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Added Masses of Cylinders of Different Shapes

  • Guanghao Chen
  • , Md Mahbub Alam*
  • , Yu Zhou
  • *Corresponding author for this work
  • Harbin Institute of Technology Shenzhen
  • Digital Engineering Laboratory of Offshore Equipment

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents an experimental investigation on added masses of cylinders of different shapes including circular, square and rectangular cross sections in water and paraffin oil. The dependence of added mass on cylinder attack angle θ (= 0°–90°) is also paid attention to. The added mass is estimated from the shift of the oscillation frequencies of the cylinder in water or paraffin oil from that in the air (vacuum). It is found that added mass is dependent on both cylinder shape and orientation but is independent of the fluid medium. For circular cylinder, the added mass is equal to the mass of fluid displaced by the cylinder. Yet it declines from θ = 0° to 45° for the square cylinder and grows monotonically from θ = 0° to 90° for the rectangular cylinder. The rectangular cylinder has a smaller and greater added mass than the circular cylinder for θ ≤ 15° and θ > 15°, respectively. Also, the square cylinder undergoes large added mass compared to the circular cylinder for all θ values.

Original languageEnglish
Title of host publicationFluid-Structure-Sound Interactions and Control - Proceedings of the 5th Symposium on Fluid-Structure-Sound Interactions and Control
EditorsMarianna Braza, Yannick Hoarau, Yu Zhou, Anthony D. Lucey, Lixi Huang, Georgios E. Stavroulakis
PublisherSpringer Science and Business Media Deutschland GmbH
Pages139-143
Number of pages5
ISBN (Print)9789813349599
DOIs
StatePublished - 2021
Externally publishedYes
Event5th Symposium on Fluid-Structure-Sound Interactions and Control, FSSIC 2019 - Chania, Greece
Duration: 27 Aug 201930 Aug 2019

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference5th Symposium on Fluid-Structure-Sound Interactions and Control, FSSIC 2019
Country/TerritoryGreece
CityChania
Period27/08/1930/08/19

Keywords

  • Added mass
  • Circular cylinder
  • Rectangular cylinder
  • Square cylinder

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