本文对存在自发凝结的湿蒸汽两相流动建立了完全欧拉坐标系统下的数理模型.采用考虑了真实流体性质的LU-SGS-GE隐式时间推进算法和改良型高精度、高分辨率MUSCL TVD差分格式求解存在自发凝结的汽液两相流动控制方程组.文中水及水蒸汽性质数据全部取自IAPWS-IF97国际标准公式.对某Laval缩放喷管内的湿蒸汽自发凝结流动的数值模拟结果表明,本文所采用的数理模型及计算方法是有效和可靠的.
参考文献
[1] | Xin Yuan;Hisaaki Daiguji .A specially combined lower-upper factored implicit scheme for three-dimensional compressible Navier-Stokes equations[J].Computers & Fluids,2001(3):339-363. |
[2] | Shigeki SENOO;Yoshio SHIKANO .Two-Dimensional Analysis for Non-Equilibrium Homogeneously Condensing Flows through Steam Turbine Cascade[J].JSME International Journal, Series B. Fluids and Thermal Engineering,2002(4):865-871. |
[3] | 施明恒;甘永平;马重芳.沸腾和凝结[M].北京:高等教育出版社,1995:244-248. |
[4] | Moses C A;Stein G D .On the Growth of Steam Droplets Formed in a Laval Nozzle Using Both Static Pressure and Light Scattering Measurements[J].Journal of Fluids Engineering,Transactions of the ASME,1978,100(03):311-322. |
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