对方腔内竖直板的层流混合对流换热进行了数值模拟.结果表明,竖直板处于水平方向两个不同位置时,竖直板背风面的混合对流换热量大于纯自然对流换热量.送风口高度比取0.667、0.767时,竖直板背风面的混合对流换热量大于纯自然对流换热量.当送风口高度比为0.167～0.467、0.767～0.867区间内,流动与换热得到定常解.在送风口高度比大于0.467小于0.767范围内,流动与换热为非定常解.
参考文献
| [1] | A K Chenak;M Mbaye .Mixed Convection and Conduction Heat Transfer in Open Cavities[J].J.Heat and Mass Transfer,1995,30:229-235. |
| [2] | Khalil khanafer;Kamibiz Vafai;marilyn Lightstone .Mixed convection heat transfer in two-dimensional open-ended enclosures[J].International Journal of Heat and Mass Transfer,2002(26):5171-5190. |
| [3] | Premachandran B;Balaji C .Mixed convection heat transfer from a horizontal channel with protruding heat sources[J].Heat and mass transfer,2005(6):510-518. |
| [4] | Lars Davission .Ventilation by Displacement in a Three-Dimensional Cavity:A Numerical Study[J].Building Environ,1989,24(04):365-376. |
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