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首页> 外文期刊>Journal of hydraulic research >A bottom mounted wavemaker in water wave flumes
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A bottom mounted wavemaker in water wave flumes

机译:水波冲泡的底部安装的波浪制造商

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Reflections of the surface waves in hydraulic wave flumes could affect the performance of the common piston, hinged and plunger type wavemakers. This paper proposes a new wavemaker to produce surface waves where the possible reflections are barely able to affect its performance. The proposed wavemaker includes an oscillating paddle at the bottom of the flume where the produced upward flow induces travelling surface waves. An analytical study is carried out on the wave generation of the system. It is shown that the paddle length could significantly affect the height of the generated waves, which could not happen in conventional wavemakers. Effects of the water depth and the excitation frequency on the induced surface waves are also investigated. It is demonstrated that for a specific paddle length, water depth and forcing period the best performance of the system could be achieved.
机译:液压波形液体中表面波的反射可能影响普通活塞,铰接和柱塞式波浪运动员的性能。 本文提出了一种新的波浪制造商,以产生可能的反射的表面波,即可能的反射率几乎不能影响其性能。 所提出的波浪制造商包括在水槽的底部的振动桨,其中产生的向上流动诱导行驶表面波。 在系统的波浪生成上进行分析研究。 结果表明,桨叶长度可以显着影响所产生的波的高度,这不能在传统的波动器中发生。 还研究了水深和励磁频率对诱导表面波的影响。 据证明,对于特定桨叶长度,水深和强制阶段可以实现系统的最佳性能。

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