Original scientific paper

Heat release characteristic in internal combustion engines with M-type fuel injection procedure

Dževad Bibić orcid.org/0000-0003-3762-9243 ; Faculty of Mechanical Engineering, University of Sarajevo
Ivan Filipović ; Faculty of Mechanical Engineering, University of Sarajevo
Aleš Hribernik ; Faculty of Mechanical Engineering, University of Maribor
Boran Pikula ; Faculty of Mechanical Engineering, University of Sarajevo

Abstract

The description of the combustion process in internal combustion engines is typically performed through so-called combustion parameters, such as: the maximum combustion pressure, maximum temperature of the cycle, crankshaft angle of the start of combustion, the angular interval of duration of combustion, the heat release characteristics, thee increment of the total amount of heat developed, the angular interval of combustion delay, the heat transfer etc. Due to the complexity of the combustion process in internal combustion engines to this day there are still no models that could efficiently and above all in a reliable way predict the heat release characteristics for a wide range of different types of IC engines. Phenomenological, empirical and CFD models for specific constructive characters of the engine and fuel applied are targeted explored. The paper presents a procedure for determining the heat release characteristics through approximate functions of combustion, using the example of a very specific way of preparing a mixture of fuel and air in the diesel engine, so-called M-procedure. The applied approximate function is validated through experimental test results on a specific IC engine.

Keywords

IC engine; combustion; approximate function; M-procedure

Hrčak ID:

147316

URI

https://hrcak.srce.hr/147316

Publication date:

30.9.2015.

Article data in other languages: croatian

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