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Driving Cycle Simulation of a Vehicle with Gasoline Homogeneous Charge Compression Ignition Engine Using a Low-RON Fuel
Technical Paper
2016-01-2297
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
An improvement of thermal efficiency of internal combustion engines is strongly required. Meanwhile, from the viewpoint of refinery, CO2 emissions and gasoline price decrease when lower octane gasoline can be used for vehicles. If lower octane gasoline is used for current vehicles, fuel consumption rate would increase due to abnormal combustion. However, if a Homogeneous Charge Compression Ignition (HCCI) engine were to be used, the effect of octane number on engine performance would be relatively small and it has been revealed that the thermal efficiency is almost unchanged. In this study, the engine performance estimation of HCCI combustion using lower octane gasoline as a vision of the future engine was achieved. To quantitatively investigate the fuel consumption performance of a gasoline HCCI engine using lower octane fuel, the estimation of fuel consumption under different driving test cycles with different transmissions is carried out using 1D engine simulation code. As a result, combining high compression ratio and Continuously Variable Transmission (CVT) can improve the fuel consumption in HCCI/SI combustion even using lower octane gasoline.
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Citation
Kudo, T., Moriyoshi, Y., Kuboyama, T., Yamada, T. et al., "Driving Cycle Simulation of a Vehicle with Gasoline Homogeneous Charge Compression Ignition Engine Using a Low-RON Fuel," SAE Technical Paper 2016-01-2297, 2016, https://doi.org/10.4271/2016-01-2297.Also In
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