کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
659720 1458137 2009 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Robust reduced order modeling of heat transfer in a back step flow
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Robust reduced order modeling of heat transfer in a back step flow
چکیده انگلیسی
We present a method to obtain reduced order models to calculate steady states in thermal systems of industrial interest. The method could be regarded as an evolution of the standard proper orthogonal decomposition (POD) method, in which the reduced model is obtained through standard Galerkin projection (whose application exhibits well known difficulties) on previously obtained POD modes. Instead of relying on a Galerkin projection, we use a genetic algorithm (GA) to minimize a conveniently defined residual for the (continuity, momentum, and energy) equations and boundary conditions. The method and its practical application are illustrated on a test problem that describes heat transfer in the recirculation region downstream of a backwards facing step.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 52, Issues 5–6, February 2009, Pages 1149-1157
نویسندگان
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