TECHNICAL PAPERS: Gas Turbines: Combustion and Fuel

Predictions of NOx Formation Under Combined Droplet and Partially Premixed Reaction of Diffusion Flame Combustors

[+] Author and Article Information
N. K. Rizk, J. S. Chin, A. W. Marshall, M. K. Razdan

Rolls-Royce Allison, Indianapolis, IN 46206

J. Eng. Gas Turbines Power 124(1), 31-38 (Mar 01, 1999) (8 pages) doi:10.1115/1.1391280 History: Received October 01, 1998; Revised March 01, 1999
Copyright © 2002 by ASME
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Calculated gas temperatures in production combustor flow field at takeoff conditions
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NOx formation under takeoff conditions in production combustor
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Equivalence ratio distribution under engine part load conditions
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Idle equivalence ratio profiles
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Variation of NOx formation with axial distance of production combustor
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Cumulative NOx formation in production combustor
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Estimation Φ distribution in experimental combustor
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Estimation of NOx formation profiles in experimental combustor
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Reactor network for production combustor
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Fuel/air stoichiometry in main combustor zone
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Equivalence ratio profiles at takeoff mode in a production combustor
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Reactor model for diffusion flame simulation
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NOx emissions of experimental combustor
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Simulation of Φ distribution in primary zone
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Comparison between model calculations and measurements of NOx



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