采用标准k-ε模型和增强壁面函数法对空气横掠管束的强制对流换热进行数值模拟．采用SIMPLEC算法求解速度场和压力场的耦合，方程离散采用二阶迎风格式．计算得到的平均Nusselt数与现有文献中的实验关联式基本是吻合的．%A k-epsilon model and enhanced wall function method is applied to simulate the convective heat transfer of fluid flow across tube banks. The velocity field and pressure field are coupled and solved by the SIMPLEC algorithm. The second order scheme is employed to discretize the conservation equations. The calculated average Nusselt numbers are in well agreement with those from empirical correlations.
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