WIND EFFECTS ON SLOSHING OF A FLOATING ROOF IN AN OPEN-TOPPED CYLINDRICAL LIQUID STORAGE TANK

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  • MATSUI Tetsuya
    Prof., Dept. of Architecture, Faculty of Science and Technology, Meijo Univ., Dr. Eng.
  • UEMATSU Yasushi
    Prof., New Industry Creation Hatchery Center, Tohoku Univ., Dr. Eng.
  • KONDO Koji
    Senior Supervisory Research Engineer, Kajima Technical Research Institute, Dr. Eng.
  • WAKASA Takuo
    Ohmoto Gumi Co., Ltd., M. Eng.
  • NAGAYA Takashi
    Graduate Student, Graduate School of Science and Technology, Meijo Univ., M. Eng.

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Other Title
  • 頂部開口型円筒液体貯槽における浮屋根の強風時スロッシング応答
  • チョウブ カイコウガタ エントウ エキタイ チョソウ ニ オケル ウキヤネ ノ キョウフウジ スロッシング オウトウ

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Abstract

Sloshing of a floating roof in an open-topped cylindrical liquid storage tank under wind loads is investigated analytically. Wind tunnel test in a turbulent boundary layer is carried out to measure the wind pressure distributing over the roof surface. The measured data for the wind pressure is utilized to predict the wind-induced dynamic response of the floating roof, which is idealized herein as an isotropic elastic plate of uniform stiffness and mass. The dynamic interaction between the liquid and the floating roof is taken into account exactly within the framework of linear potential theory. Numerical results are presented which illustrate the significant effect of wind loads on the sloshing response of the floating roof.

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