Visualizations of the flow inside an open cavity at medium range Reynolds numbers

Thierry M. Faure; Panayotis Adrianos; François Lusseyran; Luc Pastur

doi:10.1007/s00348-006-0188-8

Visualizations of the flow inside an open cavity at medium range Reynolds numbers

Thierry M. Faure, Panayotis Adrianos, François Lusseyran, Luc Pastur

Research output: Contribution to journal › Article › peer-review

Abstract

The interaction between a laminar boundary layer and an open cavity is investigated experimentally for medium range Reynolds numbers. Flow visualizations are carried out for three different observation directions in order to understand the spatial development of dynamical structures. In particular, synchronized visualizations in two parallel planes picture the transverse development of the flow. The study is conducted by changing the cavity aspect ratio, the Reynolds number and therefore the flow patterns inside the cavity. The issue is to emphasize the 3-D development of the flow. In particular, we show that the dynamical structures are not due to secondary shear layer instabilities.

Original language	English
Pages (from-to)	169-184
Number of pages	16
Journal	Experiments in Fluids
Volume	42
Issue number	2
DOIs	https://doi.org/10.1007/s00348-006-0188-8
Publication status	Published - 1 Feb 2007
Externally published	Yes

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abstract = "The interaction between a laminar boundary layer and an open cavity is investigated experimentally for medium range Reynolds numbers. Flow visualizations are carried out for three different observation directions in order to understand the spatial development of dynamical structures. In particular, synchronized visualizations in two parallel planes picture the transverse development of the flow. The study is conducted by changing the cavity aspect ratio, the Reynolds number and therefore the flow patterns inside the cavity. The issue is to emphasize the 3-D development of the flow. In particular, we show that the dynamical structures are not due to secondary shear layer instabilities.",

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N2 - The interaction between a laminar boundary layer and an open cavity is investigated experimentally for medium range Reynolds numbers. Flow visualizations are carried out for three different observation directions in order to understand the spatial development of dynamical structures. In particular, synchronized visualizations in two parallel planes picture the transverse development of the flow. The study is conducted by changing the cavity aspect ratio, the Reynolds number and therefore the flow patterns inside the cavity. The issue is to emphasize the 3-D development of the flow. In particular, we show that the dynamical structures are not due to secondary shear layer instabilities.

AB - The interaction between a laminar boundary layer and an open cavity is investigated experimentally for medium range Reynolds numbers. Flow visualizations are carried out for three different observation directions in order to understand the spatial development of dynamical structures. In particular, synchronized visualizations in two parallel planes picture the transverse development of the flow. The study is conducted by changing the cavity aspect ratio, the Reynolds number and therefore the flow patterns inside the cavity. The issue is to emphasize the 3-D development of the flow. In particular, we show that the dynamical structures are not due to secondary shear layer instabilities.

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JO - Experiments in Fluids

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Visualizations of the flow inside an open cavity at medium range Reynolds numbers

Abstract

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