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2005•The proceedings of the JSME annual meetingOpen access

249 Visualized Flow Conditions Around a Vibrating-Plate Flow-Generator

Daisuke SAITOH, Nobuyuki Yamaguchi, Masayuki OGATA

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Abstract

Flow structures around a Vibrating Elastic Plate Flow Generator (VEPFG) were investigated by flow visualization. Alternate trailing vortices and side-edge vortices were observed to occur. Tuft grid images obtained were compared with contour lines of time-averaged total pressure distributions downstream of the plate, which has made clear the vortical structure of the induced flow. Flow above the plate surfaces was found to be dominated by reduced frequencies.

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Flow structures around a Vibrating Elastic Plate Flow Generator (VEPFG) were investigated by flow visualization. Alternate trailing vortices and side-edge vortices were observed to occur. Tuft grid images obtained were compared with contour lines of time-averaged total pressure distributions downstream of the plate, which has made clear the vortical structure of the induced flow. Flow above the plate surfaces was found to be dominated by reduced frequencies.

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Available abstract

Flow structures around a Vibrating Elastic Plate Flow Generator (VEPFG) were investigated by flow visualization. Alternate trailing vortices and side-edge vortices were observed to occur. Tuft grid images obtained were compared with contour lines of time-averaged total pressure distributions downstream of the plate, which has made clear the vortical structure of the induced flow. Flow above the plate surfaces was found to be dominated by reduced frequencies.

Key concepts: Tuft, Flow visualization, Flow (mathematics), Vortex, Trailing edge, Mechanics, Vortex generator, Generator (circuit theory)

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