Ships – Towing or pushing – Cable fairing
Patent
1994-02-28
1995-05-02
Basinger, Sherman
Ships
Towing or pushing
Cable fairing
114265, 166367, 175 7, 4052231, F15D 110
Patent
active
054109795
ABSTRACT:
A non-rotatable fairing for suppression of vortex-induced vibration of a marine tubular is provided, the tubular having a circular cross section and a centerline that is normal to the circular cross section, the fairing comprising:
shaped sides that extend essentially tangentially from the outer surface of the tubular toward a point that is about a distance equal to the outside diameter of the tubular or less from the centerline of the tubular; and
a means to fix the fairing to the tubular so that the fairing cannot rotate around the tubular, wherein the maximum length of the cross section of the combined fairing and tubular is between about 1.25 and about 1.5 times the outside diameter of the tubular.
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M. M. Zdravkovich, "Review and Classification of Various Aerodynamic and Hydrodynamic Means for Suppressing Vortex Shedding," Journal of Wind Engineering and Industrial Aerodynamics, 7 (1981) 145-189.
M. J. Every, R. King, and D. S. Weaver, "Vortex-Excited Vibrations of Cylinders and Cables and Their Suppression," Ocean Engng., vol. 9, No. 2, pp. 135-157, 1982.
A. R. Packwood, "Performance of Segmented Swept and Unswept Cable Fairings at Low Reynolds Numbers," Ocean Engng., vol. 17, No. 4, pp. 393-407, 1990.
Allen Donald W.
Henning Dean L.
Basinger Sherman
Christensen Del S.
Shell Oil Company
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