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Sail aerodynamics: on-water pressure measurements on a downwind sail

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Original languageEnglish
Title of host publicationThe Society of Naval Architects and Marine Engineers
Subtitle of host publicationTransactions
Number of pages296
ISBN (Electronic)9780939773909
Publication statusPublished - 2013


Pressures on three horizontal sections of a downwind sail were measured for several wind directions and sail trims. The pressure distributions were compared with wind tunnel tests; similarities and differences were found, the latter as a result of the dynamic effects, which were not modeled in the wind tunnel. A pressure distribution a: the head of the spinnaker resembling that from a delta wing was measured at an apparent wind angle of 120 degrees.

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