Statistical Analysis of Pressure Indicator Data of an Internal Combustion Engine 770882

A statistical indicator data analyzer has been developed, which is able to analyze various combustion characteristics such as rate of pressure increase, heat release rate, etc., from indicator data of four hundred (400) combustion cycles of each cylinder of a multicylinder engine.
Statistical analyses on cycle-by-cycle variation of indicated mean effective pressure (imep) were made under various combinations of fuel systems and combustion chamber configurations to clarify those effects. The contribution of characteristics on the variation of imep was made clear to some extent.


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