二维旋转湍流边界层内气固两相流动的数值模拟

本文用修正的ＤＯＲＯＤ－ＦＥＭ方法对不可压流体二维旋转湍流边界层进行了数值模拟，得到了与实验数据较符合的边界层形状因子和壁面摩擦系数的计算结果。采用单向耦合（Ｏｎｅ－ｗａｙ Ｃｏｕｐｌｉｎｇ）方法，计算了固粒在湍流边界层和无粘流中的运动轨迹，给出了壁面被固粒撞击后的冲蚀磨损分布，分析了近壁流场性态与壁面冲蚀磨损的关系。

The Numerical Simulation of Gas-Solid Tow-Phase Flow in the Two-Dimensional Rotating Turbulent Boundary Layer

The Dorodnitsyn finite element method is extended to treat two-dimensional rotating turbulent boundary layer flows. The shape factor and wall friction factor which conform to the experimental results are obtained. One-way coupling method is used to compute the trajec-tories of particles in the turbulent boundary layers and potential flows. The erosion distribution of wall surface struck by particles are given and relationship between feature of boundary layer and erosion is analy-sed.