Image: Sail angles of attack and resulting flow patterns
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Description: Hypothetical examples of sail angles of attack and resulting flow patterns for attache flow, maximum lift, and stalled. VA is the apparent wind vector. Stagnation streamlines delineate air that goes to the leeward side from that on the windward side of the sail. Source: Gentry, Arvel (1981-09-12), “A Review of Modern Sail Theory”, in Proceedings of the Eleventh AIAA Symposium on the Aero/Hydronautics of Sailing[1]
Author: HopsonRoad
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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