Paper 10: A Computer Program for Calculating the Performance of an Internal Combustion Engine Exhaust System
- 1 September 1967
- journal article
- other
- Published by SAGE Publications in Proceedings of the Institution of Mechanical Engineers, Conference Proceedings
- Vol. 182 (12) , 91-108
- https://doi.org/10.1243/pime_conf_1967_182_363_02
Abstract
The paper describes the method of presenting data for a computet program, based on the method of characteristics, which calculates the pressure and temperature in the exhaust system and cylinders in two- or four-stroke engines with valves or ports. The program is arranged so that the performance of an exhaust pipe can be assessed for a number of pipe configurations. A brief description of the theoretical background and program format is given, followed by a suggested design calculation procedure. Examples are then given of the application of the program to both two- and four-stroke supercharged engines. The results of the calculation are compared with experimental measurements. A description of the subroutines and the organization of a calculation on the computer, together with the data order are given in two of the appendices.Keywords
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