论文部分内容阅读
对跨音速压气机叶片排内具有复杂三维激波的紊流流场所进行的数值分析,采用了空间三阶精度无波动格式以保证对紊流特征的正确模拟,利用LU-SGS算法避免了一般隐式算法的繁琐运算,使之与显式方法推进一步的运算工作量基本相当,从而构成了一种既准确又高效的跨音速压气机紊流流动数值求解系统。计算与实验进行了对比,结果是令人满意的。
The numerical analysis of the turbulent flow field with a complex three-dimensional shock wave in a transonic compressor blade row uses the third-order space-precision wave-free format to ensure the correct simulation of the turbulence characteristics and avoids the general use of the LU-SGS algorithm The tedious algorithm of implicit algorithm makes it roughly equivalent to the one-step computational effort of explicit method, which constitutes a numerical solution system of turbo-flow for transonic compressor with accuracy and efficiency. Comparing with the experiment, the result is satisfactory.