Global modes and superdirective acoustic radiation in low-speed axisymmetric jets

DOI10.1016/S0997-7546(00)90101-8zbMath0970.76090OpenAlexW2074422442WikidataQ126773415 ScholiaQ126773415MaRDI QIDQ1590574

Alison J. Cooper, David G. Crighton

Publication date: 21 December 2000

Published in: European Journal of Mechanics. B. Fluids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0997-7546(00)90101-8

zbMATH Keywords

resonance frequencysaddle pointRemes algorithmabsolute frequencyglobal linear stability theoryleading-order global frequencypreferred-mode Strouhal numberslowly diverging axisymmetric jetsuperdirective acoustic field

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Jets and cavities, cavitation, free-streamline theory, water-entry problems, airfoil and hydrofoil theory, sloshing (76B10) Stability and instability of nonparallel flows in hydrodynamic stability (76E09)

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