Experimental Study of Flameless Combustion

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Azimizadeh, Ehsaneddin | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 40875 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Farshchi, Mohammad
Abstract:
Flameless Combustion was experimentally studied. In this combustion mode, inlet air is preheated and products are recirculated inside the chamber. Therefore, the reaction zone is spread from a limited front to a wider area with that of a lower peak temperature and very lower Nitrogen Oxides (NOx) production. Controllable parameters are preheating temperature, equivalence ratio, and fuel and air mass flow rates. Applying similar conditions, the flameless combustion was compared to the diffusion flame. Measurable parameters are exhaust temperature and composition, including NOx. Reaction zone homogeneity is observed by photographing inside the combustion chamber through its visual access made of quartz. This thesis results might be used in design of gas turbine combustion chambers and industrial burners to reduce NOx emission and homogeneous temperature profile
Keywords:
Flamless Combustion ; Gas Turbines ; Reduction of Nitrogen Oxides ; Industrial Burner

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