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Published in:
2020 | OriginalPaper | Chapter
Experimental Investigation of the Influence of Permeability on Finite Wing Lift and Drag
Authors : Felix Wienke, Andreas Dillmann, Markus Raffel
Published in: New Results in Numerical and Experimental Fluid Mechanics XII
Publisher: Springer International Publishing
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Abstract
An analytical approach for the correction of the influence of permeability on aerodynamic lift and drag polars of finite wings is presented. The approach is validated through wind tunnel measurements of a simple wing-body configuration. Polars for both permeable and impermeable wings were measured at varying inflow velocities. Using only measured values for permeability and porosity, the permeable polars can be mapped to the impermeable case and vice versa with good agreement.