剪切流和唤醒一个置的浮动潮轮机的动力
Lilian Lieber1,2, Shaun Fraser3, Daniel Coles4
1Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK. lilian.lieber@mba.ac.uk.
Nature communications
|September 20, 2024
概括
研究人员使用无人机和声学分析来研究漂浮的潮轮机周围的动荡水流. 这有助于了解这些设备如何影响海洋环境,并改善未来的海洋能源提取.
科学领域:
- 海洋可再生能源海洋可再生能源
- 海洋学 海洋学 海洋学
- 流体动力学 流体动力学
背景情况:
- 海洋能源提取,特别是潮能源,面临着由于复杂,的水流的挑战.
- 了解设备引起的环境变化对于浮动潮轮机技术的完整性至关重要.
- 需要先进的现场测量来捕捉真实世界,在海洋能源设备周围的多尺度流动相互作用.
研究的目的:
- 量化流水在公用事业规模的浮动潮轮机周围流动的复杂性.
- 评估由轮机影响的取决于地点和规模的流量特征.
- 提供实证数据,用于验证海上能源平台的计算流体动力学模型.
主要方法:
- 利用空中无人机进行高分辨率的空间数据采集.
- 采用声学造型横断曲线来跟踪流动力学.
- 结合的技术来量化流入条件,速度缺陷和远传播.
主要成果:
- 其特点是剪切,流的流入与逆转的剪切配置文件,高流强度 (>20%),和大型流长度尺度 (>0.4D).
- 检测到显著的下游速度缺陷 (在4D时高达20%).
- 通过声学反射追踪,追踪了轮的影响在超过30D的距离上的远距离传播.
结论:
- 这项研究提供了关于浮动潮轮机周围的多尺度流体物理学的关键实证数据.
- 调查结果强调了详细流量表征对于评估环境影响和设备性能的重要性.
- 这项研究弥合了海洋能源开发中模拟和现实世界的流体物理之间的差距.
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