Hush House-induced vibrations at the Arkansas Air National Guard Facility, Fort Smith, Arkansas. Environmental research papers, 1 October 1986-30 September 1987
The T-10 jet engine ground run-up noise suppressor, or Hush House, was designed to reduce the audible effects of jet engine testing on the surrounding community. At least in part, the noise-suppression characteristics of the Hush House are achieved by the transfer of energy from the audible (> 20 Hz) to the infrasonic range (<20 Hz). At some sites these lower-frequency emissions have had deleterious effects on the vibro-acoustic environment of nearby buildings. This report describes a case study on this problem and demonstrates that existing siting criteria for the Hush House are inadequate; in one case being too stringent and in another case too lax. An acoustic-emissions model for the Hush House is proposed based on multiple jet-type sources.
- Research Organization:
- Air Force Geophysics Lab., Hanscom AFB, MA (USA)
- OSTI ID:
- 6860975
- Report Number(s):
- AD-A-195389/2/XAB; AFGL-TR-87-0320
- Country of Publication:
- United States
- Language:
- English
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