Attenuation of sound in a low Mach Number nozzle flow

DOI10.1017/S0022112079000124zbMath0414.76061MaRDI QIDQ3050022

M. S. Howe

Publication date: 1979

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

zbMATH Keywords

contraction ratiovortex wavesattenuation of soundaxisymmetric jet pipeenergy conversion mechanismsfree-space radiationlighthills equationslinearized theoretical modelslow Mach number nozzle flowmonopole and dipole sources

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05)

Related Items (8)

Finite-wavelength scattering of incident vorticity and acoustic waves at a shrouded-jet exit ⋮ Algebraic structure of local symmetries for two-dimensional superparticles on a curved external background ⋮ Self-sustained azimuthal aeroacoustic modes. Part 1. Symmetry breaking of the mean flow by spinning waves ⋮ Excitation of instability waves in free shear layers. Part 1. Theory ⋮ Sound generation by entropy perturbations passing through a sudden flow expansion ⋮ Receptivity to harmonic forcing of a finite-width mixing layer just downstream of the trailing edge of a flat plate ⋮ Acoustic scattering at a hard-soft lining transition in a flow duct ⋮ A physical model for indirect noise in non-isentropic nozzles: transfer functions and stability

Cites Work

• On the Formation of Vortex Rings
• Radiation of cylindrical duct acoustic modes with flow mismatch
• On sound generated aerodynamically I. General theory

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