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Erschienen in: Experiments in Fluids 1/2004

01.07.2004 | Original

Quantitative detection of turbulent reattachment using a surface mounted hot-film array

verfasst von: S. D. Olson, F. O. Thomas

Erschienen in: Experiments in Fluids | Ausgabe 1/2004

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Abstract

A robust method to detect the mean turbulent reattachment location with a flush surface-mounted array of hot-film sensors is presented. The method has the advantages of requiring no sensor calibration, no dependence on the presence of a dominant frequency or oscillation period and it requires no qualitative interpretation of sensor time-series signals. The method is developed by investigating the flow downstream of a backward-facing step. Through computation of the “time of flight” of convected flow disturbances over adjacent sensor pairs, the method offers a quantitative resolution of the mean location of reattachment for turbulent flows.

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Metadaten
Titel
Quantitative detection of turbulent reattachment using a surface mounted hot-film array
verfasst von
S. D. Olson
F. O. Thomas
Publikationsdatum
01.07.2004
Verlag
Springer-Verlag
Erschienen in
Experiments in Fluids / Ausgabe 1/2004
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-004-0786-2

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