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An Analytical Methodology for Engine Gear Rattle and Whine Assessment and Noise Simulation
Technical Paper
2019-01-0799
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In this paper, a CAE methodology based on a multiphysics approach for engine gear noise evaluation is reviewed. The method comprises the results and outputs from several different analytical domains to perform the noise risk assessment. The assessment includes the source-path analysis of the gear-induced rattling and whining noise. The vibration data from the exterior surface of the engine is extended through acoustic analysis to perform the engine noise simulation and to identify acoustic hot spots contributing to the noise. The study includes simulations under different engine loading conditions with results presented in both time and frequency domains. Various sensitivity analyses involving different gear geometries and micro-geometries are investigated as well. Finally, the simulation results from three different engines are compared vis-a-vis.
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Authors
Citation
Moetakef, M., Zouani, A., Felice, M., Baumann, J. et al., "An Analytical Methodology for Engine Gear Rattle and Whine Assessment and Noise Simulation," SAE Technical Paper 2019-01-0799, 2019, https://doi.org/10.4271/2019-01-0799.Data Sets - Support Documents
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References
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