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    Effects of free-stream turbulence and corner shape on the galloping instability of square cylinders

    New search for: Carassale, Luigi
    New search for: Freda, Andrea

    Abstract The influence of corner shaping and turbulence intensity on the aerodynamic stability of square cylinders is studied with a quasi-static approach. Beside the sharp-edge corner condition, two different rounded-corner radii (r/b=1/15 and 2/15) are considered. The stability analyses are based on aerodynamic coefficients derived through static wind tunnel tests in smooth and turbulent flow, in the Reynolds number range between 1.7×104 and 2.3×105. The experimental data are employed to determine the stability boundaries depending on the angle of attack and – when relevant – on the Reynolds number.

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    Effects of free-stream turbulence and corner shape on the galloping instability of square cylinders

    New search for: Carassale, Luigi
    New search for: Freda, Andrea

    Abstract The influence of corner shaping and turbulence intensity on the aerodynamic stability of square cylinders is studied with a quasi-static approach. Beside the sharp-edge corner condition, two different rounded-corner radii (r/b=1/15 and 2/15) are considered. The stability analyses are based on aerodynamic coefficients derived through static wind tunnel tests in smooth and turbulent flow, in the Reynolds number range between 1.7×104 and 2.3×105. The experimental data are employed to determine the stability boundaries depending on the angle of attack and – when relevant – on the Reynolds number.

    Access

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    Check availability in my library
    Order at Subito €

    Effects of free-stream turbulence and corner shape on the galloping instability of square cylinders

    New search for: Carassale, Luigi
    New search for: Freda, Andrea

    Abstract The influence of corner shaping and turbulence intensity on the aerodynamic stability of square cylinders is studied with a quasi-static approach. Beside the sharp-edge corner condition, two different rounded-corner radii (r/b=1/15 and 2/15) are considered. The stability analyses are based on aerodynamic coefficients derived through static wind tunnel tests in smooth and turbulent flow, in the Reynolds number range between 1.7×104 and 2.3×105. The experimental data are employed to determine the stability boundaries depending on the angle of attack and – when relevant – on the Reynolds number.

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    Title:

    Effects of free-stream turbulence and corner shape on the galloping instability of square cylinders

    Contributors:

    Carassale, Luigi (author) / Freda, Andrea (author) / Marrè-Brunenghi, Michela (author)

    Published in:

    Journal of Wind Engineering and Industrial Aerodynamics ; 123 ; 274-280

    Publication date:

    2013-01-01

    Size:

    7 pages

    ISSN:

    0167-6105

    DOI:

    https://doi.org/10.1016/j.jweia.2013.09.002

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    Square cylinders , Rounded corners , Galloping , Drag crisis , Reynolds number effects

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