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METHOD FOR DECIDING CHEMICAL REACTION RATE CONSTANT USED FOR ENGINE COMBUSTION SIMULATION AND ENGINE COMBUSTION SIMULATION METHOD
METHOD FOR DECIDING CHEMICAL REACTION RATE CONSTANT USED FOR ENGINE COMBUSTION SIMULATION AND ENGINE COMBUSTION SIMULATION METHOD
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机译:确定用于发动机燃烧模拟的化学反应速率常数的方法和发动机燃烧模拟方法
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摘要
PROBLEM TO BE SOLVED: To provide a method for deciding a chemical reaction rate constant used for a combustion simulation, capable of accurately reproducing combustion reaction in an engine with a reduced calculation load.SOLUTION: A method for deciding a chemical reaction rate constant used for a combustion simulation, comprises the processes to: identify a fuel component species included in object fuel; select chemical reaction formulas to be used for a combustion simulation among chemical reaction formulas describing ignition phenomenon of the fuel component species; specify the chemical reaction formula which has relatively high sensitivity to generation amounts of HCHO and HOduring a low temperature oxidation reaction and another chemical reaction formula which has relatively high sensitivity to a reaction temperature during thermal ignition time; and optimize a chemical reaction rate constant of each of the specified chemical reaction formulas so that low temperature oxidation reaction time and the thermal ignition time calculated through a combustion simulation respectively coincide with predetermined target low temperature oxidation reaction time and target thermal ignition time.SELECTED DRAWING: Figure 2
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