Determining tidal turbine farm efficiency in the Western Passage using the disc actuator theory

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• 作者：Shivanesh Rao ; Huijie Xue ; Min Bao ; Simon Funke
• 关键词：Tidal power ; Tidal turbine efficiency ; Disc actuator theory ; Tidal turbine farms ; Western passage ; Bay of Fundy ; Farm optimization
• 刊名：Ocean Dynamics
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：66
• 期：1
• 页码：41-57
• 全文大小：4,025 KB
• 参考文献：Bao M (2013) Tidal Turbine Array Optimization - using the Quoddu regions as an example, PhD thesis, Ocean University of China
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• 作者单位：Shivanesh Rao (1)
  Huijie Xue (1)
  Min Bao (2)
  Simon Funke (3)
  
  1. School of Marine Sciences, University of Maine, Orono, ME, 04469-5706, USA
  2. State Key Laboratory of Satellite Ocean Environment Dynamics, 2nd Institute of Oceanography, Hangzhou, 310012, China
  3. Center for Biomedical Computing, Simula Research Laboratory, Fornebu, Norway
  
• 刊物类别：Earth and Environmental Science
• 刊物主题：Earth sciences
  Oceanography
  Geophysics and Geodesy
  Meteorology and Climatology
  Fluids
  Structural Foundations and Hydraulic Engineering
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1616-7228

文摘

Tidal power potential is determined across the Western Passage in Passamaquoddy Bay using the Finite Volume Community Ocean Model (FVCOM). The tidal turbines are implemented in FVCOM using the disc actuator theory method to determine the power potential for different densities and arrangements of tidal turbines. At the most efficient setting for 10 turbines across the Western Passage, the optimal turbine drag coefficient is 2.0 and the average power output, in a 2-week period, is ∼819 kW. Results suggest that for a single row of turbines, the addition of turbines decreases the efficiency of the turbine farm, but this decrease in efficiency is less than 7 %. A parallel distribution of turbines in an array diminishes the average power for turbines in the shadow of other turbines, while staggered distribution in an array increases the average power extraction for some turbines, due to the speed gains in the gaps between turbines. A simple tidal farm optimization using the OpenTidalFarm (OTF) model suggests a similar tidal farm distribution.