BiGlobal stability analysis of a micro-ramp wake using PIV base flows

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Abstract

Hairpin shaped Kelvin-Helmholtz waves are observed in tomographic PIV experiments on a micro-ramp wake. In this study, these waves are reproduced by applying BiGlobal stability theory to base flows conceived with the measurement data. The stability results converge with the number of instantaneous snapshots used for the base ow. The most unstable wavelength lies in the experimentally observed range and the flow structure closely resembles that shown in the snapshots.

Original languageEnglish
Title of host publication46th AIAA Fluid Dynamics Conference
PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages12
ISBN (Electronic)978-1-62410-436-7
DOIs
Publication statusPublished - 2016
Event46th AIAA Fluid Dynamics Conference, 2016 - Washington, United States
Duration: 13 Jun 201617 Jun 2016
Conference number: 46
https://doi.org/10.2514/MFD16

Conference

Conference46th AIAA Fluid Dynamics Conference, 2016
CountryUnited States
CityWashington
Period13/06/1617/06/16
Internet address

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