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Timing Gear Whine Noise Reduction Methodology and Application in Superchargers
Technical Paper
2005-01-2450
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Extensive experimental and numerical investigations were done to improve the vibration and acoustic performance due to excitation at the timing gears of automotive supercharger. Gear excitation, system response, and covers have been studied to find the most cost efficient method for reducing gear whine noise. Initially, gear excitation was studied where it was found that transmission error due to profile quality was the dominant source parameter for gear whine noise. To investigate the system effects on gear noise, a parametric study was carried using FEM model of the supercharger, with special interests in optimizing dynamic characteristics of internal components and the coupling to supercharger housing. The BEM model of the corresponding supercharger was built to predict the noise improvement after dynamic optimization of the system. Good correlations were observed between experimental and numerical results in both dynamic and acoustic parameters.
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Glover, R., Wang, H., and Koval, J., "Timing Gear Whine Noise Reduction Methodology and Application in Superchargers," SAE Technical Paper 2005-01-2450, 2005, https://doi.org/10.4271/2005-01-2450.Also In
References
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