Numerical Analysis of Spray Characteristic Effects on Ignition and Combustion of Dual-component Fuel and Feasibility Study on Combustion Control

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  • 二成分混合燃料噴霧の着火・燃焼機構と燃焼制御性に関する数値解析
  • ニ セイブン コンゴウ ネンリョウ フンム ノ チャッカ ・ ネンショウ キコウ ト ネンショウ セイギョセイ ニ カンスル スウチ カイセキ

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Abstract

A modeling study has been performed for several kinds of dual-component fuel spray. A source code of SUPERTRAPP developed by NIST has been incorporated into KIVA3V to predict physical fuel properties and vapor-liquid equilibrium. A multistep kinetics Shell ignition model and a global single-step mechanism have been employed to account for low temperature and high temperature oxidation reactions, respectively. The calculated results were in good agreement with experimental ones obtained in a constant volume vessel for wide variety of fuel compositions. Using this model, additional investigation was performed to examine a feasibility of combustion control strategy by means of batch-distillation vaporization process of dual-component fuel.

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