Spatial coherence in the wake of a flat plate

José B. Dávila, Muhammad R. Hajj, Richard W. Miksad, Edward J. Powers

Research output: Contribution to journalArticlepeer-review

Abstract

Spatial coherence of the streamwise velocity fluctuation was measured in the wake of a flat plate in a wind tunnel. The measurements were made in the context of determining the role of wavenumber resonance in quadratic interactions among resonant frequency modes. Frequency domain results show that sum-interaction modes targeted by coupled mode pairs are spatially coherent. This suggests that spatial coherence measurements can be combined with bispectral measurements to determine mode energy transit and direction.

Original languageEnglish
Pages (from-to)S36-S38
JournalApplied Mechanics Reviews
Volume50
Issue number11
DOIs
StatePublished - Nov 1997

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