Collaborative Research: Reliability-based Hurricane Risk Assessment for Offshore Wind Farms

合作研究：基于可靠性的海上风电场飓风风险评估

• 批准号: 1234656
• 负责人: Sanjay Arwade
• 金额: $ 14.68万
• 依托单位: University of Massachusetts Amherst
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2012
• 资助国家: 美国
• 起止时间: 2012-09-01 至 2016-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1234656&HistoricalAwards=false
• 关键词: Collaborative; Research; Reliability; based; Hurricane

This collaborative research grant provides funding for a program of fundamental research into the assessment of hurricane-associated risk to Atlantic wind farms and hurricane resistant design of OWT support structures to overcome barriers to offshore wind energy development. The research program builds upon the bodies of knowledge associated with oil and gas platform development in the hurricane-prone Gulf of Mexico and wind energy development in the North and Baltic Seas. The project comprises four integrated research tasks: (1) the development of a probabilistic hurricane hazard modeling framework for the Atlantic coast; (2) a fragility analysis framework for OWT support structures including case studies of prototype support structures; (3) relationships between individual turbine fragility and wind farm reliability; and (4) novel design details for improving the robustness of OWT support structures to combined, hurricane induced, wind and wave loading. A vertically integrated, collaborative research team spanning from the undergraduate to full professor levels across two institutions of higher learning and a program of outreach including partnership with the Offshore Wind Energy IGERT program at the University of Massachusetts, Amherst and mentorship to high school youth in Boston through the Northeastern University Center for STEM Education promises to enrich the experience of student participants and to enhance this project through interdisciplinary interactions with the multidisciplinary faculty team.Meeting the national goal of generating 20 percent of total energy needs from renewable sources by 2030 should, according to the National Renewable Energy Laboratory, include the installation of 54 GW of electricity generated from offshore wind. This, in turn, requires the transformational removal of barriers to offshore wind energy development. A recent U.S. National Academies report has identified the vulnerability of Atlantic wind farms to hurricanes as such a barrier, and this project addresses the engineering aspects of this barrier. The likelihood of Atlantic wind farms encountering hurricanes during their operational life adds to the cost of energy by increasing uncertainty associated with wind farm performance and therefore the associated financing and insurance costs. This collaborative research project focuses on offshore wind turbine (OWT) structures that are typical of those proposed for the Atlantic coast and that will therefore be exposed to extreme wind and wave loads. Probabilistic hurricane hazard modeling and fragility analysis of OWTs and development of recommendations for increased structural robustness are key components of this project, which builds upon the extensive knowledge available within the field of seismic engineering, including probabilistic hazard analysis, performance-based design concepts and non-linear dynamic modeling. Partnerships with industry will focus the direction of research to the specific needs of the wind energy and catastrophe risk industries.

这项合作研究赠款为基础研究计划提供资金，该计划评估大西洋风电场的飓风相关风险，并为OWT支撑结构的抗飓风设计提供资金，以克服海上风能开发的障碍。 该研究计划建立在与墨西哥湾飓风多发地区的石油和天然气平台开发以及北海和波罗的海风能开发相关的知识基础上。该项目包括四项综合研究任务：（1）开发大西洋海岸概率飓风灾害建模框架;（2）OWT支撑结构的脆弱性分析框架，包括原型支撑结构的案例研究;（3）单个涡轮机之间的关系脆弱性和风电场可靠性;以及（4）新颖的设计细节，用于提高OWT支撑结构对飓风引起的风和波浪组合载荷的鲁棒性。一个垂直整合的合作研究团队，从本科到两所高等院校的教授级，以及一个外展计划，包括与马萨诸塞州大学的海上风能IGERT计划的合作伙伴关系，阿默斯特和指导高中青年在波士顿通过东北大学中心干教育承诺，以丰富学生参与者的经验，并加强这一点根据国家可再生能源实验室的数据，要实现到2030年可再生能源占总能源需求20%的国家目标，就必须安装54吉瓦的海上风电。这反过来又要求从根本上消除海上风能开发的障碍。美国国家科学院最近的一份报告指出，大西洋风力发电场对飓风的脆弱性就是这样一个屏障，而这个项目解决了这个屏障的工程方面。大西洋风力发电场在其运行寿命期间遭遇飓风的可能性增加了与风力发电场性能相关的不确定性，从而增加了相关的融资和保险成本，从而增加了能源成本。该合作研究项目的重点是海上风力涡轮机（OWT）结构，这些结构是大西洋沿岸的典型结构，因此将暴露在极端的风和波浪载荷下。该项目的关键组成部分是建立在地震工程领域现有的广泛知识基础上，包括概率危险分析、基于性能的设计概念和非线性动态建模。与工业界的伙伴关系将把研究方向集中在风能和灾难风险行业的具体需求上。