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Validation of SEA Wind Noise Model for a Design Change
Technical Paper
2003-01-1552
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A wind noise model of a vehicle has been developed using Statistical Energy Analysis (SEA) with measured turbulent pressure data as the source input. Empirical formulas are used to scale the input data for changes in flow and design parameters. Wind tunnel tests have been conducted on a standard and modified vehicle to validate the SEA model and the input scaling. The results show good correlation with both the exterior turbulent pressure levels and the interior sound pressure levels across the audio frequency range.
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Citation
DeJong, R., Bharj, T., and Booz, G., "Validation of SEA Wind Noise Model for a Design Change," SAE Technical Paper 2003-01-1552, 2003, https://doi.org/10.4271/2003-01-1552.Also In
SAE 2003 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V112-6; Published: 2004-09-15
Number: V112-6; Published: 2004-09-15
References
- DeJong R. G. et al. “Vehicle Wind Noise Analysis Using a SEA Model with Measured Source Levels,” SAE Paper No. 2001-01-1629 2001
- Lyon R.H. DeJong R.G. Theory and Application of Statistical Energy Analysis 2nd ed. Butterworth-Heinemann Boston 1995
- Blake W. M. Mechanics of Flow-Induced Sound and Vibration 2 Academic Press London 1986