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拘束噴流下におけるモノフィラメント糸の空気抗力
https://doi.org/10.24517/00009464
https://doi.org/10.24517/00009464ffa6728b-4a6b-4f91-a406-1afa7347d29d
名前 / ファイル | ライセンス | アクション |
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TE-PR-KINARI-T-T109.pdf (1.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 拘束噴流下におけるモノフィラメント糸の空気抗力 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Air Drag of Monofilament Yarn in Confined Jet | |||||
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 | journal article | |||||
ID登録 | ||||||
ID登録 | 10.24517/00009464 | |||||
ID登録タイプ | JaLC | |||||
著者 |
八田, 潔
× 八田, 潔× 喜成, 年泰× 新宅, 救徳 |
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著者別表示 |
Hatta, Kiyoshi
× Hatta, Kiyoshi× Kinari, Toshiyasu× Shintaku, Sukenori |
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書誌情報 |
繊維機械学会誌 = Journal of the Textile Machinery Society of Japan 巻 56, 号 11, p. T109-T114, 発行日 2003-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0371-0580 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00285892 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.4188/transjtmsj.56.11_T109 | |||||
出版者 | ||||||
出版者 | 繊維機械学会 = Textile Machinery Society of Japan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Air drag force on a nylon monofilament yarn in a confined jet was measured as a basic study for operating yarn by airflow, for example; for weft-insertion, for holding the yarn end, for adjusting yarn tension and for drawing yarn into a hollow spindle. The relative velocity of airflow around a yarn was expanded up to 300 m/s. Previously, this had been investigated up to 100 m/s. Both the supplying air pressure and combinations of nozzles and pipes changed diffusion of the flow in a pipe. Air drag force increased extremely if the primary stream acted on the yarn directly when the jet from the nozzle was directed at very high speed (around sonic velocity). Yarn was often stuck inside the pipe by the airflow when very thin pipes were used. When this occurred, air drag force was reduced to half. The air drag coefficient Cf for monofilament yarn has been arranged using the radius Reynolds number, Rea, for suction flow with lower than 100 m/s. The formula, Cf = KRea-n, has been applied for suction flow under 500 in Rea. Cf could be arranged in the same manner for annular jet or confined jet if airflow acted on a yarn in the pipe uniformly. This formula, then, is also available even for very high velocity over 100 m/s. According to these results, we were able to calculate air drag force on monofilament yam. We anticipate applying this to the other kinds of yarn, and expect air power savings and improvement in yarn operation. | |||||
権利 | ||||||
権利情報 | Copyright © 繊維機械学会 Textile Machinery Society of Japan | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/transjtmsj/-char/ja/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://tmsj.or.jp/ |