ABSTRACT

The purpose of this research was to improve the propulsive performance of a cascade of hard wing sails in a new conceptual wind-driven vessel. First, wind-tunnel measurements were conducted to clarify and improve the aerodynamic characteristics of a cascade of hard wing sails. Second, numerical simulations were used to investigate the aerodynamic performance of a cascade of wing sails on the scale of an actual vessel. Finally, an energy prediction program was applied to evaluate the energy saving ratio of the new vessel. The results showed that an effective arrangement and cross-sectional shape of the wing sails improved the propulsive performance of the vessel.

Keywords:
arrangement, interference coefficient, uniform angle, independent angle, maximum thrust coefficient, thrust coefficient, aerodynamic characteristic, aerodynamic performance, experiment, aerodynamic interaction
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2013. International Society of Offshore and Polar Engineers
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