The critical layer in linear-shear boundary layers over acoustic linings

DOI10.1017/jfm.2012.376zbMath1275.76182OpenAlexW2110990416MaRDI QIDQ2863416

E. J. Brambley, Mirela Darau, Sjoerd W. Rienstra

Publication date: 21 November 2013

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

Full work available at URL: https://semanticscholar.org/paper/425fb6c8a9661363a9646b1fd65babfa4335ced5

zbMATH Keywords

critical layersaeroacousticspipe flow boundary layer

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Boundary-layer theory for compressible fluids and gas dynamics (76N20)

Related Items (12)

A new class of approximate analytical solutions of the Pridmore-Brown equation ⋮ The critical layer in quadratic flow boundary layers over acoustic linings ⋮ A piecewise linear contour to avoid critical points in inviscid flow stability analyses ⋮ Over-reflection of acoustic waves by supersonic exponential boundary layer flows ⋮ Accuracy of a Low Mach Number Model for Time-Harmonic Acoustics ⋮ A cavity-by-cavity description of the aeroacoustic instability over a liner with a grazing flow ⋮ Sensitivity of wavepackets in jets to nonlinear effects: the role of the critical layer ⋮ Slowly varying modes in a two-dimensional duct with shear flow and lined walls ⋮ The trailing vorticity field behind a line source in two-dimensional incompressible linear shear flow ⋮ Time-domain implementation of an impedance boundary condition with boundary layer correction ⋮ Flow–acoustic resonance in a cavity covered by a perforated plate ⋮ Acoustic boundary conditions at an impedance lining in inviscid shear flow

Uses Software

• Algorithm 644

Cites Work

• Classification of aeroacoustically relevant surface modes in cylindrical lined ducts
• A classification of duct modes based on surface waves
• Boundary-layer thickness effects of the hydrodynamic instability along an impedance wall
• Sound propagation in a fluid flowing through an attenuating duct
• Algebraic and exponential instability of inviscid swirling flow
• On hydrodynamic and acoustic modes in a ducted shear flow with wall lining
• Effects of critical layer structure on the nonlinear evolution of waves in free shear layers
• On the acoustic boundary condition in the presence of flow
• The nonlinear stability of a free shear layer in the viscous critical layer régime
• The scattering of sound by a simple shear layer
• The wave modes in ducted swirling flows
• On the acoustics of an exponential boundary layer
• On the reflection and transmission of sound in a thick shear layer
• Algorithm 644
• Reflection of Acoustic Pulses from Stable and Instable Interfaces between Moving Fluids

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