A state-of-the-art review of wind-induced response and vibration control of heliostat structures in concentrated solar power plants

LIAO Chi; ZHONG Jie; DAI Kaoshan; LIU Yangzhao

doi:10.11835/j.issn.2096-6717.2021.114

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A state-of-the-art review of wind-induced response and vibration control of heliostat structures in concentrated solar power plants

Civil Engineering | 更新时间：2023-03-07

- A state-of-the-art review of wind-induced response and vibration control of heliostat structures in concentrated solar power plants
- Journal of Civil and Environmental Engineering Vol. 45, Issue 2, Pages: 166-178(2023)
- 作者机构：
  
  四川大学深地科学与工程教育部重点实验室
  建筑与环境学院，成都 610065
- 作者简介：
  
  LIAO Chi (1996- ), main research interest: energy infrastructure vibration control, E-mail: lliaochi@163.com.
  ZHONG Jie （corresponding author）， associate professor， E-mail： zhjiehit@scu.edu.cn.
- 基金信息：
  
  Fundamental Research Funds for the Central Universities(YJ202031)
- DOI：10.11835/j.issn.2096-6717.2021.114
  CLC： TU391;TK513.1
- Received：08 January 2021，
  
  Published：25 April 2023
- 稿件说明：
移动端阅览
LIAO Chi, ZHONG Jie, DAI Kaoshan, et al. A state-of-the-art review of wind-induced response and vibration control of heliostat structures in concentrated solar power plants[J]. Journal of Civil and Environmental Engineering, 2023, 45(2): 166-178.
DOI：

LIAO Chi, ZHONG Jie, DAI Kaoshan, et al. A state-of-the-art review of wind-induced response and vibration control of heliostat structures in concentrated solar power plants[J]. Journal of Civil and Environmental Engineering, 2023, 45(2): 166-178. DOI： 10.11835/j.issn.2096-6717.2021.114.

摘要

光热发电技术是太阳能利用的重要手段之一，其中，塔式光热发电技术因其大规模储能等优势，具有较好的应用前景。定日镜作为塔式光热电站的重要单元，其抗风安全性直接影响电站的正常运行。从结构体系、风荷载、风致响应与振动控制等方面对定日镜结构抗风设计中的关键问题进行文献综述，得到以下结论：定日镜主要采用“大尺寸反射镜+框式镜架+独立柱式基座”的结构形式；风荷载模拟中存在定日镜的尾迹区湍流分析困难、镜体峰值荷载难以预测及缺乏实测值验证等问题；风致响应受来流风湍流强度、定日镜工作角度及镜场布置等因素影响较大；风致振动控制可通过挡风墙物理隔离、调整定日镜结构形式以及采用减振器控制等技术手段实现。然而，镜群风干扰效应、来流风—定日镜结构流固耦合及微振控制技术等研究有待进一步开展，以期为提高定日镜结构的抗风安全性提供技术依据。

Abstract

Solar thermal energy technology is one of the important means of solar energy utilisation

among which tower solar thermal energy technology has advantages such as large-scale energy storage and has good application prospects. As an important unit of a tower solar thermal power plant

the wind safety of the heliostat directly affects the normal operation of the plant. This paper presents a literature review of the key issues in the wind resistance design of heliostats in terms of structural system

wind loads

wind induced response and vibration control

etc. The following conclusions are obtained: Heliostats mainly adopt the structural form of “large size reflector + frame mirror frame + monopole base”; The wind load simulation has problems such as difficulties in analyzing the turbulence in the wake of the heliostat

difficulty in predicting the peak load of the mirror and lack of verification of the measured values; Wind-induced response is strongly influenced by the turbulence intensity of the incoming wind

the working angle of the mirror and the layout of the mirror field

etc. ; Wind vibration control can be achieved by the physical isolation of the wind barrier

adjustment of the mirror structure and the use of vibration damper control. However

further research is needed on the effects of wind disturbance in mirror groups

fluid-structure coupling of incoming wind and mirror structures and micro-vibration control techniques

in order to provide a technical basis for improving the safety of mirror structures against wind.

关键词

Keywords

references

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