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Technical Briefs

Effect of Geometry on the Conjugate Heat Transfer of Wall Jet Flow Over a Backward-Facing Step

[+] Author and Article Information
P. Rajesh Kanna1

Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India

Manab Kumar Das2

Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781039, India

1

Present address: Associate Professor, Department of Mechanical Engineering, Kalasalingam University, Krishnankoil, India; e-mail: prkanna@gmail.com

2

Corresponding author. Present address: Associate Professor, Department of Mechanical Engineering, India Institute of Technology Kharagpur, Kharagpur 721302, India; e-mail: manab@mech.iitkgp.ernet.in

J. Heat Transfer 131(11), 114501 (Aug 19, 2009) (7 pages) doi:10.1115/1.2717251 History: Received July 14, 2006; Revised January 03, 2007; Published August 19, 2009

Conjugate heat transfer study of a backward-facing step cooled by a two-dimensional laminar incompressible wall jet has been carried out. The study is performed to find the isotherm patterns, conjugate interface temperature, local Nusselt number and average Nusselt number by varying the geometry of the solid slab. Different step length, step height, and slab thickness are considered for conjugate heat transfer study.

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Copyright © 2009 by American Society of Mechanical Engineers
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References

Figures

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Figure 7

Local Nusselt number distribution: effect of w(Re=400,Pr=1,k=5,l=2,s=1)

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Figure 6

Local Nusselt number distribution: effect of s(Re=400,Pr=1,k=5,l=2,w=1)

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Figure 5

Local Nusselt number distribution: effect of l(Re=400,Pr=1,k=5,s=1,w=1)

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Figure 4

Conjugate interface temperature: effect of w(Re=400,Pr=1,k=5,l=2,s=1)

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Figure 3

Conjugate interface temperature: effect of s(Re=400,Pr=1,k=5,l=2,w=1)

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Figure 2

Conjugate interface temperature: effect of l(Re=400,Pr=1,k=5,s=1,w=1)

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Figure 1

Schematic diagram and boundary conditions

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