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ATZ worldwide
Published in: ATZ worldwide 9/2015

01-09-2015 | Research

Hybrid Simulation Method to Predict Flow-induced Car Cabin Noise

Author: Dr.-Ing. Christoph Gabriel

Published in: ATZ worldwide | Issue 9/2015

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Excerpt

The geometry of a vehicle must be optimised very early in relation to the wind noise. For this, a new method was developed at the Friedrich-Alexander-Universität Erlangen-Nürnberg, which allows the simulation technical prediction of wind noise on motor vehicles. For this purpose the development of a novel two-dimensional microphone array was necessary, which allows the separation of acoustic and hydrodynamic waves in a flow field. The Doctoral thesis awarded the Hermann Appel Prize 2014 of IAV in the field vehicle development. …
previous article Powertrain Optimisation of Electric Vehicles

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Literature
[1]
Gabriel, C.: Simulations- und Messverfahren zur Vorhersage des strömungsinduzierten Lärms in der PKW-Fahrgastzelle. Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, dissertation, 2014
[2]
Müller, S.; Becker, S.; Gabriel, C.; Lerch, R.; Ullrich, F.: Flow-Induced Input of Sound to the Interior of a Simplified Car Model Depending on Various Setup Parameters. 19th AIAA/CEAS Aeroacoustics Conference, Berlin, 2013
[3]
Bremner, P. G.; Wilby, J. F.: Aero-Vibro-Acoustics: Problem statement and methods for simulation-based design solution. In: 8th AIAA/CEAS Aeroacoustics Conference, Breckenridge, 2002
[4]
Corcos, G. M.: The resolution of turbulent pressures at the wall of a boundary layer. In: Journal of Sound and Vibration, No. 6 (1967), p. 59CrossRef
[5]
[5] Arguillat, B.; Ricot, D.; Bailly, C.; Robert, G.: Measured wavenumber: frequency spectrum associated with acoustic and aerodynamic wall pressure fluctuations. In: Journal of the Acoustical Society of America, no. 128 (2010), p. 1647
[6]
Bravo, T.; Maury, C.: The experimental synthesis of random pressure fields: Methodology. In: Journal of the Acoustical Society of America, No. 120 (2006), p. 2702CrossRef
[7]
Gabriel, C.; Müller, S.; Ullrich, F.; Lerch, R.: A new kind of sensor array for measuring spatial coherence of surface pressure on a car’s side window. In: Journal of Sound and Vibration, No. 333 (2013), p. 901CrossRef
Metadata
Title
Hybrid Simulation Method to Predict Flow-induced Car Cabin Noise
Author
Dr.-Ing. Christoph Gabriel
Publication date
01-09-2015
Publisher
Springer Fachmedien Wiesbaden
Published in
ATZ worldwide / Issue 9/2015
Electronic ISSN: 2192-9076
DOI
https://doi.org/10.1007/s38311-015-0045-6

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