Convective heat transfer of ferrofluid in a lid-driven cavity with a heat-conducting solid backward step under the effect of a variable magnetic field

被引：61

作者：

Gibanov, Nikita S. ^{[1
]}

Sheremet, Mikhail A. ^{[1
,2
]}

Oztop, Hakan F. ^{[3
]}

Nusier, Osama K. ^{[3
,4
]}

机构：

[1] Tomsk State Univ, Lab Convect Heat & Mass Transfer, 36 Lenin Ave, Tomsk 634050, Russia

[2] Tomsk Polytech Univ, Dept Nucl & Thermal Power Plants, Tomsk, Russia

[3] Firat Univ, Fac Technol, Dept Mech Engn, Elazig, Turkey

[4] Jordan Univ Sci & Technol, Civil Engn Dept, Irbid, Jordan

来源：

NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2017年 / 72卷 / 01期

关键词：

MHD MIXED CONVECTION; NATURAL-CONVECTION; SQUARE CAVITY; FE3O4-WATER NANOFLUID; NUMERICAL-SIMULATION; ENTROPY GENERATION; ENCLOSURE; RADIATION; FLOW;

D O I：

10.1080/10407782.2017.1353377

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The effect of variable magnetic field on the mixed convective flow of a ferrofluid within a lid-driven cavity has been analyzed numerically. A heat-conducting solid block is located in the bottom part of the cavity. Governing partial differential equations have been formulated taking into account that the magnetic source is a point source located over the moving lid. Analysis has been performed for a wide range of Hartmann number, nanoparticles volume fraction, and magnetic number. It has been found that the growth of the magnetic number leads to the heat transfer enhancement.

引用

页码：54 / 67

页数：14

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