| Issue |
E3S Web Conf.
Volume 160, 2020
The 6th International Conference on Renewable Energy Technologies (ICRET 2020)
|
|
|---|---|---|
| Article Number | 01005 | |
| Number of page(s) | 5 | |
| Section | Power Engineering and Smart Grid | |
| DOI | https://doi.org/10.1051/e3sconf/202016001005 | |
| Published online | 25 March 2020 | |
Amplitude Enhancement of Flow-Induced Vibration for Energy Harnessing
1 Department of Civil, Environmental and Mining Engineering, The University of Western Australia, Perth, Australia
2 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, 8 Xindu Road, Chengdu, Sichuan 610500, China
3 State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
* Corresponding author: ze.shao@research.uwa.edu.au
In this paper, flow-induced vibrations of bluff bodies with four different cross-sectional geometries (circle, square, triangle and semi-circle) arranged both in single and tandem (gap ratio equals to 3 and 5) configurations are investigated in a wind tunnel. It is found that triangular and square cylinders have the higher amplitude than that of the semi-circular and the circular cylinders in the single configuration. When two cylinders are arranged in tandem, the circular cylinders have the highest amplitude among all tested cylinders. Furthermore, the semi-circular cylinder shows that its vibrating amplitude increases with the reduced velocity in the tandem system due to the galloping effect.
© The Authors, published by EDP Sciences, 2020
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