インターレーサ内の圧縮性空気流の特性と糸撚り

• 徳永 賢一

  愛媛大学工学部機械工学科

• 村上 幸一

  愛媛大学工学部機械工学科

• 北村 光伸

  STS Corporation

• 野村 信福

  愛媛大学工学部機械工学科

• 内藤 俊三

  Kyoto Technical Center, TMT Machinery, Inc.

書誌事項

タイトル別名

• Characteristics of Compressible Air Flow in an Interlacer and Yarn Entanglement

抄録

The present study is concerned with numerical simulation of compressible air flow in a yarn duct of an interlacer and the relation between air flow and yarn entanglement. A nozzle of circular pipe of inner diameter d (< D) is mounted perpendicularly to the yarn duct of circular pipe of inner diameter D (d < D). The interlacer system is analyzed numerically using the high Reynolds number k-ε model. The dependence of compressible air flow on the ratio d/D is examined numerically and experimentally. When the average local Mach number at the entrance of the nozzle pipe reaches 0.5 ∼ 0.71, the flow chokes immediately after passing the nozzle pipe. The limited Mach number at the entrance of the nozzle pipe depends on the flow in the nozzle pipe, namely the friction loss. Furthermore the strength and the number of yarn entanglement vary with d/D and become maximums at d/D ≅ 0.5.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　Ｔｅｘｔｉｌｅ　Ｅｎｇｉｎｅｅｒｉｎｇ

  Ｊｏｕｒｎａｌ　ｏｆ　Ｔｅｘｔｉｌｅ　Ｅｎｇｉｎｅｅｒｉｎｇ 52 (3), 121-129, 2006

  一般社団法人 日本繊維機械学会

キーワード

• Interlacer
• Numerical calculation
• Compressibility
• Limited Mach number
• Yarn entanglement

詳細情報

• CRID: 1390001205232477312
• NII論文ID: 10017188533
• NII書誌ID: AA11482543
• DOI: 10.4188/jte.52.121
• ISSN: 18801986
• ISSN: 13468235
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可