B305 LOCAL FLAME STRUCTURE IN METHANE-AIR TURBULENT PREMIXED FLAMES(Turbulent flame-1)
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概要
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Direct numerical simulations (DNS) of methane-air turbulent premixed flames propagating in two-dimensional homogeneous isotropic turbulence are conducted to clarify the local flame structure of turbulent premixed flames. Detailed kinetic mechanism including 279 elementary reactions and 49 reactive species are used to simulate methane-air flames in turbulence. From the results of DNS, it is shown that local heat release rates can be correlated with curvatures of the flame elements, and that flames convex toward the burnt gas show large heat release rate. Prompt NO formation is modified by the turbulence-flame interaction. The local NO reaction rate is correlated with the curvature and tangential strain rate at the flame fronts. Flame elements convex toward burnt side and compressed in the tangential direction show large NO production rate.
- 一般社団法人日本機械学会の論文
- 2000-10-01
著者
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Miyauchi Toshio
Department of Mechanical and Aerospace Engineering,Tokyo Institue of Technology
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Miyauchi Toshio
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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TANAHASHI Mamoru
Department of Mechano-Aerospace Engineering, Tokyo Institute of Technology
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Tanahashi Mamoru
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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SAITO Toshihiko
Department of Mechanical and Aerospace Engineering, Tokyo Institute of Technology
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Saito Toshihiko
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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Saito Toshihiko
Department Of Internal Medicine Tokyo Medical College
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Tanahashi Mamoru
Department of Mechanical and Aerospace Engineering, Tokyo Institute of Technology
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Saito Toshihiko
Department of Cardiology, Yaizu City Hospital
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