Aerodynamic noise and its refinement in vehicles

Watkins, S 2010, 'Aerodynamic noise and its refinement in vehicles' in Wang.X (ed.) Vehicle Noise and Vibration Refinement, Woodhead Publishing, Cambridge, United Kingdom, pp. 219-234.


Document type: Book Chapter
Collection: Book Chapters

Title Aerodynamic noise and its refinement in vehicles
Author(s) Watkins, S
Year 2010
Title of book Vehicle Noise and Vibration Refinement
Publisher Woodhead Publishing
Place of publication Cambridge, United Kingdom
Editor(s) Wang.X
Start page 219
End page 234
Subjects Automotive Engineering not elsewhere classified
Summary Aerodynamically generated noise (commonly known as wind noise) is the major source of noise at high speed in a modern car. The sources of in-cabin noise are reviewed and categorised into the source types (monopole, dipole, quadrupole) and the different hydrodynamic/ acoustic mechanisms. Methods of noise reduction are outlined which involve the reduction of the noise source, rather than increases in transmission loss from the external hydrodynamic and acoustic fields to in-cabin. The main tool used in sound measurement (the aeroacoustic wind tunnel) is described.
Copyright notice © 2010 Woodhead Publishing LImited. All rights reserved
Keyword(s) aerodynamic
aeroacoustic
wind noise
cavity
vortex shedding
DOI - identifier 10.1533/9781845698041.3.219
ISBN 9781845694975
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