摘要
对叶轮机扩压叶栅流道内三维可压湍流流动进行了数值模拟,采用了一种简化模型一单圆弧直到扩压叶栅。在正交曲线坐标系中对所研究的N-S方程做了抛物化处理,略去主流方向的扩散项并用一个已知的无粘压力场使动量方程分开求解,然后修正无粘压力场,引入简化的能量方程,计算中采用κ—ε湍流模型。
The three-dimensional compressible Navier-Stokes equations are sloved for the calculation of turbulent flowes inside a straight compresson cascade with circular are blades, using parabolic technique. A orthogonal curvilinear coordinte system is used. The equations are parabolized by using a previously calculated inviscid static pressure field, which will be corrected. The k-ε turbulent model is used.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
1992年第6期57-62,共6页
Journal of Harbin Institute of Technology
