3 October 2005
Table 4-3. Recommended Ship Longitudinal Wind Force Drag Coefficients
Hull Dominated (aircraft carriers,
submarines, passenger liners)
*An adjustment of up to +0.10 to CxwB and CxwS should
be made to account for significant cargo or cluttered decks.
The longitudinal shape function also varies over bow and stern wind
loading regions. As the wind direction varies from headwind to tailwind, there is an
angle at which the force changes sign. This is defined as θx and is dependent on the
location of the superstructure relative to midships. Recommended values of this angle
are given in Table 4-4.
Table 4-4. Recommended Values of θx
Just forward of midships
Aft of midships (tankers)
Shape functions are given for general vessel categories below: