Abstract

In this paper, we present an overview of a rapid engine prototyping methodology which can be an extremely valuable tool from preliminary engine design optimization to control system development. The methodology comprises several steps which can be used separately or in conjunction. Specifically, the approach consists of: i) linking engine geometry and valve events to in-cylinder flows; ii) linking in-cylinder flows to combustion characteristics; iii) linking combustion characteristics to crank-angle resolved engine simulation results; and iv) linking crank angle-resolved engine simulation results to a mean value dynamic engine/powertrain simulator to develop and optimize control strategies. One of the chief advantages of the proposed methodology is the ability of performing these tasks prior to having an engine prototype built and running on a dynamometer.

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