Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Yongping JIN"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3316-3334 (2024)
Metal mineral resources are critical materials for the world economic development. In a situation of weak supply of terrestrial rare metals, many countries are expanding the direction of resource extraction from a land-based approach to a land-sea ap
Externí odkaz:
https://doaj.org/article/28d274bafb734a75914d6af620c3e982
Numerical computation and experimental assessment of a pressure-retaining gas-tight sediment sampler
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract The pressure of the recovered sample is intricately connected to seawater temperature, the recovery velocity, and the pressure of the pre-charged gas. To better understand the sample pressure dynamics during the sampling recovery process, we
Externí odkaz:
https://doaj.org/article/f865f5f33be1429e8697dd23312f9f5c
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-16 (2023)
Abstract As a key component of a sediment sampler designed for ultra-high pressures, the sealing structure determines whether pressure retention can be reliably achieved. This study constructed a finite element model to study sealing performance and
Externí odkaz:
https://doaj.org/article/9a8c5f471abe464b8b5209282e057a3d
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
High-efficiency pressure-retaining sampling technology for obtaining seabed sediments is required for studying marine geological history, the survival principles of marine microorganisms, and the evolution of earth life. In this paper, a novel submer
Externí odkaz:
https://doaj.org/article/fb059d4229864420b9c22457efa54b23
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-14 (2022)
Abstract Sediments in the seabed hold vital clues to the study of marine geology, microbial communities and history of ocean life, and the remote operated vehicle (ROV) mounted tubular sampling is an important way to obtain sediments. However, sampli
Externí odkaz:
https://doaj.org/article/8beb69a7633242db997b0b5e9027b138
Publikováno v:
Chinese Journal of Mechanical Engineering, Vol 35, Iss 1, Pp 1-12 (2022)
Abstract Aiming at the requirement of the full-ocean-depth (operating water depth 11000 m) manned submersible to carry out the gas-tight sampling operation of the abyss seabed sediment, a kind of full-ocean-depth carrier submersible mechanical hand-h
Externí odkaz:
https://doaj.org/article/2a0cade16c774fcd8b86d49c5ef50628
Publikováno v:
Advances in Mechanical Engineering, Vol 15 (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 man
Externí odkaz:
https://doaj.org/article/a49993ebefdb4e93b6d5de738b36b999
Publikováno v:
Journal of Applied Science and Engineering, Vol 25, Iss 1, Pp 173-185 (2021)
Seabed sediment samples are vital to the study of marine geology, microbial communities, and the history of life on earth, and pressure-retaining samplers are fundamental to obtaining sediment samples while maintaining in situ conditions. Due to the
Externí odkaz:
https://doaj.org/article/c61ca440be2b4a2fb971640bc6d26fed
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Capturing less damaged organisms samples is the basis for research on the biological communities, living environments, biological life compositions, and biological tissue structures of organisms livinin the deep seabed. The hadal snailfish is pressur
Externí odkaz:
https://doaj.org/article/0e9bf256b9af4ea5a400d41e7cd35712
Publikováno v:
Applied Sciences, Vol 13, Iss 16, p 9178 (2023)
Whether the subsea micro-drilling vehicle (SMDV) can perform its subsequent operations safely depends on the quality of the landing procedure. RecurDyn creates the SMDV dynamic model for this study. A model of the interaction between the SMDV and dee
Externí odkaz:
https://doaj.org/article/9074222e77134e35b9683cb0b5c19cc2