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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Numerical study shows that wind and current are the two major factors contributing to the mooring line tension, and surge and sway are the two dominant motions of the moored vessel subjected to environmental excitations.
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Thereby, nonlinear phenomena produced by the motion of the mooring line or the interaction between fluid and line are not considered.
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The mathematical description of the real mooring line is performed using a multibody system approach.
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Mooring line tension observed through a maximum entropy spectrum
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A method for measuring mooring line tension is proposed based on observation of the natural frequencies of the mooring line segment between the winch and the fairlead.
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| | The anti-storm-wave cages with HDPE pipe working deck and cylindrical net are the most popular in today's cages aquaculture in open ocean in China.Studying the characters of tension in their mooring lines can not only exhibit the whole hydrodynamics performance of the cage but also provide basic data for mooring design.Physical models of the cages with a perimeters of 40 m and a depth of 6 m were experimented in the State Key Laboratory of Coastal and Offshore Engineering in Dalian University of Technology ... | | HDPE框架圆柱形网箱是目前我国应用最广泛的抗风浪网箱养殖设施。作者以40 m×6 m该种网箱为原型,选择λ=1/16和λ′=1/3.625~1/4.333的尺度比制造模型,于2003年7月在大连理工大学开展了模型试验,研究其在纯流(0~1.25 m.s-1)、纯波(0 m、3 m和6m)及其联合作用下的运动状态和缆绳张力特性。结果表明,缆绳张力对台风浪的响应过程复杂,纯波浪时呈“波群”状态,波流联合时呈“漂移”状态,而对季风浪响应则无此现象,其对网箱在台风浪下的破坏作用需继续研究;台风浪下,张力回归方程为T=95423V2-42546V+63329(R2=0.8736)(无底框架)和T=54161V2+8613.7V+67319(R2=0.8862)(带底框架);流速从1 m.s-1增到1.25 m.s-1时,张力增幅分别达92.5%(无底框架)和61.7%(带底框架),表明该网箱应布置在流速小于1 m.s-1的海区;在波流联合作用下,左右缆绳张力存在一定差异,试验中相差约25%,实际工况下波流分布更复杂,张力差异更大,建议取迎波流面两缆力和的统计最大值作为单锚及锚... | | 文摘来源 | |   |
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