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TECHNICAL PAPERS

Effects of Jet Reynolds Number on the Performance of Axisymmetric and Nonaxisymmetric Gas Burner Flames

[+] Author and Article Information
Azfar Kamal

GE Appliances, Louisville, KY 40025e-mail: azfar.kamal@appl.ge.com

S. R. Gollahalli

School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, OK 73019 e-mail: gollahal@ou.edu

J. Energy Resour. Technol 123(2), 167-172 (Nov 10, 2000) (6 pages) doi:10.1115/1.1367858 History: Received July 31, 1999; Revised November 10, 2000
Copyright © 2001 by ASME
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References

Figures

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Effect of burner exit Reynolds number on the air entrainment into the flames of circular and elliptic burners (NE=no. of moles of air into elliptic burner flames, NC=no. of moles of air into circular burner flame). Number following E indicates the burner aspect ratio.
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Emission indices of NO, NO2, and CO from the circular and elliptic burner flames at three burner exit Reynolds numbers; left Re=9400; middle Re=14,000, right Re=19,000 (EIE=emission index in the elliptic burner flames, EIC=emission index in the circular burner flame; at Re=9400EINO=12.7 ng/J,EINO2=4.95 ng/J,EICO=96.8 ng/J; at Re=14,000EINO=15.6 ng/J,EINO2=0.95 ng/J,EICO=46.5 ng/J; at Re=19,000EINO=16.2 ng/J,EINO2=0.62 ng/J,EICO=37.7 ng/J).
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Effect of burner exit Reynolds number on radiative fraction from circular and elliptic burner flames
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Effect of burner exit Reynolds number on visible length of flames from circular and elliptic burners
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Effects of burner exit Reynolds number on temperature profiles in the near-nozzle region (X/D=5) of circular and elliptic burner flames
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Effect of burner exit Reynolds number on temperature profiles in the far-nozzle region (X/D=130) of circular and elliptic burner flames
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Effects of burner exit Reynolds number on soot concentration in flames from circular and elliptic burners
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(a) Experimental arrangement. (b) Dimensions of the burner tubes: circular burner C(D=5.2 mm); elliptic E1 (2a=7.2 mm,2b=3.7 mm); elliptic E3 (2a=9 mm,2b=3 mm); elliptic E4 (2a=10.4 mm,2b=2.6 mm).

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