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TECHNICAL PAPERS: Natural and Mixed Convection

Conjugate Mixed Convection With Surface Radiation From a Vertical Plate With a Discrete Heat Source

[+] Author and Article Information
C. Gururaja Rao

Department of Mechanical Engineering, Regional Engineering College, Warangal—506 004 (AP), India

C. Balaji, S. P. Venkateshan

Heat Transfer and Thermal Power Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai-600 036, India

J. Heat Transfer 123(4), 698-702 (Nov 25, 2000) (5 pages) doi:10.1115/1.1373654 History: Received May 30, 2000; Revised November 25, 2000
Copyright © 2001 by ASME
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References

Zinnes,  A. E., 1970, “The Coupling of Conduction with Laminar Natural Convection From a Vertical Flat Plate With Arbitrary Surface Heating,” ASME Journal of Heat Transfer, 92, pp. 528–534.
Gorski, M. A., and Plumb, O. A., 1992, “Conjugate Heat Transfer from an Isolated Heat Source in a Plane Wall,” Proc. Winter Annual Meeting of The American Society of Mechanical Engineers, ASME HTD-210, pp. 99–105.
Hossain,  M. A., and Takhar,  H. S., 1996, “Radiation Effect on Mixed Convection Along a Vertical Plate with Uniform Surface Temperature,” Heat and Mass Transfer/Warme-und Stoffubertragung, 31, pp. 243–248.
Cole,  K. D., 1997, “Conjugate Heat Transfer from a Small Heated Strip,” Int. J. Heat Mass Transf., 40, pp. 2709–2719.
Bejan, A., 1984, Convection Heat Transfer, Wiley, New York, pp. 112–114.
Gururaja Rao,  C., Balaji,  C., and Venkateshan,  S. P., 2000, “Numerical Study of Laminar Mixed Convection from a Vertical Plate,” I. J. Trans. Phenomena, 2, pp. 143–157.
Gosman, A. D., Pun, W. M., Runchal, A. K., Spalding, D. B., and Wolfshtein, M., 1969, Heat and Mass Transfer in Recirculating Flows, Academic Press, London, pp. 89–137.
Dehghan,  A. A., and Behnia,  M., 1996, “Combined Natural Convection—Conduction and Radiation Heat Transfer in a Discretely Heated Open Cavity,” ASME Journal of Heat Transfer, 118, pp. 56–64.

Figures

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Schematic of the problem geometry (inset showing an enlarged plate element)
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Grid pattern used for a typical case along with boundary conditions
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Maximum non-dimensional plate temperature with modified Richardson number and surface emissivity for various positions of the discrete heat source
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Percentage heat transfer due to convection and radiation with modified Richardson number and surface emissivity for various positions of the discrete heat source
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Percentage contributions to mean friction coefficient from forced and free convection components

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