SI engine combustion - MIT
Thermodynamic state of charge Fig. 9-5 Cylinder pressure, mass fraction burned, and gas temperatures as function of crank angle during combustion. 11 Burn duration • Burn duration as CA-deg. : measure of burn progress in cycle • For modern fast-burn engines under medium speed, part load condition: – 0-10% ~ 15o – 0-50% ~ 25o
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