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交叉三角形波纹板流道中流动常处于过渡态.本文研究了交叉波纹板中的周期性完全发展流动及热传递.利用周期性降低几何流道的复杂性以及简化模拟对象.为了模拟这个拓扑结构中的过渡流,利用了已经验证的低雷诺数k-ω湍流模型来说明流动中的湍流流动.得到了三维复杂计算区的温度、速度以及湍流场.计算了在恒壁温和恒热流密度两种边界条件下的摩擦系数和平均Nusselt数及其与雷诺数的关系.湍流中心从上层壁面的波纹处移向下层壁面的波纹处并逐步增强.

参考文献

[1] Zhang L.Z;Jiang Y .Heat and mass transfer in a membrane-based energy recovery ventilator[J].Journal of Membrane Science,1999(1):29-38.
[2] L. Z. Zhang;J. L. Niu .Effectiveness Correlations for Heat and Moisture Transfer Processes in an Enthalpy Exchanger With Membrane Cores[J].Journal of heat transfer: Transactions of the ASME,2002(5):922-929.
[3] 张立志.除湿技术[M].北京:化学工业出版社,2005
[4] Focke W W;Zachariades J;Olivier I .The Effect Of The Corrugation Inclination Angle on The Thermohydraulic Performance of Plate Heat Exchangers[J].International Journal of Heat and Mass Transfer,1985,28(08):1469-1479.
[5] Ciofalo M;Stasiek J;Collins M W .Investigation of Flow and Heat Transfer in Corrugated Passages-2.Numerical Simulations[J].International Journal of Heat and Mass Transfer,1996,39(01):165-192.
[6] 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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