Hydrodynamic Coefficient Estimation for TLP and Spar Structures

[+] Author and Article Information
Matthew Lake, Haiping He, Armin W. Troesch, Marc Perlin

Naval Architecture and Marine Engineering, The University of Michigan, 2600 Draper Road, Ann Arbor, MI 48109-2145

Krish P. Thiagarajan

Centre for Oil & Gas Engineering, The University of Western Australia, Nedlands, WA 6907, Australia

J. Offshore Mech. Arct. Eng 122(2), 118-124 (Dec 17, 1999) (7 pages) doi:10.1115/1.533733 History: Received June 16, 1999; Revised December 17, 1999
Copyright © 2000 by ASME
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Grahic Jump Location
Schematic of the two TLP-spar configurations. (a) Cylinder with disk attached; (b) cylinder and disk separated.
Grahic Jump Location
Schematic of experimental setup for force measurement and flow visualization
Grahic Jump Location
Flow visualization of disk and cylinder-disk configurations at eight phases during a single cycle. β=128,470, KC=0.33.
Grahic Jump Location
Added mass coefficient A for cylinder 5, disk and cylinder-disk configurations as a function of KC number
Grahic Jump Location
Damping coefficient B for disk and cylinder-disk configurations as a function of KC number
Grahic Jump Location
Morison drag coefficient Cd for disk and cylinder-disk configurations as a function of KC number



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