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RESEARCH PAPER

Effects of Catalytic and Dry Low NOx Combustor Turbulence on Endwall Heat Transfer Distributions

[+] Author and Article Information
F. E. Ames, P. A. Barbot, C. Wang

Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202

J. Heat Transfer 127(4), 414-424 (Mar 30, 2005) (11 pages) doi:10.1115/1.1861923 History: Received December 23, 2003; Revised October 12, 2004; Online March 30, 2005
Copyright © 2005 by ASME
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References

Figures

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The large-scale low speed wind tunnel with cascade
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Schematic of the large-scale low speed cascade facility
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Schematic of mock low NOx combustor turbulence generator
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Digital photo of dry low NOx swirlers installed in mock combustor liner
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Digital photo of catalytic combustor surface installed in mock combustor liner
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Comparison between measured and predicted vane midspan pressure distribution, ReC
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Comparison between CC and DLN inlet boundary layers, ReC=500,000 and 2,000,000
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Comparison of 95% span pressure distribution with midspan values, ReC=2,000,000
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Endwall flow visualization using lampblack and oil showing separation saddle point and pressure and suction surface separation lines (see Ref. 6)
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Endwall Stanton number contours, CC, Tu=0.01,Lu=3.8 cm,ReC=500,000
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Endwall Stanton number contours, DLN, Tu=0.134,Lu=8.8 cm,ReC=500,000
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Endwall Stanton number contours, CC, Tu=0.015,Lu=5.2 cm,ReC=1,000,000
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Endwall Stanton number contours, DLN, Tu=0.143,Lu=9.0 cm,ReC=1,000,000
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Endwall Stanton number contours, CC, Tu=0.01,Lu=1.8 cm,ReC=2,000,000
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Endwall Stanton number contours, DLN, Tu=0.142,Lu=10.8 cm,ReC=2,000,000

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