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Title: Simulation of exhaust and intake processes in a four-stroke direct-injection diesel engine by control volume approach
Authors: Reddy, P Ram
Krishna, D Mohan
Malian, K R Govinda
Ganesan, V
Issue Date: Aug-1994
Publisher: NISCAIR-CSIR, India
Abstract: A rigorous mathematical treatment for the determination of the air admission rate by the simulation of the intake and exhaust systems of a four-stroke direct-injection (DI) diesel engine solving the continuity and energy conservation equation in a control volume is presented in this paper. The treatment allows the variation of valve timing, cross-sectional area of the valves, speed of the engine and intake and exhaust manifold pressures and temperatures. The heat transfer effect from the cylinder walls to the gas and vice versa is considered. The methodology adopted for the validation of the data is by comparing the pressure-time histories during suction and exhaust and finally comparing the volumetric efficiencies between the numerical and experimental investigations. From the present study it is concluded that the scheme described in this paper is capable of handling both intake and exhaust process quite satisfactorily.
Page(s): 189-194
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.01(4) [August 1994]

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