Heatline visualization of MHD natural convection in an inclined wavy open porous cavity filled with a nanofluid with a local heater

被引：124

作者：

Bondareva, Nadezhda S. ^{[1
]}

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

Oztop, Hakan F. ^{[3
,4
]}

Abu-Hamdeh, Nidal ^{[4
]}

机构：

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

[2] Tomsk Polytech Univ, Inst Power Engn, Tomsk 634050, Russia

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

[4] King Abdulaziz Univ, Dept Mech Engn, Jeddah, Saudi Arabia

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2016年 / 99卷

关键词：

Open wavy porous cavity; Inclination; MHD free convection; Nanofluid; Corner heater; Heatlines; LATTICE BOLTZMANN SIMULATION; RECTANGULAR CAVITIES; MIXED CONVECTION; SQUARE CAVITIES; MAGNETIC-FIELD; MODEL; ENCLOSURE; CONDUCTION; TIWARI; LAYERS;

D O I：

10.1016/j.ijheatmasstransfer.2016.04.055

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Numerical study of free convection in an inclined wavy open porous cavity filled with a nanofluid under an influence of the uniform magnetic field in the presence of right bottom corner heater of the constant temperature has been carried out. The domain of interest is a tilted tall cavity with aspect ratio 4 having left isothermal wavy wall and open top boundary. A heat source of constant temperature is located at the right bottom corner. Heatline visualization technique is applied to see the heat transport way. Governing equations formulated on the basis of Darcy-Boussinesq approximation with a single-phase nanofluid model have been solved by means of finite difference method. The effects of the Hartmann number, inclination angles of the cavity and magnetic field on the heat transfer and fluid flow at Ra = 1000 have been shown in terms of streamlines, heatlines, isotherms, average Nusselt number and fluid flow rate. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：872 / 881

页数：10

共 31 条

[1] Flow in open C-shaped cavities: How far does the change in boundaries affect nanofluid?
Bakier, M. A. Y.
[J]. ENGINEERING SCIENCE AND TECHNOLOGY-AN INTERNATIONAL JOURNAL-JESTECH, 2014, 17 (03): : 116 - 130
[2] Natural convection in an open square cavity with slots
Bilgen, E.
Muftuoglu, A.
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2008, 35 (08) : 896 - 900
[3] Natural convection heat transfer in partially open inclined square cavities
Bilgen, E
Oztop, H
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2005, 48 (08) : 1470 - 1479
[4] Bejan's heatlines and masslines for convection visualization and analysis
Costa, V. A. F.
[J]. APPLIED MECHANICS REVIEWS, 2006, 59 (1-6) : 126 - 145
[5] Unified streamline, heatline and massline methods for the visualization of two-dimensional heat and mass transfer in anisotropic media
Costa, VAF
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2003, 46 (08) : 1309 - 1320
[6] Heatline method for the visualization of natural convection
Dalal, Amaresh
Das, Manab Kumar
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2008, 51 (1-2) : 263 - 272
[7] Heatline visualization in turbulent flow
Dash, SK
[J]. INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW, 1996, 6 (04) : 37 - 46
[8] Heat transfer in inclined air rectangular cavities with two localized heat sources
Elsherbiny, Samy M.
Ismail, Osama I.
[J]. ALEXANDRIA ENGINEERING JOURNAL, 2015, 54 (04) : 917 - 927
[9] NATURAL-CONVECTION IN OPEN-ENDED CAVITIES WITH A POROUS OBSTRUCTING MEDIUM
ETTEFAGH, J
VAFAI, K
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1988, 31 (04) : 673 - 693
[10] Numerical simulation of natural convection in an open-ended square cavity filled with porous medium by lattice Boltzmann method
Haghshenas, A.
Nasr, M. Rafati
Rahimian, M. H.
[J]. INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER, 2010, 37 (10) : 1513 - 1519

← 1 2 3 4 →