کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9717634 1470084 2005 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Diffusion of a line vortex in a second grade fluid embedded in a stagnation point flow
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Diffusion of a line vortex in a second grade fluid embedded in a stagnation point flow
چکیده انگلیسی
The diffusion of a line vortex embedded in a radially inward axisymmetric stagnation point flow for a second grade fluid is considered. This flow is the diffusion of a line vortex for a second grade fluid when a stagnation point flow is superimposed. The velocity field is in the form of υr = −αr, υθ = υ(r, t), υz = 2αz, where r, θ, z are cylindrical polar coordinates and α is a constant related to the inward flow. An exact solution of the governing equation is given. It is found that for small values of the time the solution approaches the diffusion of a line vortex in a second grade fluid and for large values of the time the solution tends to the flow of a line vortex in a second grade fluid embedded in a radially inward axisymmetric stagnation point flow.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Engineering Science - Volume 43, Issues 15–16, October 2005, Pages 1257-1264
نویسندگان
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