1991-11-01

Study on the Prediction of Volumetric Efficiency for the 4-Cylinder 4-Cycle Diesel Engine 912466

In this study, a computer program has been developed which predicts the variation of the volumetric efficiency with the change of design of the intake system effectively by the analysis of the flow in each part of a multi-cylinder compression ignition engine. For the calculation of the flow in the intake and exhaust systems, the method of characteristics has been used, and the double Wiebe's function has been adopted for the calculation of the heat release rate in the cylinders. The accuracy of presented method has been proved through the comparison between the simulation and the experimental results over the various engine speeds and intake pipe lengths.

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