FLOW OF AN OLDROYD-B FLUID BETWEEN INTERSECTING PLANES

被引:13
|
作者
BHATNAGAR, RK
RAJAGOPAL, KR
GUPTA, G
机构
[1] UNIV PITTSBURGH,DEPT MECH ENGN,PITTSBURGH,PA 15261
[2] UNIV PITTSBURGH,DEPT MATH,GREENSBURG,PA 15601
关键词
INTERSECTING PLANES; NONRADIAL FLOW; OLDROYD-B FLUID; STREAMLINE PATTERNS;
D O I
10.1016/0377-0257(93)80003-T
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
We have studied the non-radial flow of an Oldroyd-B fluid between intersecting planes. The effects of the Reynolds number Re and the elastic number sigma are carefully delineated. Our results agree with the results of Strauss (Acta Mechanica, 21 (1975) 141) when sigma = 0. In addition to studying the problem when a sigma not-equal 0, we carried out studies for values of Reynolds number which are two orders of magnitude larger than in previous studies. We find that there is an interesting structural change in the streamline patterns with changes in the Reynolds and Weissenberg numbers which was not observed in the earlier studies, and this has been documented for the first time.
引用
收藏
页码:49 / 67
页数:19
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