Turbulence and Mixing in Turbulent Premixed Flames : Fine Flame Structure and Its Influence on Mixing Processes

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概要

• 論文の詳細を見る

• Confined turbulent premixed flames stabilized by a pilot flame were investigated to elucidate the local fine structure of flames and its influence on mixing processes in the combustor. The fine flame structure was classified on the basis of the measured turbulence characteristics, and the probability density functions (PDF's) of local fluctuating velocity and temperature were examined in detail. A plateaulike distribution in the temperature PDF, which may correspond to a "distributed reaction zone", was observed in a limited portion of the flame in addition to a typical bimodal distribution corresponding to the structure of a "wrinkled laminar flame" or "laminar flamelets". The influence of the fine flame structure on the mixing processes was examined using an inert gas tracer.

• 一般社団法人日本機械学会の論文
• 1990-08-15

著者

• Yasuda Toshihiko

  Hitachi Zosen Research Laboratory

• Takahashi T

  Presently Staff College Japan Ground Self-defense Force

• Mizutani Y

  Department Of Mechanical Engineering Osaka University

• Mizutani Yukio

  Department Of Mechanical Engineering Faculty Of Engineering Osaka University

• Takahashi Takeo

  Department Of Radiation Oncology Gunma University Graduate School Of Medicine

• Katsuki M

  Osaka Univ. Osaka Jpn

• Katsuki Masashi

  Department Of Mechanical Engineering Faculty Of Engineering Osaka University

• Kurosawa Yoji

  National Aerospace Laboratory

• Kurosawa Y

  National Aerospace Lab. Tokyo Jpn

• KOBAYASHI Kazuya

  Mitsubishi Heavy Industry

• Takahashi Takeo

  Department Of Anesthesiology Sapporo Medical College And Hospital

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