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Experimental Studies on Hydraulic Lifting of Solid-liquid Two-phase Flow
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  • Journal title : Ocean and Polar Research
  • Volume 26, Issue 4,  2004, pp.647-653
  • Publisher : Korea Institute of Ocean Science & Technology
  • DOI : 10.4217/OPR.2004.26.4.647
 Title & Authors
Experimental Studies on Hydraulic Lifting of Solid-liquid Two-phase Flow
Park, Yong-Chan; Yoon, Chi-Ho; Lee, Dong-Kil; Kwon, Seok-Ki;
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 Abstract
Experimental studies with 4.3m and enlarged 30m in height have been conducted to investigate the flow characteristics of solid-liquid mixture in a lifting pipe and to acquire the design data for sea tests that will be performed in the future. From the results, it was observed that the more the discharged volume fraction and the solid diameter increase, the more the hydraulic gradient increases. Also, the more the diameter of the lifting pipe increases, the smaller the friction loss, and consequently, the less pressure drop and hydraulic gradient. From the enlarged hydraulic pumping experiments, it was shown that the results of the experiments were matched with those of the numerical model previously developed. On the bases of these studies, we plan to conduct further experiments and validate the hydraulic pumping model.
 Keywords
hydraulic pumping system;manganese nodules;two-phase flow;experiment;
 Language
English
 Cited by
1.
국내 심해저 광물자원 개발 현황,윤치호;박용찬;이동길;권석기;성원모;

한국자원공학회지, 2005. vol.42. 5, pp.523-529
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