Characterization of Manifold Dynamics in the Chrysler 2.2 S.I. Engine by Measurements and Simulation 900679

A combined experimental/analytical study was made of a 2.2ℓ production engine. The objective was to characterize the performance of the engine and the pressure wave dynamics in its manifolds, and to compare the data/predictions obtained using an engine simulation program. Description of the computer program is given, providing an overview of its capabilities and of the models it contains. The data was obtained at wide open throttle, at four engine speeds from 1600 rpm to 4800 rpm. The comparisons showed the ability of the simulation to predict the major features of the wave dynamics, including the amplitude, frequency and phasing of the waves, and their tuning and de-tuning at the various engine speeds.


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