コラプシブルチュ-ブ内の流れに及ぼす管軸張力の影響 (バイオエンジニアリング<特集>) The Effect of Longitudinal Tension on Flow in Collapsible Tube

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Simulation experiments in vitro related to flow through a vein and an airway of the lung were performed. The effect of longitudinal tension applied to thin-walled silicone rubber tubes on the relationship between the cross-sectional area of the tube and the transmural pressure, and on static and dynamic characteristic relationships between pressure drop and flowrate through the tube was investigated using five different kinds of specially designed tubes of same size with different applied longitudinal tensions. As a result, the following facts were clarified : By applying longitudinal tension to the tube, it became harder for the tube to be collapsed. Tube movement along the tube axis during the oscillation was restricted and the most largely collapsed portion shifted upstream. The amplitude of the oscillatory pressure drop was much larger than its time-averaged value. The time required for the tube to collapse gradually from a fully open state amounted to 80 to 85% of the period of the oscillation.

収録刊行物

  • 日本機械学会論文集 B編

    日本機械学会論文集 B編 60(579), p3642-3647, 1994-11

    一般社団法人日本機械学会

各種コード

  • NII論文ID(NAID)
    110002394037
  • NII書誌ID(NCID)
    AN00187441
  • 本文言語コード
    JPN
  • ISSN
    03875016
  • NDL 記事登録ID
    3907987
  • NDL 雑誌分類
    ZN11(科学技術--機械工学・工業)
  • NDL 請求記号
    Z16-109
  • データ提供元
    NDL  NII-ELS 
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