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Presented paper describes the most important modifications recently introduced to the high power engine piston-cylinder assembly and an analysis of effect of these changes on collaboration between rings and cylinder liner. One of the key issues brought about in the paper is the evaluation of constructional modifications performed on piston-cylinder assembly elements and their effect on oil film quality...
Friction losses generated in engine kinematic nodes have an essential effect on its general efficiency. Measurement of these losses and indication of areas where they are generated can contribute to their minimization at the stage of engine design and during its operation as well. Most of the loss measurement methods requires an intervention in engine construction. The method of engine motoring does...
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