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底曳網の網口高さについての考察
http://hdl.handle.net/10232/13148
http://hdl.handle.net/10232/13148d5a9dc94-2038-4c27-967a-db01dac6a3c5
名前 / ファイル | ライセンス | アクション |
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AN00040498_v28_p73-89.pdf (1.1 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-05-02 | |||||
タイトル | ||||||
タイトル | 底曳網の網口高さについての考察 | |||||
タイトルよみ | ||||||
タイトルよみ | ソコビキアミ ノ アミクチ タカサ ニツイテノ コウサツ | |||||
別言語のタイトル | ||||||
その他のタイトル | Some Considerations on the Height of Net Mouth of Trawl Net | |||||
著者 |
不破, 茂
× 不破, 茂 |
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著者よみ | ||||||
姓名 | フワ, シゲル | |||||
別言語の著者 | ||||||
姓名 | FUWA, Shigeru | |||||
言語 | ||||||
言語 | jpn | |||||
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 | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Concerning the height of net body of trawl net, author tried a few experiments to investigate the method of deciding it from net plan directly. The cross section of net body is considered to be ellipes and the shape of the side line of net is considered to be caternary. The height of net body is caluculated geometrically. When rearrenging the experimental results, the caluculated values approximately agrees with experimental values at narrow wing tipe distance, values of exponent are -0.3 for two-seam-net, -0.1~-0.3 for four-seam-net and -0.2~-0.3 for six-seam-net but the caluculated values astertained to be lower at wide wing tips distance. |
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要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 底曳網の網高さを設計図より直接推算する方法について検討し,網口断面形状を楕円で,身網側線の平面形状をカテナリーで近似して網高さの計算を行った。その結果実験したいずれの網においても袖先間隔が狭い場合において略一致し,その場合の乗数は 2枚網 -0.3, 4枚網 -0.1~-0.3, 6枚網 -0.2~-0.3 であった。袖先間隔が広い場合には計算値が低くなったがこれは底面との接地部が長くなり網口断面形状を楕円として近似できなかったためと考えられる。 | |||||
収録雑誌名 |
鹿児島大学水産学部紀要=Memoirs of Faculty of Fisheries Kagoshima University 巻 28, p. 73-89 |
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作成日 | ||||||
日付 | 1979-12-25 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
ISSN | 0453087X | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN00040498 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 665 | |||||
公開者・出版者 | ||||||
出版者 | 鹿児島大学 | |||||
公開者よみ | ||||||
公開者よみ | カゴシマ ダイガク | |||||
公開者別名 | ||||||
公開者別名 | Kagoshima University |