<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents the wind tunnel investigations of the mean aerodynamic coefficients of the stationary iced model in cable-stayed bridges. The investigations were performed in a Climatic Wind Tunnel Laboratory at the Czech Academy of Sciences in Telč. The icing of the inclined cable model was made experimentally. The shape of the iced model was mapped by a photogrammetry method. The new iced cable model was made by using a 3D printer. The aerodynamic drag, lift and moment coefficients were determined with respect to three principal angles of wind attack within the range of the Reynolds number between 2.5·10<sup>4</sup> and 13.6·104 at a turbulence intensity of 5 %. It was found that the drag coefficient values of the iced cable model are higher than for a circular smooth cylinder. The obtained results could constitute a basis to formulate a mathematical description of the wind load acting on the iced cables of cable-supported bridges.</p></abstract>

This paper presents the wind tunnel investigations of the mean aerodynamic coefficients of the stationary iced model in cable-stayed bridges. The investigations were performed in a Climatic Wind Tunnel Laboratory at the Czech Academy of Sciences in Telč. The icing of the inclined cable model was made experimentally. The shape of the iced model was mapped by a photogrammetry method. The new iced cable model was made by using a 3D printer. The aerodynamic drag, lift and moment coefficients were determined with respect to three principal angles of wind attack within the range of the Reynolds number between 2.5·104 and 13.6·104 at a turbulence intensity of 5 %. It was found that the drag coefficient values of the iced cable model are higher than for a circular smooth cylinder. The obtained results could constitute a basis to formulate a mathematical description of the wind load acting on the iced cables of cable-supported bridges.

Model investigations of the aerodynamic coefficients of iced cables in cable-stayed bridges

Institute of Theoretical and Applied Mechanics

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

This paper presents the wind tunnel investigations of the mean aerodynamic coefficients of the stationary iced model in cable-stayed bridges. The...

Model investigations of the aerodynamic coefficients of iced cables in cable-stayed bridges

Pubblicato online: 16 mag 2020

Pagine: 115 - 127

Ricevuto: 05 ago 2019

DOI: https://doi.org/10.4467/2353737XCT.19.083.10862

Parole chiave
bridge cable, ice accretion, angle of wind attack, aerodynamic coefficient

© 2019 Piotr Górski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Model investigations of the aerodynamic coefficients of iced cables in cable-stayed bridges

Pubblicato online: 16 mag 2020

Pagine: 115 - 127

Ricevuto: 05 ago 2019

DOI: https://doi.org/10.4467/2353737XCT.19.083.10862

Parole chiavebridge cable, ice accretion, angle of wind attack, aerodynamic coefficient

© 2019 Piotr Górski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Parole chiave
bridge cable, ice accretion, angle of wind attack, aerodynamic coefficient