Using Mathematical Modeling to Evaluate the Performance of a Passenger Car When Operating on Various Fuels

Ivan Manko, Jonas Matijošius (), Yevheniy Shuba, Alfredas Rimkus, Serhiy Gutarevych and Viktor Slavin
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Ivan Manko: Customer 1st Operations Department, Service Section, CFI “Toyota-Ukraine”, 24-V, Stepan Bandera Ave., 04073 Kyiv, Ukraine
Jonas Matijošius: Department of Automobile Engineering, Faculty of Transport Engineering, Vilnius Gediminas Technical University, J. Basanavičiaus g. 28, LT-03224 Vilnius, Lithuania
Yevheniy Shuba: Department of Engines and Thermal Engineering, Faculty of Automotive and Mechanical Engineering, National Transport University, Mykhaila Omelianovycha-Pavlenka Str. 1, 01010 Kyiv, Ukraine
Alfredas Rimkus: Department of Automobile Engineering, Faculty of Transport Engineering, Vilnius Gediminas Technical University, J. Basanavičiaus g. 28, LT-03224 Vilnius, Lithuania
Serhiy Gutarevych: Department of Motor Vehicle Maintenance and Service, Faculty of Automotive and Mechanical Engineering, National Transport University, Mykhaila Omelianovycha-Pavlenka Str. 1, 01010 Kyiv, Ukraine
Viktor Slavin: Chernivtsi Research Forensic Center, Ministry of Internal Affairs of Ukraine, Heroes of the Maidan Street, 77 D, 58000 Chernivtsi, Ukraine

Energies, 2022, vol. 15, issue 17, 1-11

Abstract: This article presents the results of experimental and computational studies of the performance of a car with a gasoline engine with spark ignition when retrofitted with a system of liquefied petroleum gas (LPG). To analyze the impact of the use of LPG instead of gasoline, the mathematical model of the car’s movement according to the modes of the European driving cycle has been refined. It was established that when using LPG for a car in the driving cycle, fuel consumption in energy units decreases by 10.38%. Gas consumption, determined in mass units, is lower than gasoline consumption. In load modes, this difference is about 8% and in idle mode, it reaches 16–18%. The adequacy of the mathematical model is confirmed by experimental studies of the car on modern equipment with the measurement of fuel efficiency and environmental performance in motion, according to the specified cycle. The deviation of the calculated fuel consumption from the results of experimental studies does not exceed 0.86%. The values of environmental indicators obtained by calculations on the mathematical model differ from the experimental ones by an average of 15%. The conducted studies showed the expediency of using LPG by retrofitting a car with a gasoline engine with an LPG power supply system and the possibility of using mathematical modeling to assess the feasibility of such retrofitting.

Keywords: mathematical model; LPG; fuel economy; environmental performance; alternative fuels; spark ignition engine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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