Hydrodynamic coefficients of oscillating flat plates at 0.15 ⩽ KC⩽ 3.15

Xinliang Tian, Longbin Tao, Xin Li, Jianmin Yang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This article presents an experimental investigation on the hydrodynamic coefficients of oscillating flat plates. The plates are forced to oscillate harmonically in still water. The range of Keulegan–Carpenter number (KC= 2 πa/ D, where a is the single amplitude of oscillation and D is the equivalent diameter of the plate) is 0.15 ⩽ KC⩽ 3.15. The hydrodynamic forces acting on the plates are measured and the hydrodynamic coefficients including added mass and damping coefficients are calculated using the Morison’s equation. The influences of the thickness ratio, shape, edge corner radius, perforation ratio and hole size on the hydrodynamic coefficients of a single plate are analyzed and presented. For the twin- and triplet-plate configurations, the spacing effects are also evaluated.

LanguageEnglish
Pages101-113
Number of pages13
JournalJournal of Marine Science and Technology (Japan)
Volume22
Issue number1
Early online date8 Aug 2016
DOIs
Publication statusPublished - 1 Mar 2017

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Hydrodynamics
hydrodynamics
hydrodynamic force
perforation
damping
spacing
oscillation
Damping
Water
water
effect

Keywords

  • added mass
  • damping
  • flat plate
  • oscillatory flow

Cite this

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abstract = "This article presents an experimental investigation on the hydrodynamic coefficients of oscillating flat plates. The plates are forced to oscillate harmonically in still water. The range of Keulegan–Carpenter number (KC= 2 πa/ D, where a is the single amplitude of oscillation and D is the equivalent diameter of the plate) is 0.15 ⩽ KC⩽ 3.15. The hydrodynamic forces acting on the plates are measured and the hydrodynamic coefficients including added mass and damping coefficients are calculated using the Morison’s equation. The influences of the thickness ratio, shape, edge corner radius, perforation ratio and hole size on the hydrodynamic coefficients of a single plate are analyzed and presented. For the twin- and triplet-plate configurations, the spacing effects are also evaluated.",
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Hydrodynamic coefficients of oscillating flat plates at 0.15 ⩽ KC⩽ 3.15. / Tian, Xinliang; Tao, Longbin; Li, Xin; Yang, Jianmin.

In: Journal of Marine Science and Technology (Japan), Vol. 22, No. 1, 01.03.2017, p. 101-113.

Research output: Contribution to journalArticle

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