摘要
突扩型燃烧室的结构简单可靠,近年来已引起广泛注意。为了计算时均流场和湍动流场,必须考虑迴流区及附面层全方位的压力梯度,给计算方法带来困难。 本文由时均的N—S方程和—ε湍流模型出发,将Patankar解耦技术推广到可压缩流,采用牛顿迭代法和稀疏矩阵技术,由连续和动量方程直接求解压力和速度场。
A confined turbulent flow in a sudden expansion duct is computed by a numerical method of time-averaged Navier-Stokes equations with k-e model. The pressure and velocity are obtained by using Newton's method and sparse matrix techniques. The numerical examples show that the computation results are in satisfactory agrefement with the experimental data.
出处
《航空动力学报》
EI
CAS
CSCD
北大核心
1989年第1期59-60,共2页
Journal of Aerospace Power
