1981-11-01

Smokeless, Low NOx, and Low Noise Diesel Combustion with Methanol as a Main Fuel 811375

In order to obtain improved combustion of methanol in a dual fuel diesel engine, both methanol and gas oil as an auxiliary fuel were injected into a pre-combustion chamber.The effects of proportion and timing of the auxiliary fuel injection, and the main injection timing on the engine performance and on emissions were investigated.As a result, with methanol 95% of total energy input, combustion took place without misfiring or knocking. The combustion was smokeless, smoother, with lower NOx, and lower noise than for usual combustion with gas oil. The thermal efficiency was maintained at the same level as in conventional diesel operation.

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