1987-09-01

Modeling Diesel Engine Performance 871615

An analytical technique is described to predict the performance of diesel engines. A set of equations are developed from an actual engine test or a performance map to predict fuel consumption as a function of engine speed and torque. The methodology uses a two-dimensional polynomial to predict fuel consumption as a function of engine speed and torque requiring nine engine specific coefficients or a one-dimensional polynomial as a function of engine torque requiring three coefficients only.

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