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首页> 外文期刊>International Journal on Hydropower & Dams >Optimizing the Piano Key weir using numerical and physical models
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Optimizing the Piano Key weir using numerical and physical models

机译：使用数值和物理模型优化钢琴键堰

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摘要

The Piano Key weir (PK weir) provides a good compromise between high discharge capacity needs and the available limited width at many dam sites. In addition, its ease-of-use and low cost compared with gated weirs make it an interesting solution. An additional advantage of PK weirs is that they can be used as a discharge or protective structure for channels and run-of-river hydro plants. These benefits have prompted several research laboratories and organizations to carry out hydraulic studies and tests on physical models to define the optimal form of PK weir. However, numerical modelling of the flow over PK weirs, which may help in the preliminary design of the structures, has only been the subject of a few studies, mainly undertaken by EOF of France.
机译：钢琴键堰（PK堰）在高放电容量需求和许多坝址可用的有限宽度之间提供了很好的折衷方案。此外，与门堰相比，它的易用性和低成本使其成为一个有趣的解决方案。 PK堰的另一个优点是，它们可用作渠道和河道水力发电厂的排水或保护结构。这些好处促使一些研究实验室和组织对物理模型进行水力研究和测试，以确定PK堰的最佳形式。但是，PK堰上的水流数值模拟（可能有助于结构的初步设计）仅是少数研究的主题，主要由法国的EOF进行。

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