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RESEARCH PAPERS: Forced Convection

Magnetohydrodynamic Convective Flow of a Micropolar Fluid Past a Continuously Moving Vertical Porous Plate in the Presence of Heat Generation/Absorption

[+] Author and Article Information
M. M. Rahman1

Department of Mathematics, University of Dhaka, Dhaka-1000, Bangladeshmansurdu@yahoo.com

M. A. Sattar

Department of Computer Science & Engineering, North South University, 12 Banani C/A, Kemal Ataturk Avenue, Dhaka-1213, Bangladesh

1

Corresponding author.

J. Heat Transfer 128(2), 142-152 (Aug 02, 2005) (11 pages) doi:10.1115/1.2136918 History: Received November 29, 2004; Revised August 02, 2005

Magnetohydrodynamic convective flow and heat transfer of a micropolar fluid past a continuously moving vertical porous plate in the presence of heat generation/absorption with constant suction has been analyzed numerically. With appropriate transformations the boundary layer equations are transformed into nonlinear ordinary differential equations. The local similarity solutions of the transformed dimensionless equations for the flow, microrotation, and heat transfer characteristics are evaluated using Nachtsheim-Swigert shooting iteration technique. Numerical results are presented in the form of velocity, microrotation, and temperature profiles within the boundary layer for different parameters entering into the analysis. Also the effects of the pertinent parameters on the local skin friction coefficient and rate of the heat transfer in terms of the local Nusselt number are also discussed.

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

Flow configuration

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Figure 2

Comparison of g(η) with El-Arabawy (18)

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Figure 3

Velocity profile for different Δη

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Figure 4

(a) Velocity, (b) microrotation, and (c) temperature profiles for different values of Fw

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Figure 5

(a) Velocity, (b) microrotation, and (c) temperature profiles for different values of γ

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Figure 6

(a) Velocity, (b) microrotation, and (c) temperature profiles for different values of M

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Figure 7

(a) Velocity, (b) microrotation, and (c) temperature profiles for different values of Pr

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Figure 8

(a) Velocity, (b) microrotation, and (c) temperature profiles for different values of Q

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Figure 9

Microrotation profile for different G1

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Figure 10

Same as Fig. 9 for different n

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Figure 11

(a) Local skin friction and (b) Nusselt number for different values of Fw and γ

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Figure 12

(a) Local skin friction and (b) Nusselt number for different values of M and K

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Figure 13

(a) Local skin friction and (b) Nusselt number for different values of Pr and Q

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Figure 14

(a) Local skin friction and (b) Nusselt number for different values of G1 and n

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