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http://dx.doi.org/10.3795/KSME-B.2011.35.9.975

Introduction to Flame Transfer Function in Lean Premixed Gas Turbine Combustor  

Kim, Dae-Sik (School of Mechanical and Automotive Engineering, Gangneung-Wonju Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.35, no.9, 2011 , pp. 975-979 More about this Journal
Abstract
Lean premixed gas turbine combustors were successful in meeting current NOx emission regulations. However, these combustors have been found to be susceptible to combustion instability. In this study, general mechanisms for combustion dynamics and instabilities in lean premixed gas turbine combustors are introduced. In addition, the flame transfer functions in the combustor are experimentally determined. The inputs to the flame transfer function are the imposed velocity fluctuations of the mixture. The key results of the measurements are reviewed.
Keywords
Gas Turbine; Lean Premixed Combustor; Combustion Instability; Flame Transfer Function;
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