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首页> 外文期刊>Ocean Engineering >Mooring forces in horizontal interlaced moored floating pipe breakwater with three layers
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Mooring forces in horizontal interlaced moored floating pipe breakwater with three layers

机译：三层水平交错式系泊浮管防波堤的系泊力

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The paper presents the results from model scale experiments on the study of forces in the moorings of horizontally interlaced, multi-layered, moored floating pipe breakwaters. The studies are conducted with breakwater models having three layers subjected to waves of steepness H_i/L (H_i is the incident wave height and L the wavelength) varying from 0.0066 to 0.0464, relative width W/L(W is the width of breakwater) varying from 0.4 to 2.65, and relative spacing S/D (S is the spacing of pipes and D the diameter of pipe) of 2 and 4. The variation of measured normalized mooring forces on the seaward side and leeward side are analyzed by plotting non-dimensional graphs depicting f/γW~2 (f is the force in the mooring per unit length of the breakwater, γ the weight density of sea water) as a function W/L for various values of H_i/d (d is the depth of water). It is found that the force in the seaward side mooring increases with an increase in H_i/L for d/W values ranging between 0.081 and 0.276. The experimental results also reveal that the forces in the seaward side mooring decrease as W/L increases, up to a value of W/L = 1.3, and then increases with an increase in W/L. It is also observed that the wave attenuation characteristics of breakwater model with relative spacing of 4 is better than that of the model with relative spacing of 2. The maximum force in the seaward side mooring for model with S/D = 4 is lower compared to that for the breakwater model with S/D = 2. A multivariate non-linear regression analysis has been carried out for the data on mooring forces for the seaside and leeside.
机译：本文介绍了模型研究的水平结果，该模型研究了水平交错，多层，系泊浮管防波堤的系泊力。研究使用具有三层经受陡峭度H_i / L（H_i是入射波高而L是波长）的防波堤模型进行，其变化范围为0.0066至0.0464，相对宽度W / L（W是防波堤的宽度）变化从0.4到2.65，相对间距S / D（S是管道的间距，D是管道的直径）为2和4。通过绘制非对于各种H_i / d值，f /γW〜2（f是防波堤每单位长度的系泊力，γ是海水的重量密度）随W / L函数变化的尺寸图。水）。发现在0.081至0.276之间的d / W值下，海侧系泊力随着H_i / L的增加而增加。实验结果还表明，随着W / L的增加，向海侧的系泊力减小，直至W / L = 1.3，然后随W / L的增加而增加。还可以观察到，相对间隔为4的防波堤模型的波浪衰减特性要好于相对间隔为2的防波堤模型。S/ D = 4的模型在海边锚泊处的最大力比对于具有S / D = 2的防波堤模型而言，已经对海边和背风处的系泊力数据进行了多元非线性回归分析。

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