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- W299968447 abstract "Abstract : Hush House infrasonics produced by F-100 engine runs at Otis AFB appear to be generated by a single point source located in the vicinity of the exhaust deflector. The results of this study suggest that a non-vertical jet plume might be an appropriate source model for the Hush House infrasonics. When tested at military power, engines installed on a test stand produce slightly stronger infrasonic emissions than engines installed in an aircraft. The most significant factor in the overall level of infrasonic emissions, however, is whether the engines are run at military power or in afterburner. The azimuthal radiation pattern of infrasonics generated by the Otis Hush House is, in a general sense, comparable to that reported for the Hush House at Luke AFB. The peak sound level observed behind the Hush House at audible frequencies is not generally observed for infrasonic pressure vibrations. In fact, at frequencies lower than about 10 Hz, pressure vibrations are generally greater along the side of the Hush House than behind the facility." @default.
- W299968447 created "2016-06-24" @default.
- W299968447 creator A5075995972 @default.
- W299968447 creator A5077665913 @default.
- W299968447 date "1990-09-10" @default.
- W299968447 modified "2023-09-23" @default.
- W299968447 title "Infrasonic Emissions from the Otis AFB Hush House" @default.
- W299968447 doi "https://doi.org/10.21236/ada230615" @default.
- W299968447 hasPublicationYear "1990" @default.
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