heat Transfer of Multiply Slot Gas Impinging and Characteristic Equation. [J]. Special Casting & Nonferrous Alloys 33(9):809-811(2013) DOI： 10.15980/j.tzzz.2013.09.011.

摘要

基于建立的虚拟的传热实验台

在和试验结果对比的基础上

进行实际工业应用下的不同结构参数和喷射参数的狭缝冲击射流模拟

获得不同试验条件下的平均传热系数。归纳狭缝冲击射流的传热准数方程Nu=0.254Re0.72 Pr0.42 Ar0.29（H Dh）-0.14。

Abstract

Based on the virtual heat transfer bench and the comparison with experimental results

numerical simulation has been performed with different structural parameters and the injection parameters in the practical industrial applications.Surface convective heat transfer coefficient was presented.Characteristic number equation is Nu =0.254Re0.72 Pr0.42 Ar0.29（H Dh）-0.14.