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    Flow around rectangular cylinders: Pressure forces and wake frequencies

    New search for: Norberg, C.

    AbstractThis paper concerns an experimental investigation of the flow around and pressure forces on fixed (non-vibrating) rectangular cylinders at angles of attack 0°–90°. Pressure forces and moments for cylinders for cylinders with side ratios B A = 1, 1.62, 2.5 and 3 (shortest side A = 20 mm) were estimated from measurements of static pressure distributions at mid-span. Wake frequencies and associated Strouhal numbers were determined from hot wire measurements in the near-wake regions (A = 4 and 20 mm). With the smaller cylinders 12 side ratios within B A = 1–5 were investigated. The free stream turbulence intensity was less than 0.06%, blockages less than 5% and aspect ratios L A greater than 50. Reynolds numbers, based on A, ranged from about Re = 400 to Re = 3 × 104 (pressure measurements from about Re = 3 × 103). For the square cylinder, the measured pressure forces were used for calculations of quasi-steady galloping response in the plunging mode.

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    Flow around rectangular cylinders: Pressure forces and wake frequencies

    New search for: Norberg, C.

    AbstractThis paper concerns an experimental investigation of the flow around and pressure forces on fixed (non-vibrating) rectangular cylinders at angles of attack 0°–90°. Pressure forces and moments for cylinders for cylinders with side ratios B A = 1, 1.62, 2.5 and 3 (shortest side A = 20 mm) were estimated from measurements of static pressure distributions at mid-span. Wake frequencies and associated Strouhal numbers were determined from hot wire measurements in the near-wake regions (A = 4 and 20 mm). With the smaller cylinders 12 side ratios within B A = 1–5 were investigated. The free stream turbulence intensity was less than 0.06%, blockages less than 5% and aspect ratios L A greater than 50. Reynolds numbers, based on A, ranged from about Re = 400 to Re = 3 × 104 (pressure measurements from about Re = 3 × 103). For the square cylinder, the measured pressure forces were used for calculations of quasi-steady galloping response in the plunging mode.

    Access

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    Check availability in my library
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    Flow around rectangular cylinders: Pressure forces and wake frequencies

    New search for: Norberg, C.

    AbstractThis paper concerns an experimental investigation of the flow around and pressure forces on fixed (non-vibrating) rectangular cylinders at angles of attack 0°–90°. Pressure forces and moments for cylinders for cylinders with side ratios B A = 1, 1.62, 2.5 and 3 (shortest side A = 20 mm) were estimated from measurements of static pressure distributions at mid-span. Wake frequencies and associated Strouhal numbers were determined from hot wire measurements in the near-wake regions (A = 4 and 20 mm). With the smaller cylinders 12 side ratios within B A = 1–5 were investigated. The free stream turbulence intensity was less than 0.06%, blockages less than 5% and aspect ratios L A greater than 50. Reynolds numbers, based on A, ranged from about Re = 400 to Re = 3 × 104 (pressure measurements from about Re = 3 × 103). For the square cylinder, the measured pressure forces were used for calculations of quasi-steady galloping response in the plunging mode.

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    Title:

    Flow around rectangular cylinders: Pressure forces and wake frequencies

    Contributors:

    Norberg, C. (author)

    Published in:

    Journal of Wind Engineering and Industrial Aerodynamics ; 49 ; 187-196

    Publication date:

    1993-01-01

    Size:

    10 pages

    ISSN:

    0167-6105

    DOI:

    https://doi.org/10.1016/0167-6105(93)90014-F

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

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