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漁具重量を考慮した場合の曳網索へのカテナリー理論適用
https://fra.repo.nii.ac.jp/records/2011952
https://fra.repo.nii.ac.jp/records/2011952500df9ab-ff37-480f-9c33-1680243c8ce8
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
fishu_k_59_155.pdf (4.4 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||||
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| 公開日 | 2024-10-11 | |||||||||||
| タイトル | ||||||||||||
| タイトル | 漁具重量を考慮した場合の曳網索へのカテナリー理論適用 | |||||||||||
| 言語 | ja | |||||||||||
| タイトル | ||||||||||||
| タイトル | Verification of the catenary-application to the warp of a trawl considering the weight of the gear | |||||||||||
| 言語 | en | |||||||||||
| 言語 | ||||||||||||
| 言語 | jpn | |||||||||||
| キーワード | ||||||||||||
| 言語 | en | |||||||||||
| 主題Scheme | Other | |||||||||||
| 主題 | catenary; catenary-application; warp; trawl; circulating water tank | |||||||||||
| 資源タイプ | ||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
| 資源タイプ | departmental bulletin paper | |||||||||||
| アクセス権 | ||||||||||||
| アクセス権 | open access | |||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
| 著者 |
井上, 悟
× 井上, 悟× 多田, 陽× 永松, 公明
WEKO
1216
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| 抄録 | ||||||||||||
| 内容記述タイプ | Abstract | |||||||||||
| 内容記述 | Many methods have been used to determine the shape approximation of the warp of a trawl. The catenary approximation is one of them. Therefore, in the previous paper, we verified the catenary-application to the warp of a towed net under various conditions using a circulating water tank. However it was carried out under a simple condition, that is, not considering the weight of the gear. Therefore in this paper, we verified the catenary-application incorporating the weight of the gear to the warp of a trawl net. We used a cord weighted with lead weights and a cone net as the actual warp and a towed net as before. We newly attached lead weights to simulate the weight of the gear to the cone net. In the tank, we took photographs of the cord in the flow, changing the lead weights, the length and the weight of the cord and the velocity of the flow. From the photographs we measured the depth of the net. We also calculated the depth by the rectified catenary and compared it against the measured depth. Furthermore in a shipboard trial, we calculated the depth by the rectified catenary and compared it against the measured depth of an actual trawl. In both tank and on-board assessments, the variance between the measured depth and the calculated depth was small. Therefore it is considered that the current verification of the rectified catenary-application to the warp of a trawl is appropriate. | |||||||||||
| 言語 | en | |||||||||||
| 書誌情報 |
ja : 水産大学校研究報告 en : Journal of National Fisheries University 巻 59, 号 2, p. 155-162, ページ数 8, 発行日 2011-01 |
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| 出版者 | ||||||||||||
| 出版者 | 水産大学校 | |||||||||||
| 言語 | ja | |||||||||||
| 出版者 | ||||||||||||
| 出版者 | National Fisheries University | |||||||||||
| 言語 | en | |||||||||||
| ISSN | ||||||||||||
| 収録物識別子タイプ | PISSN | |||||||||||
| 収録物識別子 | 0370-9361 | |||||||||||
| 書誌レコードID | ||||||||||||
| 収録物識別子タイプ | NCID | |||||||||||
| 収録物識別子 | AN00124678 | |||||||||||
| 情報源 | ||||||||||||
| 識別子タイプ | Local | |||||||||||
| 関連識別子 | fishu_k_59_155 | |||||||||||
| 関連サイト | ||||||||||||
| 識別子タイプ | URI | |||||||||||
| 関連識別子 | https://agriknowledge.affrc.go.jp/RN/2010812066 | |||||||||||
| 言語 | en | |||||||||||
| 関連名称 | agriknowledge | |||||||||||
