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Exfoliation of Marine Organisms Technology by Using Underwater Shock Wave

[+] Author Affiliations
Toshiaki Watanabe

National Fisheries University, Shimonoseki City, Japan

Hirofumi Iyama

Yatsushiro National College of Technology, Yatsushiro City, Japan

Ayumi Takemoto, Shigeru Itoh

Kumamoto University, Kumamoto City, Kumamoto, Japan

Paper No. PVP2005-71437, pp. 171-175; 5 pages
doi:10.1115/PVP2005-71437
From:
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 4: Fluid Structure Interaction
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4189-8 | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME

abstract

Adhesion problem of marine organisms often becomes a problem, in the case of ship, marine floating construction and sluice gate of power plant. These make fluid resistance of a hull increase, cause a buoyancy fall, or cause reducing coolant etc. Although these are chiefly removed by manual operation now, immense expense and immense labors, such as personnel expenses and time and effort, are needed. We tried application of an underwater shock wave, in order to solve these problems. Interference of a shock wave and the mechanism of marine organisms exfoliation were explored using the explosive and PMMA plate, which imitated a marine organisms adhesion. The process of exfoliation of organisms from PMMA plate was observed by using of the high-speed camera.

Copyright © 2005 by ASME
Topics: Shock waves

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