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Experimentally validated numerical method for the hydrodynamic design of horizontal axis tidal turbines

机译：水平轴潮汐水轮机水动力设计的实验验证数值方法

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摘要

Although a lot can be learnt from technology transfer from wind turbines and ship propellers, there have been a few experiments investigating marine current turbines. As a result, a study has been carried out on the power, thrust and cavitation characteristics of 1/ 20th scale model of a possible 16m diameter horizontal axis tidal turbine. Cavitation tunnel experiments for different blade pitch settings have been compared with simulations based on a developed blade element-momentum theory. This theory has been shown to provide a satisfactory representation of the experimental turbine performance characteristics. As an example application, the developed theory has been used to design possible horizontal axis tidal turbines for the tidal flows around Portland Bill. The results show that there is a clear balance between design loads and optimisation of energy yields.
机译：尽管可以从风力涡轮机和船舶螺旋桨的技术转让中学到很多东西，但是有一些实验研究了海流涡轮机。结果，对可能的直径为16m的水平轴潮汐涡轮机的1/20比例模型的功率，推力和空化特性进行了研究。已将针对不同桨距设定的气穴隧道实验与基于已发展的桨叶要素动量理论的模拟进行了比较。该理论已被证明可以令人满意地代表实验涡轮机的性能特征。作为示例应用，已发展的理论已用于为波特兰比尔周围的潮流设计可能的水平轴潮汐涡轮机。结果表明，设计负载与能量产出的优化之间存在明显的平衡。

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