Abstract
A mathematical model for numerical simulation of the fuel combustion delay in a diesel engine as a problem of dynamic thermal explosion during the adiabatic compression has been established. Ignition of fuel and air mixture in the local volume is considered at simultaneous evaporation of drops and gas chemical reaction within overall kinetics. Satisfactory correlation of computation and experimental fuel combustion delays on speed ability and load ability of the diesel is obtained. Numerical modeling of ipact of general kinetics constants on the fuel combustion delay is carried out. The features of self-ignition in the diesel are considered at low values of chemical reaction activation energy.
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