Przegląd modeli procesów spalania w cylindrze silnika tłokowego

Overview of combustion process models in a cylinder of piston engine

  • Dominika Cuper-Przybylska
Keywords: piston engines, mathematical models, combustion process parameters

Abstract

The article presents an analysis of models used to calculate combustion process parameters in piston engines. One of the applied techniques is modeling based on the mathematical description of physical phenomena. The level of complexity of such a description depends, however, on the purpose of the model, the efficiency of calculations and the possibility of obtaining reliable measurement data. The paper presents various methods of modeling phenomena occurring in the cylinder of a Diesel engine. Presented are assumptions and effects of modeling using models from 0-dimensional and single-zone to complex 3-dimensional models, describing the phenomena of turbulent mass movements using computer fluid mechanics.

W artykule znajduje się analiza modeli wykorzystywanych do obliczania parametrów procesu spalania w silnikach tłokowych. Jedną ze stosowanych technik jest modelowanie oparte na opisie matematycznym zjawisk fizycznych. Poziom złożoności takiego opisu uzależniony jest jednak od celu modelu, efektywności obliczeń i możliwości uzyskania wiarygodnych danych pomiarowych. W pracy przedstawiono różne metody modelowania zjawisk zachodzących w cylindrze silnika tłokowego o zapłonie samoczynnym. Przedstawiono założenia i efekty modelowania z zastosowaniem modeli od 0-wymiarowych i jednostrefowych po złożone modele 3-wymiarowe, opisujące zjawiska turbulentnych ruchów mas z zastosowaniem komputerowej mechaniki płynów.

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Published
2018-04-27
Section
Efektywność transportu/Transport efficiency