Zobrazeno 1 - 10
of 1 887
pro vyhledávání: '"Sea trial"'
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:
Frontiers in Marine Science, Vol 11 (2024)
The underwater manipulator is a versatile tool commonly used for various underwater operations. In this study, we developed a heavy-duty hydraulic manipulator capable of operating at full ocean depth. The overall system design integrates both the mec
Externí odkaz:
https://doaj.org/article/8b7c12887ade4fd0bce9a51205cae8a5
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 9, p 1625 (2024)
Flexible cages are widely used in marine aquaculture, yet their mechanical features in extreme seas are still unclear. This study proposes a numerical algorithm to solve the coupled response of the multiple cage systems. The net and mooring lines are
Externí odkaz:
https://doaj.org/article/7d3e3e97095d4c7dbcdb63c6de0b0c8a
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 7, p 1150 (2024)
The innovative aquaculture equipment known as high-density polyethylene (HDPE) floating rafts has gained popularity among fishermen in the southeast coastal regions of China. Compared to deep-water anti-wave fish cages, the construction costs of HDPE
Externí odkaz:
https://doaj.org/article/4cea3df68a3c4cd2aed3fe2640cefdb0
Publikováno v:
IEEE Access, Vol 11, Pp 61412-61421 (2023)
The performance of underwater acoustic communication is significantly affected by multipath propagation and Doppler spread. In this paper, we propose a new communication technique called overlapped chirp spread carrier (OCSC) by modifying the existin
Externí odkaz:
https://doaj.org/article/8056ce4b69d242489e9c874f17e4fb98
Autor:
Marko Mikulec, Henry Piehl
Publikováno v:
Brodogradnja, Vol 74, Iss 1, Pp 41-62 (2023)
Verification and validation of Computational Fluid Dynamics (CFD) simulations of a full-scale ship trial are presented in this study. Speed/power trials were carried out according to industry standards for three different power settings. Measured dat
Externí odkaz:
https://doaj.org/article/6e55275c4d984cbeab56847537a277e0
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 3, p 407 (2024)
This paper explores the impact of sampling rates during sea trials on the estimation of hydrodynamic parameters in a nonlinear manoeuvring model. Sea trials were carried out using an offshore patrol vessel and test data were collected. A nonlinear ma
Externí odkaz:
https://doaj.org/article/b0bd781fb6e549859e7cf36cc8b58f88
Akademický článek
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Akademický článek
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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