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Experiments in Fluids
Erschienen in: Experiments in Fluids 3/2004

01.09.2004 | Original

DPIV study of the effect of a gable roof on the flow structure around a surface-mounted cubic obstacle

verfasst von: J. M. M. Sousa, J. C. F. Pereira

Erschienen in: Experiments in Fluids | Ausgabe 3/2004

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Abstract

The present paper reports a thorough comparison of the turbulent flow characteristics exhibited by a cubic surface-mounted obstacle and a simple geometric variant (gable roof of 30° roof pitch). The measurements supporting this study were obtained by the use of a 2D-DPIV system. Significant differences in the large-scale vortical structures and turbulent kinetic energy fields implied drastic consequences with respect to the advective and turbulent dispersive characteristics of the flow at roof and ground levels.
Vorheriger Artikel A pattern matching technique for measuring sediment displacement levels
Nächster Artikel Two-point laser Doppler velocimetry measurements in a Mach 1.2 cold supersonic jet for statistical aeroacoustic source model

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Fußnoten
1
A reviewer noted that the location of the maximum of q over the gable roof seen in Fig. 6 concurs with his observations of the full-scale consequences (roof tiles blown off by a wind gust) of a serious storm that occurred last year in the area of his residence.
 
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Metadaten
Titel
DPIV study of the effect of a gable roof on the flow structure around a surface-mounted cubic obstacle
verfasst von
J. M. M. Sousa
J. C. F. Pereira
Publikationsdatum
01.09.2004
Verlag
Springer-Verlag
Erschienen in
Experiments in Fluids / Ausgabe 3/2004
Print ISSN: 0723-4864
Elektronische ISSN: 1432-1114
DOI
https://doi.org/10.1007/s00348-004-0830-2

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