【摘要】 １前言考虑叶顶间隙影响的三维叶栅粘性流场特性的数值模拟是当今比较流行的研究课题。顶部泄漏流动的研究对更准确分析、设计三维叶栅具有重要意义。近年来，国内外的学者使用了多种不同的数值方法及实验方法对叶顶间隙流进行研究。然而，以往的计算往往局限于直列叶栅，...更多还原

【Abstract】 Based on 3-D Navier-Stokes solver expressed with nonorthogonal curvilinear coordinatesand corresponding nonorthogonal velocity components, the numerical simulation of the viscous flow in an annular cascade with tip clearance was discussed in this paper. An efficientintegral H-grid is adopted to solve the grid singularity in tip region. From the pressureand velocity profiles predicted by this code, the detail structure of tip leakage flow can beobtained.更多还原