本文实验研究了不同的热流密度和波纹高度对交叉三角形波纹板流道的流动与换热的影响.利用低Re数κ-ε湍流模型进行了数值模拟,二者吻合情况较好.并且得到了三维复杂计算区的速度场.研究表明;交叉三角形波纹板流道具有良好的换热效果.热流密度和波纹高度越大,换热效果越好.底部区域产生强烈的顺时针旋涡,并且具有明显的周期性.
参考文献
[1] | Li-Zhi Zhang .Turbulent Three-Dimensional Air Flow and Heat Transfer in a Cross-Corrugated Triangular Duct[J].Journal of heat transfer: Transactions of the ASME,2005(10):1151-1158. |
[2] | Zhang LZ .Numerical study of periodically fully developed flow and heat transfer in cross-corrugated triangular channels in transitional flow regime[J].Numerical Heat Transfer, Part A. Application: An International Journal of Computation and Methodology,2005(4):387-405. |
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