Browse Publications Technical Papers 2002-01-2802
2002-10-21

A Simulation Model for Gasoline Engine Cold Start Fuel Calibration 2002-01-2802

The paper presents a simulation model for the cold start fuel calibration (CSFC) in port-fuel-injected gasoline engines. The model is based on data that is readily available during regular engine tests. The model has been applied to a 2.4L, 4-cylinder, 16 valve, DOHC, multipoint-port-fuel-injection spark ignition gasoline engine. The model determines the amount of fuel vaporized in the intake port at any crank angle degree, and in the cylinder on cycle-by-cycle basis, during the cold start process.

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