风力和结构负荷数据测量在一个运行中的发电厂的抛物线低谷太阳能集热器
Ulrike Egerer1, Scott Dana2, David Jager2
1National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA. ulrike.egerer@nrel.gov.
Scientific data
|January 19, 2024
概括
这项研究测量了大型发电厂太阳能集热器上的风力负载. 这些发现为设计更具弹性和高效的下一代太阳能系统提供了关键数据.
科学领域:
- 工程 工程师 工程师 工程师
- 可再生能源是可再生能源的来源.
- 大气科学 大气科学
背景情况:
- 风力负荷显著增加了集中式太阳能热能 (CSP) 收集器的设计成本.
- 在风下确保结构完整性和最佳光学性能对于CSP系统至关重要.
- 现有的风力影响研究仅限于风洞测试和模拟,需要真实世界的数据.
研究的目的:
- 进行大气风条件和抛物线低谷上的结构风载荷的全面现场测量.
- 为了生成一个高分辨率的数据集,描述复杂的流量场和由此产生的结构负载在一个全尺寸的CSP工厂.
- 提高对收集器结构风力负荷的理解,以改进下一代太阳能收集器和光伏追踪器设计.
主要方法:
- 在两年内,在四排抛物线槽上部署气象杆和结构负荷传感器.
- 使用激光雷达扫描 trough 场以上的水平平面,进行详细的风流分析.
- 将大气流风数据与结构负载测量的整合.
主要成果:
- 描述太阳能收集器阵列上方和周围复杂的大气流场的特征.
- 由此产生的结构风载荷的量化,这些风载荷由抛物线低谷收集器所经历.
- 从一个全面运行的CSP工厂创建一个独特的,高分辨率的数据集.
结论:
- 现场测量提供了超出模拟能力的洞察力,了解风对太阳能集热器的影响.
- 生成的数据集对于了解CSP结构上的风力负荷是非常宝贵的.
- 这项研究将有助于设计更强大,更高效的下一代太阳能集热器和光伏追踪器.
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