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A Study on NOx Formation Pathway of Methane-Air Lean Premixed Combustion by using PSR Model  

Lee, Bo-Rahm (Department of Mechanical Engineering, Graduate School of Konkuk University)
Kim, Hyun (Department of Mechanical Engineering, Graduate School of Konkuk University)
Park, Jung-Kyu (Department of Mechanical Engineering, Konkuk University)
Lee, Min-Chul (Power Generation Laboratory, Korea Electric Power Research Institute, Korea Electric Power Corporation)
Park, Won-Shik (Power Generation Laboratory, Korea Electric Power Research Institute, Korea Electric Power Corporation)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.17, no.5, 2009 , pp. 46-52 More about this Journal
Abstract
In this study the predictions of NOx in methane-air lean premixed combustion in PSR were carried out with GRI 3.0 methane-air combustion mechanism and Zeldovich, nitrous oxide, prompt, and NNH NO formation mechanism by using CHEMKIN code. The results are compared to the JSR experimental data of Rutar for the validation of the model. This study concerns about the importance of the chemical pathways. The chemical pathway most likely to form the NO in methane-air lean-premixed combustion was investigated. The results obtained with the 4 different NO mechanisms for residence time(0.5-1.6ms) and pressure(3, 4.7, 6.5 atm) are compared and discussed.
Keywords
Lean premixed combustion; Methane-air combustion; PSR(Perfectly Stirred Reactor); JSR(Jet Stirred Reactor); NO formation pathway;
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