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Marine Hydrokinetic Energy from Western Boundary Currents

机译：来自西部边界电流的海洋水力能量

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摘要

The kinetic energy in ocean currents, or marine hydrokinetic(MHK)energy, is a renewable energy resource that can help meet global energy requirements. An ocean circulation model–based census shows that subtropical surface western boundary currents (WBCs) are the only nearshore, large-scale currents swift enough to drive large electricity-generating ocean turbines envisioned for future use. We review several WBCs in the context of kinetic energy extraction. The power density in the Gulf Stream off North Carolina at times reaches several thousand watts per square meter at 75 m below the surface, and the annual average power is approximately 500–1,000 W m~(-2). Significant fluctuations occur with periods of 3–20 days (Gulf Stream meanders) and weeks to months (Gulf Stream path shifts). Interannual variations in annual average power occur because of year-to-year changes in these WBC motions. No large-scale turbines presently exist, and the road to establishing MHK facilities in WBCs will encounter challenges that are similar in many aspects to those associated with the development of offshore wind power.
机译：海洋电流的动能，或海洋水管（MHK）能量，是一种可再生能源，可以帮助满足全球能源需求。基于海洋循环模型的人口普查显示，亚热带表面西部界线（WBC）是唯一的近岸，大型电流迅速推动大型电力发电，设想以供将来使用。在动能提取的背景下，我们审查了几个WBC。北卡罗来纳州海湾溪流的电力密度有时达到几千吨，下面75米处的每平方米，年平均功率约为500-1,000 W m〜（2）。 3-20天（海湾流蜿蜒）和数周至数周（海湾流路径班次）发生显着波动。由于这些WBC动议的年度变化，年平均权力的年平均权力的年平均变化。目前，没有大规模的涡轮机存在，并且在WBC中建立MHK设施的道路将遇到与海上风力发展相关的许多方面相似的挑战。

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  • 来源
    《Annual review of marine science》 |2017年第1期|共19页
  • 作者

    John M. Bane; Ruoying He; Michael Muglia; Caroline F. Lowcher; Yanlin Gong; Sara M. Haines;

  • 作者单位

    Department of Marine Sciences University of North Carolina Chapel Hill North Carolina 27599-3300;

    Department of Marine Earth and Atmospheric Sciences North Carolina State University Raleigh North Carolina 27695-8208;

    University of North Carolina Coastal Studies Institute Wanchese North Carolina 27891;

    Department of Marine Sciences University of North Carolina Chapel Hill North Carolina 27599-3300;

    Department of Marine Earth and Atmospheric Sciences North Carolina State University Raleigh North Carolina 27695-8208;

    Department of Marine Sciences University of North Carolina Chapel Hill North Carolina 27599-3300;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 海洋学;
  • 关键词

    Marine Hydrokinetic Energy; Western Boundary; Currents;

    机译：海洋水力能量;西部边界;电流;

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