Effects of Inlet-Air Temperature and Humidity on Performance of an LP-Gas Engine 670056

Some effects of controlling temperature and humidity of the inlet air on the maximum power output of an LP-gas engine were determined. The humidity had no significant effect; however, by decreasing the air-fuel mixture temperature an increase in power was obtained. The thermal efficiency of the engine was significantly affected by the temperature of the fuel leaving the regulator. The data presented could contribute to the development of a carburetion system to obtain higher performance from engines converted to burn LP-gas.


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