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Keywords: flexible hose
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Proceedings Papers

Paper presented at the Eleventh Ocean Mining and Gas Hydrates Symposium, June 21–27, 2015
Paper Number: ISOPE-M-15-028
... Abstract In this paper, authors analyzed dynamic characteristics of spatial configuration of flexible hose under different operational scopes and different mining paths, and calculated critical flow velocity of solidliquid two-phase mixture and total pressure drop of flexible hose by existing...
Proceedings Papers

Paper presented at the Tenth ISOPE Ocean Mining and Gas Hydrates Symposium, September 22–26, 2013
Paper Number: ISOPE-M-13-069
... is a single stage positive displacement type driven by an independent hydraulic system that pumps nodules. Pressure drop studies for clear water and slurry flow with solids through flexible hoses of varied bend angles and various bend radii were conducted using the solids pump in an experimental test...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-014
... depth of the sea was about 100m. The lifting system for deep ocean mineral resources includes flexible hoses, lifting pump, buffer, lifting pipes and control/measurements devices. For May and June of 2009, the lifting system was successfully tested. INTRODUCTION Steeply rising oil prices change the...
Proceedings Papers

Paper presented at the Ninth ISOPE Ocean Mining Symposium, June 19–24, 2011
Paper Number: ISOPE-M-11-016
... ABSTRACT: A FEM model of deep sea mining coupling system is built with MSC.MARC software, which consists of seabed, mining machine and flexible hose. Three-dimensional hexahedron elements are adopted to calculate dynamic response under mining machine movement in line path. The Drucker-Prager...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-021
... ocean. Current research on the deep-ocean mining system is mainly focused on static and dynamic analyses of the rigid pipe or flexible hose independently. Although geometrical nonlinear static and dynamic responses of the rigid pipe with free-hanging bottom end were studied by finite element method...
Proceedings Papers

Paper presented at the Eighth ISOPE Ocean Mining Symposium, September 20–24, 2009
Paper Number: ISOPE-M-09-022
... ABSTRACT: Interaction of fluid-solid coupled flexible hose and mining machine in a 1000m deep-ocean mining system is studied based on nonlinear finite element method with fluid-solid coupling model. Effect of the walking paths (e.g. line, circle and square) and walking velocities of the mining...
Proceedings Papers

Paper presented at the Sixth ISOPE Ocean Mining Symposium, October 9–13, 2005
Paper Number: ISOPE-M-05-016
... ABSTRACT: Based on the poly-metallic nodule deep-ocean mining system of COMRA's 1000-m sea trial, a FEM model of pipe system is built with ANSYS, which consists of steel lifting pipe, pump, buffer station and flexible hose. The modeling methods for 1000-m pipe system introduced in this paper...
Proceedings Papers

Paper presented at the Sixth ISOPE Ocean Mining Symposium, October 9–13, 2005
Paper Number: ISOPE-M-05-017
... stiffness coefficients. First two examples are given to show that the DEM model is feasible. Then the three-dimensional DEM model is used to perform dynamic analysis of the entire deep-ocean mining pipe system, including lift pipe, buffer and flexible hose. The top of the lift pipe is hinged at the ship...
Proceedings Papers

Paper presented at the Fifth ISOPE Ocean Mining Symposium, September 15–19, 2003
Paper Number: ISOPE-M-03-018
... flexible riser concept and carried out sea sand mining tests at 410-m water depth (Deepak, CR et al, 2001). virtual reality research lift pipe subsystem comra virtual prototype water depth metals & mining upstream oil & gas flexible hose collector chung collector subsystem...
Proceedings Papers

Paper presented at the Fourth ISOPE Ocean Mining Symposium, September 23–27, 2001
Paper Number: ISOPE-M-01-020
... ABSTRACT: A lab-scale flexible hose apparatus has been designed and manufactured to analyze the flowing characteristics of solid-liquid two-phase mixture in a flexible hose. The experiments for solid-liquid two-phase flow in a flexible hose has been performed by changing experimental factors...
Proceedings Papers

Paper presented at the Second ISOPE Ocean Mining Symposium, November 24–26, 1997
Paper Number: ISOPE-M-97-002
... concentration mining mining technology lifting collector flexible hose sediment imitation mining system institute deep sea mining artificial lift system nodule upstream oil & gas multiphase pump china manganese nodule mining summary crawler research activity Procadings a/the S«ond (/997...
Proceedings Papers

Paper presented at the First ISOPE Ocean Mining Symposium, November 21–22, 1995
Paper Number: ISOPE-M-95-010
... ABSTRACT: The motion characteristics of a towed collector for a manganese nodule mining system which consists of a mining ship, lifting pipes, flexible hoses and the collector are investigated by realistic computer simulations. The collector is controlled by the ship" s tow only. Three typical...

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