A mathematical transient model for the dynamics of a single cylinder diesel engine

This model has been developed for predictions of instantaneous engine speed and torque. The transient of the model represents the diesel engine as a nonlinear dynamic system. The instantaneous crankshaft speed is determined from the solution of the engine-external load dynamics equation, where the engine torque is tracked on a crank-angle basis. The model consists of careful modelling and analysis of all the major forces internal to the engine. It is developed with the aim of investigating different strategies for transient fuel control. Validation of the transient model during rapid engine acceleration shows that both the cyclic fluctuations in the instantaneous crankshaft speed line and the overall engine response are in excellent agreement with experimental measurement