Results 31 to 40 of about 1,052 (146)

Simulation Study on Hydraulic System of Shallow Mud Line Christmas Tree

Shiyou jixie, 2022
In order to explore the hydraulic system performance of ST4×2-5M shallow mud line Christmas tree, the parameters, functions and principles of the 3 key parts affecting the performance of the hydraulic system were studied, and the models of gate ...
Li Huan, Sun Chuanxuan, Li Lei, Lei Wanzheng, Liu Wenxiao   +4 more
doaj  

Study on Dynamic Behavior of Unmanned Surface Vehicle-Linked Unmanned Underwater Vehicle System for Underwater Exploration

Sensors, 2020
This paper focuses on motion analysis of a coupled unmanned surface vehicle (USV)−umbilical cable (UC)−unmanned underwater vehicle (UUV) system to investigate the interaction behavior between the vehicles and the UC in the ocean environment ...
Mai The Vu, Mien Van, Duc Hong Phuc Bui, Quang Thang Do, Tuan-Tu Huynh, Sang-Do Lee, Hyeung-Sik Choi   +6 more
doaj   +1 more source

A Study on the Problem of AC Corrosion of Power Umbilical Cables Caused by Electromagnetic Induction Phenomena

Energies
During the normal laying and operation of a three-core umbilical cable, AC current can easily lead to AC electrochemical corrosion on the outer surface of the steel tube.
Pengjin Shao, Haijun Li, Pan Pan, Qibing Shao, Zhen Li, Jiaming Yang   +5 more
doaj   +1 more source

Comparative Study on Alternative Umbilical Cable Configurations for Deep-Sea Mining System

Journal of Marine Science and Engineering
The umbilical cable plays a critical role in deep-sea mining systems by connecting the surface support vessel to the mining vehicle. If the spatial configuration of the umbilical cable is unsuitable for mining vehicle operations, it may experience ...
Wen Shen, Zhenqin Yuan, Shuqing Wang, Lei Li, Xinrui Yang, Jiancheng Liu, Chaojun Huang, Shipeng Wang, Fengluo Chen   +8 more
doaj   +1 more source

A Hybrid Gaussian Process Framework for Rapid Prediction of Umbilical Cable Mechanics in Deep-Sea Mining

Journal of Marine Science and Engineering
The umbilical cable is an important component of the deep-sea mining system, serving as the sole connection between the surface support vessel and the seabed mining system.
Zhihao Yu, Chaojun Huang, Shuqing Wang, Jiancheng Liu, Yuankun Sun, Lei Li, Wencheng Liu, Liwei Yu, Yuanhe Li   +8 more
doaj   +1 more source

Equipo para la verificación de conexiones soldadas de tuberías recubiertas internamente

AiBi Revista de Investigación, Administración e Ingeniería, 2020
El presente paper describe el diseño y la construcción de un equipo que permite la verificación de conexiones soldadas de tuberías recubiertas internamente, utilizadas en el transporte de fluidos del sector petrolero, permitiendo caracterizar las ...
William Aperador-Chaparro, Gabriel Humberto Castiblanco   +1 more
doaj   +1 more source

Prediction of the temperature distribution of partially submersed umbilical cables [PDF]

Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2012
The objective of this work is to predict the temperature distribution of partially submersed umbilical cables under different operating and environmental conditions. The commercial code Fluent® was used to simulate the heat transfer and the air fluid flow of part of a vertical umbilical cable near the air-water interface.
Krieger, Guenther Carlos, Yanagihara, Jurandir Itizo   +1 more
openaire   +3 more sources

Automatic Filling Optimization Design of Filler Bodies in Umbilical Cross-Section Based on Quasi-Physical Algorithm

Shanghai Jiaotong Daxue xuebao
As a key component in the subsea production system for oil and gas exploitation, a marine umbilical consists of optical cables, electrical cables, steel tubes, and filler bodies.
YIN Xu, CAO Donghui, TIAN Geng, YANG Zhixun, FAN Zhirui, WANG Gang, LU Yucheng, WANG Hui
doaj   +1 more source

AWUCD-Net: The Armored Wire Umbilical Cable Surface Defect Detection Algorithm Based on Improved YOLOv7

IEEE Access
When armored wire umbilicals are used for launching and recovering the seafloor drill, they need to be detected for defects to prevent accidents. Existing wire rope non-destructive detection methods are susceptible to interference, low efficiency, high ...
Du Chen, Yongping Jin
doaj   +1 more source

Conceptualization and Experimental Verification of a 50 kW 600 V/4 kV/600 V DC Power Supply System for Ultra-Deep-Sea HyDrones

IEEE Access
Remotely operated underwater vehicles (ROVs) are crucially important in deep-sea exploration. Today, ROVs are typically supplied from a surface vessel via a medium-voltage (MV) 50 Hz/60 Hz ac umbilical.
David Menzi, Bhagyalakshmi Kakarla, Alexandre Capaul, Marcel Frei, Igor Dorrestijn, Johannes Singer, Johann W. Kolar, Jonas Huber   +7 more
doaj   +1 more source