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Coastal impact induced by a Pelamis wave farm operating in the Portuguese nearshore

机译：在葡萄牙近岸经营的Pelamis波浪养殖场引起的沿海影响

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摘要

The objective of the present work is to evaluate the local and coastal impact of a wave farm based on Pelamis convenors that would operate in the Portuguese nearshore. The target area is the coastal environment located north of Peniche. This sector was found in previous studies as representing a significant hot spot from the point of view of the wave energy. An analysis of the wave climate based on historical buoy data was first carried out. This allowed also a preliminary assessment of the electric power expected to be delivered by a Pelamis device in the coastal area targeted. Two farm configurations are considered and simulations with the SWAN spectral model were performed for each case and also for the actual situation when no wave farm operates. The impact in both geographical and spectral spaces was evaluated for various representative wave patterns. Moreover, in order to estimate the influence of the wave farm on the shoreline dynamics, the nearshore circulation was also evaluated using a Surf model. The results show that the presence of a Pelamis based wave farm operating offshore has a strong influence on the wave conditions immediately down wave, but this influence is usually attenuated at the level of the coastline. On the other hand, it appears also that at the surf zone level the longshore current velocity is in relative terms more sensitive to the presence of the wave farms than the significant wave height.
机译：本工作的目的是评估将在葡萄牙近海开展业务的Pelamis召集人为基础的波浪农场对当地和沿海地区的影响。目标区域是位于佩尼切北部的沿海环境。从波浪能的角度来看，在先前的研究中发现该领域代表了一个重要的热点。首先根据浮标历史数据对海浪气候进行了分析。这还允许对预计将由Pelamis设备在目标沿海地区输送的电力进行初步评估。考虑了两种场配置，并针对每种情况以及没有波浪场运行时的实际情况，使用SWAN频谱模型进行了仿真。针对各种代表性的波型，评估了在地理和光谱空间中的影响。此外，为了估算波浪场对海岸线动力学的影响，还使用Surf模型评估了近岸环流。结果表明，在近海中运行的基于Pelamis的波浪农场对下海浪条件的影响很大，但是这种影响通常会在海岸线水平上减弱。另一方面，似乎在海浪区水平上，相对于波浪场，远岸海流速度比有意义的波浪高度更敏感。

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  • 来源
    《Renewable energy》 |2013年第10期|34-49|共16页
  • 作者

    Eugen Rusu; C. Guedes Soares;

  • 作者单位

    Centre for Marine Technology and Engineering (CENTEC), Institute Superior Tecnico, Technical University of Lisbon. Lisboa, Portugal;

    Centre for Marine Technology and Engineering (CENTEC), Institute Superior Tecnico, Technical University of Lisbon. Lisboa, Portugal;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    pelamis wave farms; portuguese nearshore; SWAN; wave transformation; shoreline dynamics;

    机译：pelamis海浪农场;葡萄牙近岸;天鹅;波变换海岸线动力学;

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