Modelling of Corrosion of Cylinder Liner in Diesel Engines Caused by Sulphur in the Diesel Fuel 940818

Due to increasing problems with corrosive wear in marine Diesel Engines, caused by sulphuric acid, it is necessary to understand the mechanism of corrosion. Based on experience with large marine diesel engine operation, a mechanism model is proposed and verified by comparison with practical experience. From operation of engines it is known that the corrosion problem is most severe where the lubrication of the liner is most unsatisfactory. Therefore, most effort is put into modelling the formation and transportation of acid in the lubricant film area. Results from modelling the risk of corrosion during different engine operation conditions are presented.


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