P. Łagowski, D. Kurczyński, G. Wcisło, B. Pracuch, V. Tomyuk

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Abstract. The article presents the impact of hydrocarbon fuel angle of injection on heat emission characteristics in a compression – ignition AD3.152 engine. The angle of injection has a significant impact on the primary engine operating parameters and combustion process indicators, which include the proportion of combustion which occurs according to kinetic and diffusion models, heat emission rate and the combustion process duration. The characteristics describing emission of a relative heat quantity were determined on the basis of an analysis of actual, indicator diagrams averaged over 100 runs, under the assumption that the combustion process ends by the time the exhaust valve opens. During the test, the engine operated according to an external speed characteristic. Tests were carried out for three fuel angles of injection: 13, 17 and 21 crankshaft rotation degrees.

Keywords: Perkins AD3.152UR engine, heat emission

Angle of injection impact on the combustion process in a compression-ignition engine

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