..., but intense, dark zone and backwinding, the lighter shaded area, where the wind is slightly reduced but more importantly the wind direction is changed by the air deflected off the leeward (L) yacht s sails. This change in wind direction will either slow the windward (W) yacht or force it to tack away (turn...

... wind direction auckland university accuracy weather condition forecast compute ocean short course racing artificial intelligence prediction optimising yacht route The planning of routes for sailing vessels is subject to uncertainty from the weather. This is particularly...

..., which included the omission of measurements at several heights above the deck of wind and sail shape that would have been helpful to CFD studies of sail aerodynamics. sailing test knot coefficient wind direction test run apparent wind speed correction chase boat gimcrack davidson...

... average potential speeds in various ranges of operating conditions. NOMENCLATURE true wind direction, measured from true north Most symbols are used in only one sec- w. true course direction, measured tion. Each symbol is defined in the text 1 from true north, for the ith seg- where it is first introduced...