The selection of calibration parameters of a 1.3 Multijet engine management system in the aspect of engine performance and exhaust gas compositon
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Publication date: 2008-05-01
Combustion Engines 2008,133(2), 36-43
The objective of passenger car engine tests performed on engine dynamometers, apart from the aspects of operation and durability, is the development in the range of suitable selection of parameters controlling the engine operation. The final selection of these parameters and their verification take place in the course of the tests accomplished with the use of engine dynamometers. The paper presents and discusses the effects of selected calibrations of 1.3 Multijet engine management system on the parameters of its operation and the composition of the exhaust gases. The accomplishment of that subject-matter resolved itself into testing work on an engine dynamometer to verify selected calibrations of the engine management system, developed on the basis of the experience of the authors acquired during their research performed earlier. Bearing in mind that the engine as the object of the testing serves as a power unit in a passenger car, it was assumed that the selection of the operational points of the engine, for which the tests should be performed on an engine dynamometer, should result from the mapping of the engine operation in the area of selected, characteristic phases of the driving test on a chassis dynamometer. The presented test results, exhaust gas composition and smokiness, as well as the overall efficiency for individual calibrations of the management system were put together in a form of bar graphs.
Performance indices of a common rail-system CI engine powered by diesel oil and biofuel blends
Dariusz Kurczyński, Piotr Łagowski
Journal of the Energy Institute
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