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J. Ocean Eng. Technol. 2006;20(2):46-51.
An Experimental Study on the Moonpool Characteristics of a Cleaning Ship for Ocean Environment Purification
Kim Do-Jung;Park Je-Woong;Kim Ju-Nam;Jeong Uh-Chul;
Department of Naval Architecture & Ocean Engineering, Chosun University;Department of Naval Architecture & Ocean Engineering, Chosun University;Korean Society of Ship Inspection & Technology;Dept. of Ship & Ocean System, Inha Technical College;
해양환경정화용 선박의 중앙개구부 특성에 관한 실험적 연구
김도정;박제웅;김주남;정우철;
조선대학교 선박해양공학과;조선대학교 선박해양공학과;선박검사기술협회;인하공업전문대학 선박해양시스템과;
Key Words: Cleaning ship, Circulating water channel, Model test, Moonpool, Natural period, Pitching motion, Wave breaking
핵심용어: 청소선, 회류수조, 모형시험, 중앙 개구부, 고유주기, 종운동, 쇄파
Abstract
Moonpool characteristics of a cleaning skip related with the performance of a skip are experimentally investigated. Resistance performances of the ship and flow patterns in the moonpool are observed, in order to determine the effect of different shaped moonpool. The ways to reduce ship pithing motion caused by force in the moonpool are examined. Experimental results, using a scale model of cleaning ship with moonpool, show that the step arranged in tier under water leads to significant improvements in performance, such us resistance and ship pithing motion. Depending upon the shape of step in the moonpool, the results indicate that the increment of resistance performance may be up to 35%, especially in the case of no step or high step.


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