<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The characteristics of aerodynamic forces acting on an elliptic cylinder with an aspect ratio of 0.5 with a wind attack angle from 0 to 90° and subjected to the boundary layer wind tunnel were investigated. The model was initially calibrated and compared with the existing work. The aspect ratio of the investigated model was 0.5, and the model was emerging in a turbulent flow. The mean and fluctuating drag and lift coefficients were investigated. The minimum drag coefficient occurred in the wind direction of 0° and the maximum at 90°. The lift coefficient was the largest in the 30° wind direction and the smallest at 0°. Fluctuating coefficients were similar profiles as the mean coefficients. Around the 30° wind direction, an inappropriate phenomenon occurred, caused by the generation of asymmetrical vortices structures and wake instabilities.</p>
</abstract>

The characteristics of aerodynamic forces acting on an elliptic cylinder with an aspect ratio of 0.5 with a wind attack angle from 0 to 90° and subjected to the boundary layer wind tunnel were investigated. The model was initially calibrated and compared with the existing work. The aspect ratio of the investigated model was 0.5, and the model was emerging in a turbulent flow. The mean and fluctuating drag and lift coefficients were investigated. The minimum drag coefficient occurred in the wind direction of 0° and the maximum at 90°. The lift coefficient was the largest in the 30° wind direction and the smallest at 0°. Fluctuating coefficients were similar profiles as the mean coefficients. Around the 30° wind direction, an inappropriate phenomenon occurred, caused by the generation of asymmetrical vortices structures and wake instabilities.

Experimental Measurements of Drag and Lift Coefficient on Building with an Elliptical Cross-section

Faculty of Civil Engineering, Department of Building Structures

Slovak University of Technology in Bratislava

Faculty of Civil Engineering, Department of Mathematics and Descriptive Geometry

Faculty of Civil Engineering, Department of Structural Mechanics

Selected Scientific Papers - Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The characteristics of aerodynamic forces acting on an elliptic cylinder with an aspect ratio of 0.5 with a wind attack angle from 0 to 90° and subjected to...

Experimental Measurements of Drag and Lift Coefficient on Building with an Elliptical Cross-section

Publié en ligne: 14 janv. 2023

Pages: 1 - 8

DOI: https://doi.org/10.2478/sspjce-2022-0013

Mots clés
boundary layer wind tunnel, force sensor, drag coefficient, lift coefficient, elliptical cylinder

© 2022 Michal Franek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Experimental Measurements of Drag and Lift Coefficient on Building with an Elliptical Cross-section

Publié en ligne: 14 janv. 2023

Pages: 1 - 8

DOI: https://doi.org/10.2478/sspjce-2022-0013

Mots clésboundary layer wind tunnel, force sensor, drag coefficient, lift coefficient, elliptical cylinder

© 2022 Michal Franek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
boundary layer wind tunnel, force sensor, drag coefficient, lift coefficient, elliptical cylinder