A feasibility study for establishing a design tool for floating tidal energy system

建立浮动潮汐能系统设计工具的可行性研究

• 批准号: EP/M020282/1
• 负责人: Qing Xiao
• 金额: $ 14.76万
• 依托单位: University of Strathclyde
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2014
• 资助国家: 英国
• 起止时间: 2014 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=EP%2FM020282%2F1
• 关键词: feasibility; study; establishing; design; tool

In the past decade, tidal stream energy converters have become a major focus for renewable energy R&D with a number of turbine farms now in its planning and development phase. The majority of existing designs for tidal energy devices utilize sea-bed mounted turbine energy converters. These underwater devices however present many challenges related to economic and technical viability in terms of their installations and maintenances cost. In recent years, a floating type tidal energy device is being developed. The installation of such a device comprises of single or multiple turbines mounted on a floating platform anchored to the sea-bed with mooring lines. Research and industry teams in China and UK have presented multiple demonstrations both on a model scale and a full scale floating tidal energy converter. All of the results add credibility to their technical feasibility and cost effective nature as compared to fixed turbines. Despite the advantages of floating tidal current turbines (FTCT) over their fixed counterparts, the existing design guidance is not deemed to be ready for the commercial market. The key challenges include guaranteeing the safety of supporting platform and floating mooring lines, the survivability of large scale rotor under extreme sea conditions, the accurate assessment for the proper site selection and the reliable evaluation of environmental impacts. Existing industry design tools rely very much on the simplified models or individual component design rules which negatively impact the energy extraction process/amount/supply. The proposed project aims to integrate the work already carried out at University of Strathclyde in UK in the field of offshore renewable energy and floating offshore structure with the work performed at (a) Harbin Engineering University in China in the area of floating tidal turbine and (b) Ocean University of China in China in the field of tidal resources and environment impacts assessment. The main goal of the proposed research is to explore whether an integrated method is feasible to better understand the fundamental physics associated with a coupled floating tidal energy system through numerical framework with experimental comparisons and validations. This would then potentially provide more accurate industry design guidelines for the future commercialized FTCTs and other floating marine energy devices.

在过去的十年中，潮汐流能量转换器已经成为可再生能源研发的主要焦点，许多涡轮机农场现在处于规划和开发阶段。潮汐能装置的大多数现有设计利用海底安装的涡轮机能量转换器。然而，这些水下装置在其安装和维护成本方面存在与经济和技术可行性相关的许多挑战。近年来，正在开发漂浮型潮汐能装置。这种装置的安装包括安装在浮动平台上的单个或多个涡轮机，浮动平台用系泊线锚定在海床上。中国和英国的研究和工业团队已经在模型规模和全尺寸浮动潮汐能转换器上进行了多次演示。与固定涡轮机相比，所有结果都增加了其技术可行性和成本效益的可信度。尽管浮式潮流涡轮机（FTCT）相对于固定式涡轮机具有优势，但现有的设计指南并不适用于商业市场。关键挑战包括保证支撑平台和浮式系泊缆的安全性、大型转子在极端海况下的生存能力、正确选址的准确评估以及环境影响的可靠评估。现有的工业设计工具非常依赖于简化的模型或单个部件设计规则，这对能量提取过程/量/供应产生负面影响。本项目旨在将英国斯特拉斯克莱德大学在海上可再生能源和浮式海上结构物领域已经开展的工作与（a）中国哈尔滨工程大学在浮式潮汐涡轮机领域和（B）中国海洋大学在潮汐资源和环境影响评估领域开展的工作相结合。所提出的研究的主要目标是探索一个综合的方法是否是可行的，以更好地了解与耦合浮式潮汐能系统通过数值框架与实验比较和验证的基本物理。这将为未来商业化的FTCT和其他浮动海洋能源设备提供更准确的工业设计指南。

项目成果

Investigation on H-shape Vertical Axis Turbine with Flexible Blade

H型柔性叶片垂直轴水轮机研究

• 发表时间: 2015
• 作者: W.D. Liu

Investigation on Darrieus type straight blade vertical axis wind turbine with flexible blade

• DOI: 10.1016/j.oceaneng.2015.10.027
• 发表时间: 2015-12
• 期刊: Ocean Engineering
• 影响因子: 5
• 作者: Wendi Liu;Q. Xiao

Investigation on the hydrodynamics of the catamaran hull of a floating tidal power generation device

浮式潮汐发电装置双体船体水动力研究

• 发表时间: 2015
• 作者: Y C Liu

Investigation of the effects of the platform motion on the aerodynamics of a floating offshore wind turbine

平台运动对浮动海上风力发电机空气动力学影响的研究

• 发表时间: 2015
• 作者: Y C Liu

Study of three-dimensional tidal stream energy around Zhaitang Island, China

斋堂岛周边三维潮流能研究

• 发表时间: 2015
• 作者: Z. Y. Xu