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Modal analysis of jet near-field pressure fluctuation
International journal of numerical methods for heat & fluid flow
Purpose Unstable Kelvin-Helmholtz waves are suspected to be responsible for a large part of low-frequency noise radiation in high-speed jets. The purpose of this paper is to check the coherence of several numerical and experimental data concerning this phenomenon, in the particular case of a cold subsonic jet. Design/methodology/approach In the present work, a cross investigation of the near pressure field is performed on three different data sets: LES computations, PSE semi-modal computationsdoi:10.1108/hff-07-2015-0289 fatcat:rxb3fmbl2ffdzkgls2cuapqbqq