The interference between two yachts sailing in several conditions is investigated in the wind tunnel by using two similar yacht models, one of which is mounted on a force balance and the other moved around the test section. The yachts were configured to sail close-hauled upwind at 20° apparent wind angle, downwind under asymmetric spinnaker at 60° and downwind under symmetric spinnaker at 120° apparent wind angle. The regions of positive and negative interference are determined through aerodynamic force measurement and flow disturbance measurement, and the sources of these effects investigated.
A Wind Tunnel Study Of The Interaction Between Two Sailing Yachts
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Richards, P. J., Le Pelley, D. J., Jowett, D., Little, J., and O. Detlefsen. "A Wind Tunnel Study Of The Interaction Between Two Sailing Yachts." Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, Annapolis, Maryland, USA, March 2013. doi: https://doi.org/10.5957/CSYS-2013-012
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