正交曲线坐标下三维代数应力通量模型

被引：6

作者：

华祖林

王惠民

许协庆

机构：

[1] 河海大学水文水资源及环境学院!南京

[2] 中国水利水电科学研究院!北京

来源：

水动力学研究与进展(A辑) | 2001年 / 02期

关键词：

湍流; 曲线坐标; 各向异性; 弯道及不规则边界; 代数应力通量模型;

D O I：

10.16076/j.cnki.cjhd.2001.02.001

中图分类号：

TV131.2 [水动力学];

学科分类号：

摘要：

针对弯曲及不规则明渠的水动力及物质输运特性 ,本文建立了曲线坐标系下的三维代数应力通量数学模型 ,对平面上弯曲及不规则复杂边界情形 ,采用 Poisson方程进行正交曲线坐标变换 ,各向异性的湍流代数应力通量模型被引用于本文的模拟计算中 ,以体现复杂边界条件引起的水动力及物质输运特性的变化。通过 180°强弯曲明渠水槽及贵溪电厂不规则边界河段物理模型试验两个实例计算表明 ,实测值与计算值吻合良好 ,效果令人满意。

引用

页码：131 / 142

页数：12

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