A reflex and a normal model of a typical bulbous-bow tanker were fitted with different types of stimulators and tested in a wind tunnel and a towing tank respectively. The effects of the stimulators were accounted for by considering the virtual origin of the turbulent boundary layer. A shallower viscous-resistance curve than expected was found, which was partly attributed to the effects of the trailing vortices formed over the surface of the model.· Both the friction and pressure distributions were measured for the reflex model. Equations proposed for the viscous, frictional, and pressure resistance coefficients over the model Reynolds number range did not correlate satisfactorily when extrapolated to full-scale Reynolds numbers.
Experimental Determination of the Components of Resistance of a Small 0.80 CB Tanker Model
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Matheson, N., and P. N. Joubert. "Experimental Determination of the Components of Resistance of a Small 0.80 CB Tanker Model." J Ship Res 17 (1973): 162–180. doi: https://doi.org/10.5957/jsr.1922.214.171.124
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