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TECHNICAL PAPERS: Combustion and Gas Turbine Heat Transfer

Heat Transfer Characteristics of a Pair of Impinging Rectangular Flame Jets

[+] Author and Article Information
L. L. Dong, C. W. Leung, C. S. Cheung

Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

J. Heat Transfer 125(6), 1140-1146 (Nov 19, 2003) (7 pages) doi:10.1115/1.1621901 History: Received November 26, 2002; Revised July 22, 2003; Online November 19, 2003
Copyright © 2003 by ASME
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References

Figures

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Coordinate system of the impingement plate
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Coordinate system of the impingement plate
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(a) Photographs of impinging flame jets along the x-axis (Re=800; S/de=0.9;H/de=1; ϕ=1); (b) Photographs of impinging flame jets along the x-axis (Re=800; S/de=0.9;H/de=2; ϕ=1); (c) Photographs of impinging flame jets along the x-axis (Re=800; S/de=0.9;H/de=6; ϕ=1); (d) Photographs of impinging flame jets along the y-axis (Re=800; S/de=0.9;H/de=1; ϕ=1); (e) Photographs of impinging flame jets along the y-axis (Re=800; S/de=0.9;H/de=2; ϕ=1); and (f) Photographs of impinging flame jets along the y-axis (Re=800; S/de=0.9;H/de=6; ϕ=1).
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(a) Photographs of impinging flame jets along the x-axis (Re=800; S/de=2;H/de=1; ϕ=1); (b) Photographs of impinging flame jets along the x-axis (Re=800; S/de=2;H/de=2; ϕ=1); and (c) Photographs of impinging flame jets along the x-axis (Re=800; S/de=2;H/de=6; ϕ=1).
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(a) Photographs of impinging flame jets along the x-axis (Re=800; S/de=4.1;H/de=1; ϕ=1); and (b) Photographs of impinging flame jets along the x-axis (Re=800; S/de=4.1;H/de=2; ϕ=1).
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(a) Heat flux contour at Re=800, S/de=0.9,H/de=1 and ϕ=1; (b) Heat flux contour at Re=800, S/de=2,H/de=1 and ϕ=1; and (c) Heat flux contour at Re=800, S/de=4.1,H/de=1 and ϕ=1.
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Effect of S/de on heat flux distribution along the x-axis
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Effect of H/de on heat flux distribution along the x-axis
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Comparison of average heat fluxes at x and y axes
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Comparison of stagnation point heat flux with single jet at Re=800

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