采用不同湍流模型对带自由面船舶粘性流场计算的分析比较
首发时间:2009-05-25
摘要:本文通过把计算流体力学软件Fluent中提供的几种二方程湍流模型配合不同的壁面函数,对KCS(KRISO Container Ship)船在考虑粘性自由面拖曳情况下的水动力学性能进行了计算。通过对比各个湍流模型计算得到的结果,并与实验数据比较,得到了不同湍流模型对带自由面船舶粘性流场的水动力学特性的预测效果,为带自由面船舶粘性流场计算的湍流模型的选取提供了参考性意见。
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Comparison of Turbulence Models in the Calculation of Ship Viscous Flows with Free Surface
Abstract:The free surface viscous flows of KCS (KRISO Container Ship) is simulated using the CFD software Fluent based on different turbulence models coupled with several wall functions provided in the Fluent. By comparison of the results of the different turbulence models and wall functions with the experimental data, the predicting effects of the turbulence models on hydrodynamics of ship viscous free surface flows are analyzed, which is helpful for the choosing of turbulence models in the calculation of ship viscous flow.
Keywords: Turbulence Models Wall Functions Free Surface Flows KRISO Container Ship
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