Abstract
The secondary motion of the piston skirt is a key contributor to noise, vibration and harshness (NVH) emissions from an internal combustion engine. Previous works have focused on various mathematical models of piston secondary motion. In the presented work an overview of piston secondary motion is presented. The scope of using a novel indirect method to control this motion is discussed which involves use of vibration dampers. The discussed methodology can be used to design an optimised profile of the skirt to control noise and vibrations emitted and hence satisfy customer benchmarks.
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