Browse Publications Technical Papers 852201
1985-11-11

Development Research on Dissociated Methanol Fueled Spark Ignition Engine 852201

An automobile dissociated methanol gas fueled spark ignition engine along with a cold starter and an exhaust dissociator for the engine was developed. The engine was tested for its cold startability, performance, fuel consumption and exhaust emissions to assess its applicability to automobiles.
The cold starter reforms the rich alcohol fuel mixture into dissociated methanol gas through a bubbling process at a cold start and during warmup. This starter allows to start the engine at ambient temperatures as low as −15°C, while resulting in reduced undesirable emissions.
The exhaust dissociator dissociates methanol into hydrogen and carbon monoxide utilizing the waste exhaust heat.
The engine fueld with liquid and dissociated methanol had a thermal efficiency better by about 20 percent than that fueled with gasoline, and gave exhaust emission levels similar to those of gasoline engines.
It is clear that the engine system suggest a high potential for the use of methanol fuel in the future.

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