On Combustion Noise and Working Stability of 6130Q Diesel Engine 911072

In this paper, the authors analyse the effect of combustion process upon the combustion noise and working stability of 6130Q D.I. diesel engine, and point out that the higher combustion noise is caused by excessive premixed combustion. In order to improve engine noise it is need to decrease the injection quantity in delay period.
The fluctuation of working cycles is mainly effected by the injection pump rack shaking and auto-advancer oscillating. By improving the matching of spring rigidity and mass the working stability can be improved.


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