کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
767566 | 897190 | 2009 | 18 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Analytical solutions for pipe flow of a fourth grade fluid with Reynold and Vogel’s models of viscosities
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Analytical solutions for pipe flow of a fourth grade fluid with Reynold and Vogel’s models of viscosities Analytical solutions for pipe flow of a fourth grade fluid with Reynold and Vogel’s models of viscosities](/preview/png/767566.png)
چکیده انگلیسی
In this paper, the steady incompressible flow of a fourth grade fluid down a vertical cylinder with variable viscosity and heat transfer analysis are considered. The governing equations of motion of fourth grade fluid in cylindrical coordinates have been derived. The complete analytic solutions of momentum and energy equations have been obtained by homotopy analysis method (HAM). The entropy generation number for two cases of viscosities namely (i) Reynold’s model and (ii) Vogel’s model have also been computed. The results are compared with the available finite difference and perturbation solutions of third grade fluid. At the end the pressure gradient for the fourth grade fluid has also been calculated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Communications in Nonlinear Science and Numerical Simulation - Volume 14, Issue 5, May 2009, Pages 2073–2090
Journal: Communications in Nonlinear Science and Numerical Simulation - Volume 14, Issue 5, May 2009, Pages 2073–2090
نویسندگان
S. Nadeem, M. Ali,