A vortex lattice method has been applied to the problem of predicting the interference induced by ventilated wind tunnel walls. The formulations of both perforated and slotted wall boundaries using the vortex lattice method are presented. Wall interference effects on a single lifting line vortex for several basic wind tunnel test section configurations are compared with other theoretical results. Use of the vortex lattice method to calculate the aerodynamic characteristics of a lifting model too complex for exact analytical treatment is discussed. The surface pressure distribution on a combined wing and tail representation computed for a free stream is presented as well as those for both closed and slotted test sections to illustrate the capability of the technique. (Jensen)
A vortex lattice technique for computing ventilated wind tunnel wall interference
Eine Wirbelschichtgittertechnik zur Berechnung der Wechselwirkung der Stroemungen bei beluefteten Kanalwaenden
US Government Research Reports ; Jun ; 1-30
1979
30 Seiten
Report
English
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