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首页> 外文期刊>Renewable Power Generation, IET >Modelling of a flap-type wave energy converter farm in a mild-slope equation model for a wake effect assessment
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Modelling of a flap-type wave energy converter farm in a mild-slope equation model for a wake effect assessment

机译：在缓坡方程模型中对襟翼式波浪能换能器场进行建模，以评估尾流效果

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It is expected that large farms of wave energy converters (WECs) will be installed and as part of the consenting process it will be necessary to quantify their impact on the local environment. The objective of this study is to assess the impact a WEC farm has on the incoming wave field through the use of a novel methodology. This methodology assesses the changes of the significant wave height surrounding a flap-type WEC farm with a special focus on the lee of the farm. A time-dependent mild-slope equation model is employed to solve the propagation of surface waves and their interaction with the devices. The model represents the devices as obstacle cells with attributed absorption coefficients tuned against near-fields obtained from a boundary element method (BEM) solver. The wake effect of the farm is determined by using a step-by-step approach starting first with an assessment of one device and progressively incrementing to a larger number of flaps. The effect of incident sea states, device separations and water depth changes on the wake effect of the farm is also investigated. This work shows the potential of a WEC farm to reduce significant wave heights on the leeside.
机译：预计将安装大型波浪能转换器（WEC）农场，作为同意程序的一部分，有必要量化它们对当地环境的影响。这项研究的目的是通过使用一种新颖的方法来评估WEC农场对入射波场的影响。该方法评估了襟翼式WEC养殖场周围的显着波高的变化，并特别关注了养殖场的风向。使用时变的缓坡方程模型来求解表面波的传播及其与设备的相互作用。该模型将设备表示为障碍细胞，其吸收系数针对通过边界元方法（BEM）求解器获得的近场进行了调整。农场的唤醒效果是通过使用逐步方法确定的，首先从评估一个设备开始，逐步增加到更多数量的襟翼。还研究了入射海况，设备间距和水深变化对养殖场尾流影响的影响。这项工作显示了WEC农场降低下风侧显着波高的潜力。

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