An Aerodynamic Model for Vane-Type Vortex Generators

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A new, physics-based model is presented for flows around vortex generators. The model uses a modified lifting-line method with added physics to account for boundary layer flow. The lifting-line method is extended to also include a vortex lift component and these two components are used to calculate the strength of a vortex shed from an isolated vortex generator. The circulation model is developed further to be used within a CFD framework in a source term approach. Validation is presented, first for the circulation model against a suite of experimental tests for isolated vortex generators where the vortex strength is measured. Excellent agreement is shown that is of the order of the experimental error; 5%. Second, the source term model is validated on a at plate mounted vortex generator problem, and compared to fully-gridded simulations and the commonly used Bender-Anderson-Yagel model. Again, the new method shows excellent agreement, matching well the circulation decay and velocities downstream of the VG.
Original languageEnglish
Title of host publication8th AIAA Flow Control Conference (AVIATION2016)
PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages18
ISBN (Electronic)9781624104329
Publication statusPublished - 13 Jun 2016
Event8th AIAA Flow Control Conference, 2016 - Washington, United States
Duration: 13 Jun 201617 Jun 2016


Conference8th AIAA Flow Control Conference, 2016
CountryUnited States

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