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Drag coefficients and Strouhal numbers of a port crane boom girder section

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2005 Argentina Publisher:Elsevier BVJournal:Journal of Wind Engineering and Industrial Aerodynamics, volume 93, pages 451-460 (issn: 0167-6105,

Authors: Scarabino, Ana Elena; Marañón Di Leo, Julio; Delnero, Juan Sebastián; Bacchi, Federico;

doi: 10.1016/j.jweia.2005.03.004

Drag coefficients and Strouhal numbers of a port crane boom girder section

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Abstract

Abstract This work reports the drag coefficients (Cd) for three wind directions measured in low turbulence flow and in turbulent flow with characteristics of the atmospheric boundary layer wind, and the Strouhal numbers (St) of an approximately trapezoidal flanged section, used in the boom girder of a 100 m high port crane. These experimental results were obtained at the Boundary Layer Wind Tunnel of the Dept. Aeronautica at the Universidad Nacional de La Plata, in the range of Reynolds numbers between 30,000 and 180,000. The drag coefficients in the three studied directions showed a reduction for turbulent flow. Further measurements were carried out for the model with an inclination of 80° relative to the flow direction, the position of the crane boom when out of service, giving practically the same drag coefficients.

Country

Argentina

Related Organizations

Aeronáutica
Angola
National University of La Plata
Argentina
National University of La Plata
Argentina

Keywords

Turbulence, Bluff bodies, Bluff bodies; Drag coefficient; Strouhal number; Turbulence, Ingeniería Aeronáutica, Drag coefficient, Strouhal number

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