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北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University >
第57巻 第1/2号 >

ホタテ貝養殖漁船における漁労作業用係留装置の改良 : 緩衝材の利用とその効果

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Title: ホタテ貝養殖漁船における漁労作業用係留装置の改良 : 緩衝材の利用とその効果
Other Titles: Improving a Mooring Device of Fishing Boat for Scallop Cultivation : Utilization of a buffer material and its effect
Authors: 津村, 良祐1 Browse this author
木村, 暢夫2 Browse this author →KAKEN DB
藤森, 康澄3 Browse this author →KAKEN DB
岩森, 利弘4 Browse this author
Authors(alt): Tsumura, Ryosuke1
Kimura, Nobuo2
Fujimori, Yasuzumi3
Iwamori, Toshihiro4
Keywords: mooring device
buffer material
small fishing boat
scallop cultivation
Issue Date: Nov-2006
Publisher: 北海道大学大学院水産科学研究院
Journal Title: 北海道大学水産科学研究彙報
Volume: 57
Issue: 1-2
Start Page: 19
End Page: 24
Abstract: Ship motions on the small fishing boats for scallop cultivation in Funka-Bay, Hokkaido, are usually influenced by the dynamic force of large scale cultivation facilities. On the rough sea condition, it would generate fatal ship motions like large amplitude rolling motion. To reduce such ship motions under fishing conditions, we designed a new type of mooring device with buffer materials used as absorber for ship motions. We carried out the tank experiment used the model in the wave conditions corresponded to the actual fishing operation to confirm the effect of reducing ship motion. For the waves in the long-period frequently generated under rough sea, the damping effect of the absorber was effective to reduce rolling motion, and accounting for nothing less than 10.0% compared with the normal mooring device without the absorber. As a result, the mooring device with absorber is effective for the improvement of seakeeping qualities of the fishing boats for scallop cultivation.
Type: bulletin (article)
Appears in Collections:北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University > 第57巻 第1/2号

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