漁業練習船-第3代「南星丸」の船型開発

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The third generation「Nansei-Maru」is a fishery training vessel of the Faculty of Fisheries, Kagoshima University. This ship was built in November, 2002 to carry out the training for navigation and operation of fishing vessel, training of fishery, observation of ocean environment and investigation of marine creatures. The present paper describes about development of the hull form based on the tank tests. The resistance measurement tests, self-propulsion tests and wake measurements at propeller plane were conducted by use of a ship model of 3.5m long in a towing tank. These tests show the designed hull form is entirely satisfactory for her propulsive performance. Next, rolling measurements were made for three kinds of bilge keels both in calm sea and in waves in order to grasp their rolling characteristics. A ship model of 2.0m long was used in the measurements. From the results, the biggest one shows to be the most effective for anti-rolling and then it was selected as the bilge keels of「Nansei-Maru」. Flow visualization tests around ship bow and stern were also carried out by using the 2.0m ship model in a circulating water channel. It is found that there is no problem for entrainment of air bubbles into the sonar dome and severe turbulence at stern. Finally, sea trial tests by the full scale ship were conducted and it is confirmed that ship speed, turning performance and so on are satisfied for their requirements.
鹿児島大学の論文
2004-02-27

漁業練習船-第3代「南星丸」の船型開発

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