Abstract
Works with invaluable much experience obtained in the field of automotive engines, there are still many technological hardships to burn methanol on marine diesel engines because of the differences between marine-and automotive diesel engines, especially in dimension and main particulars.So injection-and combustion characteristics of dual fuel are examined with a high pressurized chamber and an inertial rapid compression machine.As a result, the following fundamentals are obtained:(1) Coefficient of flow rate for methanol is equal that for gas oil.(2) Equation for penetration of gas oil spray can be applied to methanol spray.(3) Methanol flame is blue, which suggests that lesser soot will be generated than gas oil.(4) Combustion characteristics of methanol is influenced considerably by quantity, injection direction and injection timing of pilot fuel.(5) Combustion characteristics of methanol can be made comparable to that of gas oil by adjusting the parameters above mentioned in (4) .
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