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K41 Versus K62: Recent Developments Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Numerical Study of Shock-Associated Noise in Axisymmetric Supersonic Jet

Authors : H. Li, Y. Luo, S. H. Zhang

Published in: Fluid-Structure-Sound Interactions and Control

Publisher: Springer Singapore

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Abstract

Near field screech tone analysis of a typical underexpanded low supersonic circular jet issuing from sonic nozzle have been carried out numerically through solving axisymmetric Navier-Stokes equations directly. Screech tones’s spectral information and the dynamic evolution of their corresponding flow structures and acoustic field are presented. Numerical results indicate that axisymmetric A1 mode and A2 mode screech tones are generated at the trailing edges of fourth and third shock-cell respectively. It is also found that screech tone’s generation is associated with the compressive regions outside jet shear layer closely.

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previous chapter Study of Passive Control of Jet Noise by Blind Holes on Nozzle Inner Wall
next chapter Effect of Flow Separation on Acoustic Resonance in In-line Tube Banks
Literature
1.
2.
Li XD, Gao JH (2005) Numerical simulation of the generation mechanism of axisymmetric supersonic jet tones. Phys Fluids 17(085105):1–8MATH
3.
Powell A (1953) On the noise emanating from a two-dimensional jet above the critical pressure. Aeronaut Q 4:103–122CrossRef
4.
Powell A (1953) On the mechanism of choked jet noise. Proc Phys Soc Lond B66:1039–1056CrossRef
5.
Panda J (1998) Shock oscillation in underexpanded screeching jets. J Fluid Mech 363:173–198CrossRef
6.
Panda J, Seasholtz RG (1999) Measurement of shock structure and shock-vortex interaction in underexpanded jets using Rayleigh scattering. Phys Fluids 11(12):3761–3777CrossRef
7.
Raman G (1999) Supersonic jet screech: half-century from powell to the present. J Sound Vib 225(3):543–571CrossRef
8.
Metadata
Title
Numerical Study of Shock-Associated Noise in Axisymmetric Supersonic Jet
Authors
H. Li
Y. Luo
S. H. Zhang
Copyright Year
2019
Publisher
Springer Singapore
Book
Fluid-Structure-Sound Interactions and Control

Print ISBN: 978-981-10-7541-4

Electronic ISBN: 978-981-10-7542-1

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-981-10-7542-1_53

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