Boundary-layer thickness effects of the hydrodynamic instability along an impedance wall

DOI10.1017/S0022112010006051zbMath1225.76117OpenAlexW2111465985MaRDI QIDQ3097793

Mirela Darau, Sjoerd W. Rienstra

Publication date: 10 November 2011

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0022112010006051

zbMATH Keywords

boundary layer stabilityaeroacousticsabsolute/convective instability

Mathematics Subject Classification ID

Absolute and convective instability and stability in hydrodynamic stability (76E15) Boundary-layer theory, separation and reattachment, higher-order effects (76D10)

Related Items (15)

Eigenmodes of lined flow ducts with rigid splices ⋮ Over-reflection of acoustic waves by supersonic exponential boundary layer flows ⋮ The modified Myers boundary condition for swirling flow ⋮ A cavity-by-cavity description of the aeroacoustic instability over a liner with a grazing flow ⋮ Impedance boundary conditions for acoustic time‐harmonic wave propagation in viscous gases in two dimensions ⋮ Viscous effects on the acoustics and stability of a shear layer over an impedance wall ⋮ Comments on ``Linear stability analysis of a non-slipping mean flow in a 2D-straight lined duct with respect to modes type initial (instantaneous) perturbations ⋮ The impedance boundary condition for acoustics in swirling ducted flow ⋮ Time-domain implementation of an impedance boundary condition with boundary layer correction ⋮ A full discrete dispersion analysis of time-domain simulations of acoustic liners with flow ⋮ Theoretical model of scattering from flow ducts with semi-infinite axial liner splices ⋮ Acoustic boundary conditions at an impedance lining in inviscid shear flow ⋮ Trapped waves in supersonic and hypersonic turbulent channel flow over porous walls ⋮ The critical layer in linear-shear boundary layers over acoustic linings ⋮ Variational Methods for Acoustic Radiation in a Duct with a Shear Flow and an Absorbing Boundary

Cites Work

• A classification of duct modes based on surface waves
• Acoustic scattering at a hard-soft lining transition in a flow duct
• Sound propagation in a fluid flowing through an attenuating duct
• Stability and acoustic scattering in a cylindrical thin shell containing compressible mean flow
• Absolute and convective instabilities in free shear layers
• On the acoustic boundary condition in the presence of flow
• On the behaviour of a fluid-loaded cylindrical shell with mean flow
• Hydrodynamic Stability
• On the causal behaviour of flow over an elastic wall
• Transmission of Sound in Ducts with Thin Shear Layers—Convergence to the Uniform Flow Case
• Some aspects of “sound” attenuation in lined ducts containing inviscid mean flows with boundary layers
• The propagation and attenuation of sound in lined ducts containing uniform or “plug” flow

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