Abstract
Liquefied petroleum gas (LPG) is a well-known clean alternative fuel for vehicles. In a heavy-duty, liquid-phase LPG injection (LPLi) system, several factors influence the amount of fuel injected. These factors are fuel temperature, fuel injection pressure, battery voltage, and so on. In order to maintain the stoichiometric air-fuel ratio in the cylinder during engine operation, the injected fuel quantity should be controlled accurately. In this study, the characteristics of the injector used in the heavy-duty LPLi engine are investigated experimentally. The fuel injection algorithm, which compensates for the variations in the injection pressure, the fuel temperature and the battery voltage, is developed and verified through engine tests.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
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