The Generation And Radiation Of Supersonic Jet Noise Volume Iv Theory Of Turbulence Generated Jet Noise Noise Radiation From Upstream Sources And Combustion Noise
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The Generation And Radiation Of Supersonic Jet Noise Volume Iv Theory Of Turbulence Generated Jet Noise Noise Radiation From Upstream Sources And Combustion Noise
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Author : Geoffrey M. Lilley
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Volume Iv Theory Of Turbulence Generated Jet Noise Noise Radiation From Upstream Sources And Combustion Noise written by Geoffrey M. Lilley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.
The report presents a series of specific theoretical studies directed toward the solution of jet noise generation and radiation, upstream noise radiation and combustion noise generation. Three theories are presented. Lilley's work is a new theory of jet noise generation, based on identification of acoustic and source generation terms. The acoustic 'converted wave equation' derived includes the Pridmore-Brown/Mungur shear refraction term. Plumblee presents a theoretical analysis and numerical solution techniques for solving for the radiation field from a source within a jet flow and specifically deals with radiation from an acoustic distribution initally specified at the end of a circular exhaust duct termination through the jet flow to the surrounding medium. Finally, Strahle presents a theory on afterburner type combustion noise generation and radiation. Order of magnitude analyses are made in an attempt to estimate acoustic power levels and refraction effects are also investigated. (Author).
The Generation And Radiation Of Supersonic Jet Noise Theory Of Turbulence Generated Jet Noise Noise Radiation From Upstream Sources And Combustion Noise
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Author :
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Theory Of Turbulence Generated Jet Noise Noise Radiation From Upstream Sources And Combustion 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 1972 with Jet planes categories.
The Generation And Radiation Of Supersonic Jet Noise
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Author : Geoffrey M. Lilley
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise written by Geoffrey M. Lilley and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Jet planes categories.
The report presents a series of specific theoretical studies directed toward the solution of jet noise generation and radiation, upstream noise radiation and combustion noise generation. Three theories are presented. Lilley's work is a new theory of jet noise generation, based on identification of acoustic and source generation terms. The acoustic 'converted wave equation' derived includes the Pridmore-Brown/Mungur shear refraction term. Plumblee presents a theoretical analysis and numerical solution techniques for solving for the radiation field from a source within a jet flow and specifically deals with radiation from an acoustic distribution initally specified at the end of a circular exhaust duct termination through the jet flow to the surrounding medium. Finally, Strahle presents a theory on afterburner type combustion noise generation and radiation. Order of magnitude analyses are made in an attempt to estimate acoustic power levels and refraction effects are also investigated. (Author).
The Generation And Radiation Of Supersonic Jet Noise Summary Of Supersonic Jet Noise Studies
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Author :
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Summary Of Supersonic Jet Noise Studies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Jet planes categories.
The Generation And Radiation Of Supersonic Jet Noise Future Studies For Definition Of Supersonic Jet Noise Generation And Reduction Mechanisms
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Author :
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Future Studies For Definition Of Supersonic Jet Noise Generation And Reduction Mechanisms written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Jet planes categories.
The Generation And Radiation Of Supersonic Jet Noise Volume 1 Summary Of Supersonic Jet Noise Studies
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Author :
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Volume 1 Summary Of Supersonic Jet Noise Studies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.
This is a summary report of the results of a 13-month research program on the generation and reduction of supersonic jet noise. This program was planned as the first phase of a four-phase effort. Tasks compromising this Phase 1 program were as follows: reviews and evaluation of existing theoretical models for supersonic jet noise generation and radiation; development of the framework of a new, unified theory of aerodynamic noise; development of a new theoretical model of turbulent mixing region noise; development of a new theoretical model for calculating propagation and radiation of upstream noise; a preliminary review of combustion noise; tests on turbulent mixing region noise and shock-associated noise; review of the problems of jet flow measurement and analysis; development of new instrumentation for jet flow measurement; establishment of full facilities for the total program; formulation of the program for future studies.
The Generation And Radiation Of Supersonic Jet Noise Append 2 Shock Associated Noise Data
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Author :
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Append 2 Shock Associated Noise Data written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Jet planes categories.
The Generation And Radiation Of Supersonic Jet Noise Progress Toward A Unified Theory Of Jet Engine Noise
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Author : Lockheed-Georgia Company
language : en
Publisher:
Release Date : 1972
The Generation And Radiation Of Supersonic Jet Noise Progress Toward A Unified Theory Of Jet Engine Noise written by Lockheed-Georgia Company and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Jet planes categories.
Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1973
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 1973 with categories.
The Generation And Radiation Of Supersonic Jet Noise Volume 2 Studies Of Jet Noise Turbulence Structure And Laser Velocimetry
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Author :
language : en
Publisher:
Release Date : 1976
The Generation And Radiation Of Supersonic Jet Noise Volume 2 Studies Of Jet Noise Turbulence Structure And Laser Velocimetry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with categories.
This volume discusses (1) turbulent mixing noise tests and observations relative to effects of temperature and Mach number on intensity, directivity, and spectra; (2) numerical solutions of the Lilley theory for sound radiated from point sources simulating small-scale turbulence noise sources, and comparisons of these solutions with experimental data relating to temperature and velocity effects on directivity and spectra; (3) the theory describing the development of the large-scale coherent motion of the jet structure and the far- field noise radiated from this turbulence; (4) a detailed discussion and interpretation of the jet turbulence and mean velocity data; and (5) a comprehensive description of the shock-associated noise tests, a preliminary description of the broadband shock-associated noise model, and a discussion of shock-associated noise in the overall jet noise picture.
