203 鉛直方向加振を受けるダイアフラムを有する球形タンク内液体の動的安定性に関する実験(領域4 流体関連振動・ローターダイナミクス)

• 村瀬 涼

  大阪府立大学大学院工学研究科航空宇宙海洋系専攻航空宇宙工学分野

• 千葉 正克

  大阪府立大学

• 南部 陽介

  大阪府立大学

• 小松 敬治

  JAXA

書誌事項

タイトル別名

• 203 Experimental Studies on Dynamic Stability of Liquid in a Spherical Tank with Diaphragm under Vertical Excitation

抄録

Experimental studies were conducted on the liquid sloshing characteristics in a rigid spherical tank with a flexible hemispherical diaphragm. A spherical acrylic tank with 285 mm in diameter was used as a test tank, and test diaphragms made of silicon with 0.2 mm thickness in plane or hemispherical shapes were used. In the case with a hemispherical diagram, the filling ratio of liquid η (=(liquid volume Vl/tank volume Vt)×100) was changed. The test tank was harmonically excited in the vertical direction by an electro-dynamic exciter. In this case, as a parametric unstable vibration comes up when the excitation frequency is twice the natural frequency, parametric instability regions of natural mode were measured for three cases, i.e. free liquid surface, covered with plane diagram and hemispherical diagram.

収録刊行物

• 機械力学・計測制御講演論文集

  機械力学・計測制御講演論文集 2014 "203-1"-"203-10", 2014-08-25

  一般社団法人日本機械学会

キーワード

• Spherical tank
• Liquid sloshing
• Flexible diaphragm
• Parametric instability
• Diaphragms

詳細情報

• CRID: 1574231877616938368
• NII論文ID: 110009979241
• NII書誌ID: AA11901770
• ISSN: 13480235
• 本文言語コード: ja
• データソース種別:
  • CiNii Articles