As environmental protection and energy issues become increasingly prominent,methanol as an alternative fuel has gradually attracted attention in the application of engines.Given the significant differences in physical and chemical properties between gasoline and methanol fuels,this article uses the same engine on an engine test bench to verify the impact of these changes on the full-load per-formance of the engine by switching between gasoline and methanol fuels and adjusting different injection pressures and injection pha-ses.At the same time,the root causes of performance differences were analyzed,aiming to provide data support and reference for more rational and efficient use of methanol fuel in engines.
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