کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
657966 1458075 2013 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
An unstructured grids-based discretization method for convection-diffusion equations in the two-dimensional cylindrical coordinate systems
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
An unstructured grids-based discretization method for convection-diffusion equations in the two-dimensional cylindrical coordinate systems
چکیده انگلیسی
The study on the application of unstructured grids in the solution of problems in two-dimensional cylindrical coordinate systems (r-z) is scarce, since one of the challenges facing this application is the accurate calculation of the control volumes. In this article, an unstructured grids-based discretization method, in the framework of a finite volume approach, is presented for the solution of the convection-diffusion equations in cylindrical coordinate systems. Numerical simulations are presented for the natural convection and lid-driven cavity flow problems. The numerical results calculated on unstructured grids are found to be in good agreement with those calculated on fine structured meshes. The employment of unstructured grids leads to flexibility of the discretization method for irregular domains of any shape.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 67, December 2013, Pages 581-592
نویسندگان
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