Nonlinear mechanisms of sound generation in a perturbed parallel jet flow

DOI10.1017/S0022112006001315zbMath1106.76063OpenAlexW2146778222MaRDI QIDQ3419170

Neil D. Sandham, C. L. Morfey, Zhiwei Hu

Publication date: 6 February 2007

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

Full work available at URL: https://doi.org/10.1017/s0022112006001315

zbMATH Keywords

Lilley-Goldstein acoustic analogylinear inviscid eigenmodessubsonic instability modesvortex packet

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05)

Related Items (10)

Linear and nonlinear processes in two-dimensional mixing layer dynamics and sound radiation ⋮ Numerical study of eigenmode forcing effects on jet flow development and noise generation mechanisms ⋮ The dynamics of nonlinear instability waves in laminar heated and unheated compressible mixing layers ⋮ Direct numerical simulation of turbulent flow over a rough surface based on a surface scan ⋮ Low-frequency sound radiated by a nonlinearly modulated wavepacket of helical modes on a subsonic circular jet ⋮ Impact of coherence decay on wavepacket models for broadband shock-associated noise in supersonic jets ⋮ Directivity of acoustic emissions from wave packets to the far field ⋮ Kolmogorov scaling of turbulent flow in the vicinity of the wall ⋮ Acoustic emissions from convected wave packets ⋮ Spectral broadening and flow randomization in free shear layers

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