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Characterization of an Anechoic Wind Tunnel Facility

[+] Author Affiliations
Jose Mathew, Chris Bahr, Mark Sheplak, Bruce Carroll, Louis N. Cattafesta

University of Florida

Paper No. IMECE2005-81737, pp. 281-285; 5 pages
doi:10.1115/IMECE2005-81737
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Noise Control and Acoustics
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Noise Control and Acoustics Division
  • ISBN: 0-7918-4225-8 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

Acoustic characterization of an anechoic wind tunnel facility at the University of Florida is presented. A previously existing and ISO 3745 validated 100 Hz anechoic chamber is upgraded to incorporate an open-jet anechoic wind tunnel facility suitable for airframe noise studies. The design and preliminary characterization results at 17 m/s was initially presented in reference 1. This paper presents new acoustic characterization data with an empty test section for test section speeds up to UTS = 31.2 m/s. These new measurements show the overall SPL from 100 Hz–20 kHz ranges from 51 dB (re 20 μPa) at 13.4 m/s to 73 dB at 31.2 m/s.

Copyright © 2005 by ASME
Topics: Wind tunnels

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