Numerical analysis of combustion chracteristics of direct-injected gasoline engine with strong tumble flow

摘要

Fuel-vapor behavior and combustion characteristics of a Direct-injected gasolin engine with strong tumble flow were analyzed by numerical simulation. A κ-ε model and a new combustion model proposed by Inage et al. Was used for treatments of turbulence combustion. The combustion reaction was treated using a one-step reaction model. Calculation parameters were fuel injection timing and tumble flow intensity.