Turbojet Engine Noise Reduction With Mixing Nozzle Ejector Combinations
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Turbojet Engine Noise Reduction With Mixing Nozzle Ejector Combinations
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Author : Willard D. Coles
language : en
Publisher:
Release Date : 1958
Turbojet Engine Noise Reduction With Mixing Nozzle Ejector Combinations written by Willard D. Coles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with Airplanes categories.
Several noise suppressors consisting of combinations of mixing nozzles and ejectors were tested on two full-scale turbojet engines. Maximum sound pressure level reductions of 12 decibels and sound power level reductions of 8 decibels were obtained. The ejectors provided 3 to 5 decibels of the sound power reduction. The effects of ejector dimensions on noise suppression and engine performance were investigated. Ejector lengths of approximately 2.0 standard nozzle diameters and ejector diameters larger than 1.6 standard nozzle diameters provided the greatest additional noise reduction to that obtained with the mixing nozzles alone. The ejector can restore the static thrust loss caused by use of the mixing nozzle or can provide static-thrust augmentation.
Nasa Technical Report
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Author :
language : en
Publisher:
Release Date : 1960
Nasa Technical Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Aerodynamics categories.
The Theory Of Diffusion In Strained Systems
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Author : Louis A. Girifalco
language : en
Publisher:
Release Date : 1959
The Theory Of Diffusion In Strained Systems written by Louis A. Girifalco and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with categories.
Fundamental Study Of Jet Noise Generation And Suppression
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Author : W. C. Sperry
language : en
Publisher:
Release Date : 1961
Fundamental Study Of Jet Noise Generation And Suppression written by W. C. Sperry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Noise categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1967
Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.
Approach
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Author :
language : en
Publisher:
Release Date : 1961
Approach written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1961 with Aeronautics categories.
The naval aviation safety review.
Nasa Memorandum
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1959
Nasa Memorandum written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Aeronautics categories.
Nasa Memorandum
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Author :
language : en
Publisher:
Release Date : 1959
Nasa Memorandum written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Aeronautics categories.
Proceedings Of The Fluid Amplification Symposium
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Author :
language : en
Publisher:
Release Date : 1962
Proceedings Of The Fluid Amplification Symposium written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Fluid amplifiers categories.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1959
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Government publications categories.