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Labrujère, T.E. (author), de Vries, O. (author)The present report considers the validity of the representation of the wake by discrete trailing vortices as is common practice in potential theoretical calcualtions. Theoretical results, obtained with a method developed at NLR, are compared with experimental results obtained at NLR for a 30° swept back wing. The shape of the vortex sheet as...report 1974
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Labrujère, T.E. (author), de Vries, O. (author)The defomation of a vortex sheet behind a 30 degrees swept back wing, has been measured in a low-speed wind tunnel. The measurements included: - A total-head survey behind the wing, - Sidewash measurements across the wake, - Measurements of trailing vorticity by a vortex indicator. It has been found, that 60 percent of the trailing vorticity is...report 1974