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Computer simulation of internal combustion engine flow processes
(South African Institution of Mechanical Engineers, 2002) Van Vuuren, C. M.; Thiart, G. D.; Taylor, A. B.
A computer code for the simulation of internal combustion engine processes is presented. The main objective of the code is to serve as a tool for the design of inlet and outlet manifolds of combustion engines. The code is built around a two-zone thermodynamic combustion model that is linked to a quasi one-dimensional unsteady method of characteristics pipe flow model and a camshaft model. Two simple test cases are presented to show that the pipe flow model functions correctly. Predictions of the crankshaft power delivered by a commercial internal combustion engine computed by means of the code are shown to compare favourably with measured results. An example illustrating the usefulness of the code as a design tool is also presented.