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Shoubo Shang, Xiangyu Wang, Qingnan Han, Peng Jia, Feihong Yun, Jing Wen, Chao Li, Ming Ju and Liquan Wang
This paper proposes a version of the deep-sea environment simulated test system for subsea control modules to solve the problem of incomplete testing systems for electro-hydraulic subsea control modules. Based on the subsea control module test requiremen...
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Chao Li, Nan Pang, Kai Xu, Qingling Geng, Xiangyu Wang, Feihong Yun and Lei Gao
In order to clean up marine fouling attached to marine steel pile, this paper proposed an innovative configuration scheme of the marine steel pile cleaning equipment by the scraping method and its telescopic mechanism by applying a multi-cylinder synchro...
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Dong Liu, Feihong Yun, Kefeng Jiao, Liquan Wang, Zheping Yan, Peng Jia, Xiangyu Wang, Weifeng Liu, Xiaoquan Hao and Xiujun Xu
Underwater oil and gas pipelines are prone to alignment differences and angle offsets during docking, and the spherical flange connector can address this problem. Its main function is to enable compensation of the different angles of the pipeline during ...
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Feihong Yun, Dong Liu, Xiujun Xu, Kefeng Jiao, Xiaoquan Hao, Liquan Wang, Zheping Yan, Peng Jia, Xiangyu Wang and Bin Liang
Taking a subsea collet connector as an example, the contact characteristics of the sealing structure of the subsea connector under thermal?structural coupling were studied. Considering the heat transfer problem of the subsea connector in deep water, the ...
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Ming Ju, Xiaodong Xing, Liquan Wang, Feihong Yun, Xiangyu Wang and Hongqian Liao
During the reeling process of the reel-lay method, the pipe will be subjected to combined loading of tension and bending. Excessive ovalization of the pipe will affect the structural performance and even lead to structural instability of the pipe. In thi...
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Kai Xu, Gang Wang, Luyao Zhang, Liquan Wang, Feihong Yun, Wenhao Sun, Xiangyu Wang and Xi Chen
In this study, an annular jet pump optimization method is proposed based on an RBF(Radial Basis Function) neural network model and NSGA-II(Non-Dominated Sorting Genetic Algorithm) optimization algorithm to improve the hydraulic performance of the annular...
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Chao Li, Gang Wang, Kaiyun Chen, Peng Jia, Liquan Wang, Xiangyu Wang and Feihong Yun
In this paper, a cleaning robot is designed to remove the marine fouling attached to a marine steel pile. In the following study, in order to analyse the process of cleaning marine fouling attached to a rough substrate, the barnacle is taken as a typical...
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Liquan Wang, Ming Ju, Xiaodong Xing, Feihong Yun and Xiangyu Wang
The dynamic behavior of the flexible pipeline during deepwater Flex-lay directly determines the structures of laying facilities and the actual installation process. A coupled dynamic model considering the effects of different factors was established in t...
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Kai Xu, Gang Wang, Liquan Wang, Feihong Yun, Wenhao Sun, Xiangyu Wang and Xi Chen
Jet pump efficiency heavily relies on the geometrical parameters of the pump design and parameter global optimization in the full variable space is still a big challenge. This paper proposed a global optimization method for annular jet pump design combin...
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Nan Pang, Peng Jia, Peilin Liu, Feng Yin, Lei Zhou, Liquan Wang, Feihong Yun and Xiangyu Wang
The reliability of many engineering systems (such as offshore and subsea equipment, aerospace equipment, energy production equipment, etc.) is very important, but due to a lack of sufficient failure data, their reliability is difficult to accurately eval...
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