The dissertation describes the possibilities for the computer-aided acoustic optimization of chain drives in internal combustion engines by means of MBS. To adjust the calculation, the acceleration on the sprocket mounting is measured, with the influences on acoustics being investigated for different chain drive configurations. The calculation model is adjusted to the measurements by means of analyses using FEM and parameter variations. In the computer-aided optimization, the influences which tensioner, tooth gap form, chain guidance and pitch have on acoustics are investigated. Finally, implementation of the findings on various timing chain drives demonstrates the potential which each has to minimize noise.
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The dissertation describes the possibilities for the computer-aided acoustic optimization of chain drives in internal combustion engines by means of MBS. To adjust the calculation, the acceleration on the sprocket mounting is measured, with the influences on acoustics being investigated for different chain drive configurations. The calculation model is adjusted to the measurements by means of analyses using FEM and parameter variations. In the computer-aided optimization, the influences which te...
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