Numerical Investigation of MHD Natural Convection Flow in Porous Media: A Comparative Study of Cavity Geometry Shapes

سال انتشار: 1404
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 82

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شناسه ملی سند علمی:

JR_IJE-38-8_010

تاریخ نمایه سازی: 21 اسفند 1403

چکیده مقاله:

In the current study, we considered a ۲D enclosed porous media in three cases: rectangular, rectangular with chamfer corners, and pentagon with variable hollows. The impact of three cavity shapes, including triangle, rectangle, and lozenge shapes, on the Nusselt number at the local state, vertical velocity, total entropy, horizontal velocity, and isotherm of the porous enclosure is analyzed. The finite element method (FEM) is used to solve governing equations for fluid flow and heat transfer in a saturated non-Darcy porous medium with dissipation influences and radiation, subject to corresponding boundary conditions. In this work, we presented the pentagonal porous media shape (Case ۳) as a novelty. The impact of the dimensionless parameters, such as Eckert number, on velocity profiles and temperature distribution is discussed for nine modes of different porous media geometries with varied hollows. The essential dimensionless parameters have been simulated by employing the following ranges: radiation parameter (۰.۵

نویسندگان

M. Bahmani

Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran

R. Khodady Koochacsaraiy

Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran

M. Mahboobtosi

Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran

P. Jalili

Department of Mechanical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran

M. Shayanmehr

Department of Mechanical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran

B. Jalili

Department of Mechanical Engineering, North Tehran Branch, Islamic Azad University, Tehran, Iran

D. Domiri Ganji

Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran

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