高圧条件下における燃料液滴の蒸発および燃焼

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タイトル別名
  • Evaporation and Combustion of Fuel Droplets in High Pressure Environments
  • コウアツ ジョウケン カ ニ オケル ネンリョウ エキテキ ノ ジョウハツ オヨビ ネンショウ

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抄録

<p>Spray combustion is utilized in many industrial devises such as gas turbine engine and diesel engine. Therefore, the spray combustion behavior has been studied by many researchers experimentally and numerically. However, the mechanism of spray combustion has not been fully understood yet. In particular, the effects of ambient pressure on the spray combustion behavior have not been well clarified mainly because the combustion conditions and the acquired properties are extremely limited due to the difficulty of the measurements. In this article, authors' recent numerical works on the effects of ambient pressure on evaporation and combustion of fuel droplets are introduced. The characteristics of (1) evaporation of a single droplet in a quiescent flow, (2) evaporation and combustion of multiple fuel droplets in an initially-quiescent flow, and (3) a turbulent spray jet flame in high pressure environments obtained by Direct Numerical Simulation (DNS) or Large-Eddy Simulation (LES) are summarized.</p>

収録刊行物

  • 日本燃焼学会誌

    日本燃焼学会誌 56 (175), 31-38, 2014

    一般社団法人 日本燃焼学会

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