Modeling of the combustion process in a diesel engine
Dostiyarov A.M. Umishev D.R. Saduakasova G.B. Mergalimova A.K. Ongar B.
2021National Academy of Sciences of the Republic of Kazakhstan
News of the National Academy of Sciences of the Republic of Kazakhstan, Series of Geology and Technical Sciences
2021#2Issue 44668 - 73 pp.
The issues of combustion processes and the organization of the combustion workflow in diesel engines are relevant in view of the tightening of economic and environmental requirements for them. The problem of saving liquid fuels remains one of the most acute in the provision of fuel and energy resources. The development of highly efficient methods for organizing work processes when burning natural gas in a compressed or cryogenic state in the cylinders of internal combustion piston engines and determining ways to further reduce toxic emissions, increase fuel efficiency and reliability in promising gas engines is an urgent task. Mathematical modeling of liquid fuel combustion is a complex task, since it requires taking into account a large number of complex interrelated processes and phenomena. The article presents a simple 3-D model of cylinder diesel tractor engine D 144, the results of numerical simulation of combustion of liquid and gaseous fuel in the cylinder of the diesel engine D-144. The article presents the results of modeling, including graphs of the dependence of nitrogen oxides, particles in outgoing gases, depending on the consumption of gaseous fuel in the form of pure methane. Additionally, tempe-rature and velocity contours are shown. The corresponding conclusions are made.
Internal combustion engine , Liquid fuel , Nitrogen oxides , Simulation
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Kazakh Agrotechnical University named after S. Seifullin, Nur-Sultan, Kazakhstan
Almaty University of energy and communications, Almaty, Kazakhstan
Kazakh Academy of Transport and Communications named after M. Tynyshpaev, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Kazakh Agrotechnical University named after S. Seifullin
Almaty University of energy and communications
Kazakh Academy of Transport and Communications named after M. Tynyshpaev
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