本文借助数值模拟技术分析了三维跨音速涡轮导向叶栅不同壁面边界条件对流场流动状况的影响,壁面边界分别采用绝热、等温、耦合换热三种条件.通过对计算结果的分析表明,不同叶片表面边界条件对流场温度场有很大影响,对流场内的压力场及其它参数也有明显影响,因此在气冷涡轮设计中使用多场耦合技术进行数值模拟是非常必要的.
参考文献
[1] | 李海滨;冯国泰;王松涛.涡轮二维叶栅的气热耦合数值模拟[A].北京:中国工程热物理学会,2002 |
[2] | Steinthorson E;Ameri A A .Computations of Viscous Flows in Complex Geometries Using Multiblock Grid Systems[R].AIAA-95-0177,1995. |
[3] | Steinthorson E;Ameri A A;Rigby L D .Simulation of Turbine Cooling Flows Using Multiblock-Multigrid Scheme[R].AIAA 96-0621,1996. |
[4] | Zhen Xue Han;Brian H Dennis;George S Dulikravich .Simultaneous Prediction of External Flow-Filed and Temperature in Internally Cooled 3-D Turbine Blade Material[Z].ASME 2000-GT-253,2000. |
[5] | Wolfgang Ganzert;Thomas Hildebrandt;Leonhard Fottner .Systematic Experimental and Numerical Investigations on The Aerothermodynamics of a Film Cooled Turbine Cascade with Variation of the Cooling Hole Shape[R].ASME 2000-GT-295,2000. |
[6] | C H Sieverding;T Arts;R Denos .Investigation of the Flow Field Downstream of a Turbine Trailing Edge Cooled Nozzle Guide Vane[Z].ASME 94-GT-209,1994. |
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