APPLICATION OF WALL FUNCTIONS TO GENERALIZED NONORTHOGONAL CURVILINEAR COORDINATE SYSTEMS

被引:19
作者
SONDAK, DL
PLETCHER, RH
机构
[1] NASA, AMES RES CTR, MOFFETT FIELD, CA 94035 USA
[2] IOWA STATE UNIV SCI & TECHNOL, DEPT MECH ENGN, AMES, IA 50011 USA
关键词
D O I
10.2514/3.12329
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A method has been developed for the application of wall functions to generalized curvilinear coordinate systems with nonorthogonal grids. Two test cases have been computed using this method with the k-epsilon turbulence model: now over a flat plate at 0-deg angle of attack using a nonorthogonal grid at the wall and now over a prolate hemispheroid with a hemispherical nose cap at 0-deg angle of attack. All results are compared with experimental data. In addition, the hemispheroid results are compared with computations using the Baldwin-Lomax algebraic turbulence model and the Chien low-Reynolds-number k-epsilon turbulence model.
引用
收藏
页码:33 / 41
页数:9
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