Effect of uniform inclined magnetic field on natural convection and entropy generation in an open cavity having a horizontal porous layer saturated with a ferrofluid

被引：39
|
作者：
Gibanov, Nikita S. [1 ]
Sheremet, Mikhail A. [1 ,2 ]
Oztop, Hakan F. [3 ]
Al-Salem, Khaled [4 ]
机构：
[1] Tomsk State Univ, Lab Convect Heat & Mass Transfer, Tomsk, Russia
[2] Tomsk Polytech Univ, Dept Nucl & Thermal Power Plants, Tomsk, Russia
[3] Firat Univ, Dept Mech Engn, Technol Fac, Elazig, Turkey
[4] King Saud Univ, Dept Mech Engn, Coll Engn, Riyadh, Saudi Arabia
来源：
NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2017年 / 72卷 / 06期
关键词：
LATTICE BOLTZMANN SIMULATION; CU-WATER NANOFLUID; HEAT-TRANSFER; MIXED CONVECTION; VERTICAL CYLINDER; TIWARI; FLOW;
D O I：
10.1080/10407782.2017.1386515
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Numerical analysis of natural convection combined with entropy generation in a square open cavity partially filled with a porous medium has been performed for a ferrofluid under the effect of inclined uniform magnetic field. Governing equations with corresponding boundary conditions formulated in dimensionless stream function and vorticity using Brinkman-extended Darcy model for porous layer have been solved numerically using finite difference method. An influence of key parameters on ferrofluid flow and heat transfer has been analyzed. It has been found that an inclusion of spherical ferric oxide nanoparticles can lead to a diminution of entropy generation in the case of similar flow and heat transfer structures.
引用
收藏
页码：479 / 494
页数：16
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