The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise Final Report R Martinez Cambridge Acoustical Associates February 1995
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Scientific And Technical Aerospace Reports
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Author :
language : en
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Release Date : 1995-05
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-05 with Aeronautics categories.
The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise Final Report R Martinez Cambridge Acoustical Associates February 1995
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Government Reports Announcements Index
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language : en
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Release Date : 1995-07
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-07 with Science categories.
The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher: Independently Published
Release Date : 2018-11-08
The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise written by National Aeronautics and Space Adm Nasa and has been published by Independently Published this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-08 with Science categories.
The project had two specific technical objectives: (1) to develop a realistic three-dimensional model of tonal noise due to rotor/stator interaction, as the input field for predictions of diffraction and dissipation by a lined cowl; and (2) to determine whether the generator curve of that cowl, or duct, could be 'steered' to yield substantially lower values of propulsor noise along the engine's fore and aft open sectors. The more general and important aim of their research is to provide the commercial aircraft industry with a useful predictive tool to help it meet its noise-reduction goals. The work has produced a tractable and yet realistic model of rotor/stator interaction noise. The blades in the fan stage are radially divergent, twisted, and of realistically wide chords to match the high frequencies and speeds of the sound-production process. The resulting three-dimensional acoustic nearfield insonifies the interior wall of the diffracting cowl, whose shape, incidentally, does not affect fore or aft noise significantly (but other factors do). Martinez, R. Unspecified Center...
The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise
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Author :
language : en
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Release Date : 1995
The Use Of Cowl Camber And Taper To Reduce Rotor Stator Interaction Noise written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Effect Of Rotor To Stator Spacing On Acoustic Performance Of A Full Scale Fan Qf 5 For Turbofan Engines
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Author : J. R. Balombin
language : en
Publisher:
Release Date : 1974
Effect Of Rotor To Stator Spacing On Acoustic Performance Of A Full Scale Fan Qf 5 For Turbofan Engines written by J. R. Balombin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Experimental Investigation Of Rotor Stator Interaction Noise Generation Acoustic Mode Measurements
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Author : T. Zandbergen
language : en
Publisher:
Release Date : 1990
Experimental Investigation Of Rotor Stator Interaction Noise Generation Acoustic Mode Measurements written by T. Zandbergen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Active Control Of Rotor Stator Interaction Noise Through Vibrating Vanes
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Author : J. B. H. M. Schulten
language : en
Publisher:
Release Date : 2001
Active Control Of Rotor Stator Interaction Noise Through Vibrating Vanes written by J. B. H. M. Schulten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Aeroacoustics Of Rotor Stator Interaction And Practical Design Solutions For Noise Abatement
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Author : Rizwan Riaz
language : en
Publisher:
Release Date : 2008
Aeroacoustics Of Rotor Stator Interaction And Practical Design Solutions For Noise Abatement written by Rizwan Riaz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.