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Experimental study on the performance of the multiple-layer breakwater

机译：多层防波堤性能的实验研究

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摘要

Based on the idea of disturbing the water motion in the upright direction, a new kind of multiple-layer breakwater is proposed in this article, which mainly consists of several horizontal plates. The breakwater's performance of dissipating waves has been investigated in detail in the regular wave tests. The factors identified with the characteristics of the breakwater are discussed, such as the relative width, the wave steepness and the models geometrical parameters (the width and the gap). The comparison and analysis of the transmission and reflection coefficients with respect to different factors are presented. The model test results indicate that the multiple-layer breakwater has the good characteristic of dissipating waves. Further more, only in a little extent can it reflect the waves. The multiple-layer breakwater proposed in the paper is very significative to promote the open type breakwater to be the permanent wave attenuator in the application.
机译：基于扰动水在竖直方向上运动的思想，本文提出了一种新型的多层防波堤，其主要由几个水平板组成。在常规波浪试验中已详细研究了防波堤的消散波浪性能。讨论了用防波堤的特征确定的因素，例如相对宽度，波浪陡度和模型几何参数（宽度和间隙）。对不同因素下的透射系数和反射系数进行了比较和分析。模型试验结果表明，多层防波堤具有良好的消波特性。此外，它只能在很小的程度上反射波浪。本文提出的多层防波堤对于在应用中将敞开式防波堤作为永久波衰减器具有重要意义。

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