【摘要】 自Yakhot和Orszag提出RNG k-ε湍流模式以来,很多学者对其进行了修正和发展,并将其应用于某些实际湍流问题的数值模拟,取得了一些与实验近似一致的结果。本文主要从工程湍流计算的角度出发,结合作者的部分研究工作,对近年来RNG k-ε模式在湍流流动数值研究中的应用现状及进展情况进行了总结,指出了该模式存在的问题,并对其应用前景进行了展望。更多还原

【Abstract】 The RNG k-e model had been corrected and developed by many researchers since it was presented by Yakhot and Orszag. Various forms of the modified models had been extended to apply to numerical simulatoins of some practical turbulent flows, and some results that are in agreement with the experimental data had been obtained. Applications and advances of RNG k-e models in numerical investigations of some turbulent flows in recent years were reviewed. Part of the authors’ research work was also included. The existing problems of this type of models and their prospects in practical applications were also discussed.更多还原