Further development of the k-ζ (enstrophy) turbulence closure model

被引：29
|
作者：
Robinson, DF [1 ]
Hassan, HA [1 ]
机构：
[1] N Carolina State Univ, Raleigh, NC 27695 USA
来源：
AIAA JOURNAL | 1998年 / 36卷 / 10期
关键词：
D O I：
10.2514/2.298
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The k-zeta model is extended to the study of two-dimensional and three-dimensional separated external flows where Morkovin's hypothesis is expected to hold. The resulting model is free of damping and wall functions and is coordinate independent. Further, all modeled correlations are tensorially consistent and Galilean invariant. Applications include a variety of separated flows over airfoils and a cylinder/offset flare juncture. Comparisons are made with other turbulence models and experiment. In general, good agreement with experiment is indicated. The results demonstrate that it is possible to develop a two-equation turbulence model that is capable of predicting separated flows without sacrificing performance for free shear layers.
引用
收藏
页码：1825 / 1833
页数：9
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