Abstract
A computational scheme has been adapted and modified for the solution of the three dimensional Navier-Stokes and energy equations in a rectangular channel with punched or mounted wing-type longitudinal vortex generators. Exemplary results of the flow structure in the channel with a pair of punched delta winglets are reported here. Results show that even at large angle of attack (65) stable vortices are generated. The spiraling motion induced by these vortices can enhance the Nusselt number by 52% on an area which is 15 times larger than the vortex generator area. Various parameter studies have been performed and reported elsewhere [4, 5, 7–12]. Some of these results have been summarized here.
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