郑州大学学报（理学版）2019，Vol.51Issue(1)：84-88,5.DOI:10.13705/j.issn.1671-6841.2017183
两种湍流模型在跨声速绕流中的比较分析
Comparison and Analysis of Two Turbulence Models in Transonic Flow
摘要
Abstract
The reynolds-averaged Navier-Stokes (NS) equation were solved to compare the simulation ac-curacy and characteristics of two turbulent models of Spalart-Allmaras ( SA) and menter′s k-ω SST( SST) in the transonic flow. The calculating results showed that in the two turbulent models the pressure coeffi-cient distribution with different positions were almost same to the influence of the wind tunnel experiment on the wing surface. The calculation speed of SA model was higher than the SST model. However, the calculation accuracy and stability of SST model were slightly higher than that of SA model. The two turbu-lence models had the greatest influence on drag, especially viscous drag. In comparison, the aerodynamic characteristics of SA model were slightly better.关键词
NS方程/跨声速流动/SA模型/SST模型Key words
NS equation/transonic flow/SA model/SST model分类
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郑秋亚,陈芳,吕梦迪,郑素佩..两种湍流模型在跨声速绕流中的比较分析[J].郑州大学学报（理学版）,2019,51(1):84-88,5.基金项目
国家自然科学基金项目(11401045,11601037). （11401045,11601037）
