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Axial Vibration Analysis of Umbilical Cable with Pilot Mining Robot using Sea Test Data
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 Title & Authors
Axial Vibration Analysis of Umbilical Cable with Pilot Mining Robot using Sea Test Data
Min, Cheon-Hong; Yeu, Tae-Kyeong; Hong, Sup; Kim, Hyung-Woo; Choi, Jong-Su; Yoon, Suk-Min; Kim, Jin-Ho;
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 Abstract
Axial vibration analysis is very important for a deep-seabed mining system. In this study, an axial vibration analysis was carried out to estimate the natural frequencies and tensions of the umbilical cable using experimental data obtained from the first pre-pilot mining test. The axial vibrations of the umbilical cable with a pilot mining robot at the bottom end were analytically determined. The range of the added mass coefficients of the pilot mining robot is estimated by comparing the experimental and analytical data. The natural frequencies and maximum tensions are calculated using four estimated added mass coefficients.
 Keywords
Pre-pilot mining test;Axial vibration;Umbilical cable;Natural frequency;Pilot mining robot;Added mass coefficient;
 Language
Korean
 Cited by
 References
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