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A Hydrodynamic Analysis of Motion Coupling Effect of Floating Storage Tank Supported by Marine Fenders

[+] Author Affiliations
Mengmeng Han, Allan Ross Magee, Chien Ming Wang

National University of Singapore, Singapore, Singapore

Ling Wan

Norwegian University of Science and Technology, Trondheim, Norway

Jingzhe Jin

SINTEF Ocean, Trondheim, Norway

Paper No. OMAE2017-61726, pp. V006T05A028; 9 pages
doi:10.1115/OMAE2017-61726
From:
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 6: Ocean Space Utilization
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5772-4
  • Copyright © 2017 by ASME

abstract

This study concerns a new concept of floating oil storage facility, to be deployed in coastal waters, in which separate oil storage tanks float in an array, separated by a mooring fender system. In this paper, hydrodynamic properties of a single module are investigated numerically. The effects of different mooring fender parameters including fender stiffness and fender position on the coupled motions are studied. Design criteria and a design approach for the marine fender selection are proposed. Next, time-domain simulations under random waves are performed. Finite water depth effects are taken into consideration. Then a brief parametric study on sloshing phenomenon in fender-supported tanks is conducted. Results show that a carefully designed marine fender will help reduce the roll and pitch motions of the storage tank, and thus function as a stabilizer. This analysis is the basis of a global hydrodynamic response analysis for multiple tanks, including the effects of multibody hydrodynamic interactions between tanks in the future.

Copyright © 2017 by ASME
Topics: Storage tanks

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