1992-02-01

Combustion Characteristics in Hydrogen Fueled Rotary Engine 920302

A hydrogen-fueled rotary engine was investigated with respect to the effects of the fuel supply method, spark plug rating and spark plug cavity volume on abnormal combustion. It was found that abnormal combustion was caused by pre-ignition from the spark plugs and gas leakage through the plug hole cavity. The hydrogen-fueled rotary engine could function through a wide operating range at a theoretical air-to-fuel ratio by optimising the above factors. Consequently, the hydrogen-fueled rotary engine achieved output power of up to 63%-75% of the gasoline specification, while the hydrogen-fueled reciprocating engine only reached 50%.

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