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Development of port fuel injected methanol(M85)-fuelled two-wheeler for sustainable transport

Journal of Traffic and Transportation Engineering(English Edition) 2020年第3期7卷 298-311页

作者： Tushar Agarwal Akhilendra Pratap Singh Avinash Kumar Agarwal Engine R esearch Laboratory Department of Mechanical EngineeringIndian Institute of Technology KanpurKanpur 208016India

Due to increasingly stringent environmental pollution norms,there is a need for alternate combustion techniques and alternate fuels to keep up with changing trends.One of the viable solutions for India is the adaptation of methanol as a fuel for automotive sector.Therefore,in this study a functional two-wheeler prototype was developed,which uses M85(85%v/v methanol and 15%v/v gasoline)in an electronic control unit(ecu)controlled port fuel injected(PFI)engine.This study included comparative investigations of simulated on-road two-wheeler performance on chassis dynamometer using a gasoline-fuelled motorcycle with stock ecu vis-a-vis M85-fuelled motorcycle using recalibrated ecu.ecu recalibration exhibited that M85-fuelled vehicle was operated at relatively more advanced spark timing compared to baseline gasoline-fuelled vehicle.Performance results showed that M85-fuelled motorcycle produced relatively higher engine power and higher maximum vehicle speed compared to gasoline-fuelled motorcycle.Relatively superior acceleration characteristics(especially at higher speeds)of M85-fuelled motorcycle was another important finding of this study,indicating that M85 provided superior throttle response compared to gasoline.Comparative analysis of raw tailpipe emissions showed that modified M85-fuelled motorcycle emitted relatively higher hydrocarbon(HC),carbon monoxide(CO)and oxides of nitrogen(NO_x)emissions compared to stock gasoline-fuelled motorcycle.However,these emissions can be controlled by using adaptation of suitable after-treatment systems.

关键词： Methanol Electronic control unit(ecu) Electronic fuel injection(EFI) ecu calibration Engine performance Emission

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