Research on Wind-Induced Responses of a Solar Tower in CSP Station Based on Aeroelastic Model Test

XING Guolei; LI Shouying; WU Yingqiang; LIU Min; WANG Yongfeng

doi:10.13204/j.gyjzG21101208

Volume 53 Issue 6

Jun. 2023

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2023 > 53(6): 148-152,160

XING Guolei, LI Shouying, WU Yingqiang, LIU Min, WANG Yongfeng. Research on Wind-Induced Responses of a Solar Tower in CSP Station Based on Aeroelastic Model Test[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 148-152,160. doi: 10.13204/j.gyjzG21101208

Citation:

XING Guolei, LI Shouying, WU Yingqiang, LIU Min, WANG Yongfeng. Research on Wind-Induced Responses of a Solar Tower in CSP Station Based on Aeroelastic Model Test[J]. INDUSTRIAL CONSTRUCTION, 2023, 53(6): 148-152,160. doi: 10.13204/j.gyjzG21101208

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Research on Wind-Induced Responses of a Solar Tower in CSP Station Based on Aeroelastic Model Test

doi: 10.13204/j.gyjzG21101208

1. State Nuclear Electric Power Planning Design and Research Institute Co., Ltd., Beijing 100095, China;
2. Key Laboratory for Wind and Bridge Engineering of Hunan Province, Hunan University, Changsha 410082, China

Received Date: 2021-10-12
Available Online: 2023-08-18

Abstract

Abstract

The solar tower in CSP (concentrating solar power) station is usually characterized by large height-width ratio, low frequency and small damping which makes its response is rather sensitivity to wind loads. In order to study the wind-induced responses laws of the tower, a full-scale aeroelastic model for a 243-meter-high solar tower was designed and manufactured in the paper. Measurements of the model’s dynamic response indicated a good simulation of the parameters for the prototype tower and the first-order damping ratio was as low as 0.3%. Then wind tunnel test for the aeroelastic model was conducted, the influence of the damping ratio of the model on the wind-induced responses of the tower was studied, as well as the response laws of the structure in cross-wind and along-wind directions at vortex-induced vibration resonance and design wind speed. The results indicated that vortex-induced resonance occurred significantly at a velocity of about 22.1 m/s for the prototype tower. When the damping ratio was 0.7%, there was an obvious vortex-induced response, however, when the damping ratio of the structure increased to 1.0% or more, the vortex-indused response became less obvious. In addition, the maximum peak acceleration of the tower occurred in the cross-wind direction at the vortex-induced vibration wind speed while the maximum base shear response occurred in the along-wind direction at the design wind speed.
- solar tower,
- aeroelastic model,
- parameter identification,
- vortex-induced vibration,
- damping ratio

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