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Mechanics of Sound Generation in Flows

Mechanics of Sound Generation in Flows

Joint Symposium Göttingen/Germany, August 28–31, 1979 Max-Planck-Institut für Strömungsforschung

Aus der Reihe

Fr. 137.00

inkl. gesetzl. MwSt.
Versandkostenfrei

Beschreibung

Details

Einband

Taschenbuch

Erscheinungsdatum

13.12.2011

Herausgeber

E.-A. Müller

Verlag

Springer Berlin

Seitenzahl

302

Beschreibung

Details

Einband

Taschenbuch

Erscheinungsdatum

13.12.2011

Herausgeber

E.-A. Müller

Verlag

Springer Berlin

Seitenzahl

302

Maße (L/B/H)

23.5/15.5/1.8 cm

Gewicht

493 g

Auflage

Softcover reprint of the original 1st ed. 1979

Sprache

Englisch

ISBN

978-3-642-81411-2

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  • Mechanics of Sound Generation in Flows
  • Tuesday, 28th August.- General Lecture: Why do the acoustics and the dynamics of a hypothetical mean flow bear on the issue of sound generation by turbulence?.- Sound radiation from a simulated jet flow.- Low frequency sound radiation due to the interaction of unsteady flows with a jet pipe.- Sound sinks in flows, a real possibility?.- Radiation properties of a turbulent jet excited by a sinusoidal acoustic disturbance.- The effects of upstream tones on the large scale instability waves and noise of jets.- Shear layer instability noise produced by various jet nozzle configurations.- On the radiation of sound by the instability waves of a compressible axisymmetric jet.- Sound generation by flow-acoustic coupling.- Near-wake structure and unsteady pressures at trailing edges of airfoils.- Investigation of trailing-edge noise.- Wednesday, 29th August.- General Lecture: Modelling low Mach number noise.- A study of production and stimulated emission of sound by vortex flows.- Aerodynamic sound generation by unsteady subsonic flows around rigid bodies.- Acoustic radiation from bodies in unsteady flows.- Influence of closely located solid surfaces on the sound spectra radiated by gas j ets.- Sound generation by head-on collision of two vortex rings.- Thursday, 30th August.- General Lecture: How powerful are the experimental techniques of sound source location in aero-acoustics; what prospects are there for an improvement?.- An evaluation of the Lighthill analogy for jet mixing noise generation: using LV turbulence, source location and spectral noise data.- Theory of cross-spectral densities of jet noise.- Some analytical considerations in jet noise prediction.- Theoretical and experimental study of wavelike disturbances in round free jet with emphasis being placed on orderly structures.- On the role of vortex pairing in jet noise generation.- Triple correlation of the pressure in subsonic circular jets and nonlinear interaction of instability waves.- On the role of surface shear stress fluctuations in hydroacoustics.- Flow acoustic interaction near a plane heat conducting compliant boundary.- A ray-theory approach for high-frequency engine-intake noise20.- On the form of the wall-pressure spectrum in a turbulent boundary layer in relation to noise generation by boundary layer-surface interactions.- Play tornado-like vortices a role in the generation of flow noise?.- Discrete frequency sound generation by fluid flows.- Friday, 31st August.- General Lecture: What good does industry expect from basic research in acoustics?.- Experimental determination of noise source mechanisms in gas turbine combustors.- A new view of sound generation and propagation in flows.- Importance of jet temperature on the prediction of jet noise in flight.- Excess noise from supersonic underexpanded jets in flight.- Mach wave radiation of hot supersonic jets.- General Lecture: The aeroacoustics of advanced turbopropellers.- Noise generation by transonic open rotors.