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中文摘要：
采用标准k-ε模型和增强壁面函数法对空气横掠中空纤维膜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,守恒方程采用二阶迎风格式离散。计算得到了不同管间距比下的管束平均Nusselt数和阻力系数。分析了纵横管间距比及Reynolds数的改变对管束平均Nusselt数和阻力系数的影响。
英文摘要：
采用标准k-ε模型和增强壁面函数法对空气横掠中空纤维膜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,守恒方程采用二阶迎风格式离散。计算得到了不同管间距比下的管束平均Nusselt数和阻力系数。分析了纵横管间距比及Reynolds数的改变对管束平均Nusselt数和阻力系数的影响。
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