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Investigation of Strouhal number of iced cable model of cable-supported bridges with respect to angle of wind attack (CROSBI ID 627438)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Górski, Piotr ; Pospíšil, Stanislav ; Kuznetsov, Sergeii ; Tatara, Marcin ; Marušić, Ante Investigation of Strouhal number of iced cable model of cable-supported bridges with respect to angle of wind attack // International Symposium on Environmental Effects on Buildings and People /7./, Lublin - Krakow, 20.10.2014-22.10.2014, PL / Lipecki, T. ; Flaga, A. (ur.). Krakov: Polish Association for Wind Engineering, 2014

Podaci o odgovornosti

Górski, Piotr ; Pospíšil, Stanislav ; Kuznetsov, Sergeii ; Tatara, Marcin ; Marušić, Ante

engleski

Investigation of Strouhal number of iced cable model of cable-supported bridges with respect to angle of wind attack

The Strouhal number is one of the most important parameter which is necessary for an analysis of the vortex excitation response of slender structures. the paper presents the method and results of wind tunnel inverstigation of Strouhal number of iced cable model of cable-supported bridges. The investigation were conducted in the Climatic Wind Tunnel Laboratory of the Czech Academy of Sciences in Telč. The methodology leading to the experimental icing of the inclined cable model in the climatic section of the laboratory was prepared. The shape of the ice on the cable was registred by photogrammetry and a numerical evaluation. For the aerodymanic investigations the iced cable model on smaller scale was reproduced with 3D printing procedure. The Strouhal number was determined within the range of the Reynolds number between 2.8e4 and 12.2e4, based on the dominant vortex shedding frequency measured in the flow behind the model. The model was orientated at three principal angles of wind attack for each of the Reynolds number values.

bridge cable - ice accretion - Strouhal number; angle of attack; vortex shedding frequency

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Podaci o prilogu

2014.

objavljeno

Podaci o matičnoj publikaciji

International Symposium on Environmental Effects on Buildings and People /7./, Lublin - Krakow, 20.10.2014-22.10.2014, PL

Lipecki, T. ; Flaga, A.

Krakov: Polish Association for Wind Engineering

978-83-932544-9-1

Podaci o skupu

7th International symposium on environmental effects on building and people. Actions, influences, interactions, discomfort

predavanje

20.10.2014-22.10.2014

Kraków, Poljska

Povezanost rada

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