排気タービン過給四サイクルディーゼル機関の性能予測

概要

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This paper describes briefly the simulation program for predicting the perfomance of a high speed turbocharged four cycle diesel engine. The wave phenomena in the intake and exhaust systems are calculated by the characteristic mesh method. The combustion process in the power cycle is represented by the heat release pattern which is given by the Wiebe's function or the pattern based on measured values. Turbocharging matching for the engine is described by utilizing the characteristic maps of both the compressor and the turbine, which are obtained from quasi-steady states. A comparison of experimental and calculated results shows a good agreement. Then the influences of the intake system, the period of valve overlap and the characteristics of the turbine are numerically investigated by the simulation.
一般社団法人日本機械学会の論文
1986-08-25