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Arrangement Plan of Buoyancy Modules for the Stable Operation of the Flexible Riser in a Deep-Seabed Mining System
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  • Journal title : Ocean and Polar Research
  • Volume 37, Issue 2,  2015, pp.119-125
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2015.37.2.119
 Title & Authors
Arrangement Plan of Buoyancy Modules for the Stable Operation of the Flexible Riser in a Deep-Seabed Mining System
Oh, Jae-Won; Min, Cheon-Hong; Lee, Chang-Ho; Hong, Sup; Bae, Dae-Sung; Lim, Jun-Hyun; Kim, Hyung-Woo;
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 Abstract
This paper focuses on the efficient arrangement plan of buoyancy modules, which plan is used to secure the safe operation and structural stability of a marine riser. The marine riser is connected between a vessel and seabed devices. The movement of the vessel and the seabed devices are affected by the motion of the riser. The riser of a deep-seabed integrated mining system exerts a strong influence on the healthy transfer of minerals. So, buoyancy modules must be equipped to compensate for the problem which is the structure stability and the dynamic motion. Installation locations and quantities of the buoyancy modules are determined by real sea experiments. But this is not easy to do because in real sea experimental conditions the cost is expensive as well as being, time-consuming and dangerous. Therefore, the locations and quantities should be determined by numerical simulation. This method is called simulation-based design. The dynamic analysis models of the riser and the buoyancy modules are built into the commercial software of DAFUL.
 Keywords
flexible riser;deep-seabed mining system;buoyancy module;arrangement plan;multi-body dynamics;
 Language
Korean
 Cited by
1.
A Study on the Simulation-based Design for Optimum Arrangement of Buoyancy Modules in Marine Riser System, Journal of Ocean Engineering and Technology, 2016, 30, 1, 10  crossref(new windwow)
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