Results 11 to 20 of about 15,475 (305)

Energy pipeline strength evaluation and reliability technology based on Fuzzy deep learning network algorithm

open access: yesEnergy Reports, 2022
For formulate an effective maintenance scheme of submarine pipeline and effectively ensure the safe operation of submarine pipeline, a strength evaluation and reliability technology of energy pipeline based on Fuzzy depth learning network algorithm is ...
Wei Zhang   +6 more
doaj   +1 more source

Overload capacity analysis of extra high voltage AC XLPE submarine cable

open access: yesFrontiers in Energy Research, 2023
When submarine cable line fails or other lines need load transfer, it often suffers from emergency ampacity that exceeds the steady-state ampacity. The layout environment of the submarine cable is always complex and changeable, and the overload capacity ...
Hao Zhang   +5 more
doaj   +1 more source

Submarine pipeline stability under currents and waves action

open access: yesRUDN Journal of Engineering Research, 2021
Pipelines are widely used in recent decades because their eco-friendliness, safety and profitability of transportation. Their length can be more than hundreds and thousands of kilometers. Submarine pipelines got wide distribution. Their constructing must
Konstantine P. Mordvintsev   +2 more
doaj   +1 more source

Wax deposition law and OLGA-Based prediction method for multiphase flow in submarine pipelines

open access: yesPetroleum, 2022
In this study, the effects of wax deposition on submarine multiphase pipelines are investigated. In order to understand the mechanism of wax deposition in submarine multiphase pipelines, a wax deposition model in a submarine pipeline was established ...
Ying Xie, Jin Meng, Diwen Chen
doaj   +1 more source

Floatation of Buried Submarine Pipeline under Cyclic Loading of Water Pressure -Numerical and Experimental Studies- [PDF]

open access: yes, 2000
A dynamic response of a submarine pipeline buried in sandy seabed sediments to water loading generated by harmonically oscillating water-table vertical movements is examined in the present report experimentally and numerically.
Maeno, Shiro   +2 more
core   +1 more source

Development and Experiment of Clamp Type Submarine Cable Inspection Robot

open access: yesMachines, 2023
Relying on the research and development project of an auxiliary device for a submarine cable to cross a steel pipeline, with regard to a long-distance submarine cable crossing a pipeline, combined with a pipe-climbing robot and the laying of the ...
Zhuo Wang, Yufan Wang, Bo Zhang
doaj   +1 more source

Types of submarine pipeline boundary conditions and implications for pipeline walking behaviour [PDF]

open access: yesJournal of Hebei University of Science and Technology
The ends of deep-sea submarine pipelines are usually connected to wellheads, suspended chain line risers, pipeline end manifolds, etc. , and the boundary conditions at the end of the pipelines are complicated.
Chunhui ZHANG   +6 more
doaj   +1 more source

Prediction of submarine pipeline corrosion based on parameter optimized GM-Markov model

open access: yesYou-qi chuyun, 2020
To avoid accidents such as perforation leakage caused by submarine pipeline corrosion, and to timely maintain and protect submarine pipelines, the prediction method for submarine pipeline residual life based on parameter-optimized GM-Markov model was ...
Xinsheng ZHANG   +3 more
doaj   +1 more source

The JCOE/JCOC manufacturing process and collapse resistance of submarine pipeline

open access: yesAdvances in Mechanical Engineering, 2023
Submarine pipeline is an important part of deep-sea and ultra-deep-sea oil and gas development. In the cold forming process of longitudinal submerged arc welded (LSAW) pipe, the JCO manufacturing process is one of the key forming technologies for ...
Deping Peng   +5 more
doaj   +1 more source

We All Live in a Virtual Submarine [PDF]

open access: yes, 2010
Our seas and oceans hide a plethora of archaeological sites such as ancient shipwrecks that, over time, are being destroyed through activities such as deepwater trawling and treasure hunting.
Bale, Kim, Chapman, Paul, Drap, Pierre
core   +1 more source

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