Articles | Volume 5, issue 3
Wind Energ. Sci., 5, 1075–1095, 2020
https://doi.org/10.5194/wes-5-1075-2020
Wind Energ. Sci., 5, 1075–1095, 2020
https://doi.org/10.5194/wes-5-1075-2020

Research article 24 Aug 2020

Research article | 24 Aug 2020

Parametric slat design study for thick-base airfoils at high Reynolds numbers

Julia Steiner et al.

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Cited articles

Bach, A., Lennie, M., Pechlivanoglou, G., Nayeri, C., and Paschereit, C.: Finite micro-tab system for load control on a wind turbine, J. Phys. Conf. Ser., 524, 012082, https://doi.org/10.1088/1742-6596/524/1/012082, 2014. a
Bach, A. B.: Gurney Flaps and Micro-Tabs for Load Control on Wind Turbines, PhD thesis, Technische Universität Berlin, Fakultät für Verkehrs- und Machinensysteme, Berlin, 2016. a
Bak, C., Gaudern, N., Zahle, F., and Vronsky, T.: Airfoil design: Finding the balance between design lift and structural stiffness, J. Phys. Conf. Ser., 524, 012017, 2014. a
Baldacchino, D., Manolesos, M., Ferreira, C., Salcedo, G., Aparicio, M., Chaviaropoulos, T., Diakakis, K., Florentie, L., García, N. R., Papadakis, G., Sørensen, N. N., Timmer, N., Troldborg, N., Voutsinas, S., and van Zuijlen, A.: Experimental benchmark and code validation for airfoils equipped with passive vortex generators, J. Phys. Conf. Ser., 753, 022002, http://stacks.iop.org/1742-6596/753/i=2/a=022002 (last access: 17 August 2020), 2016. a
Carr, L. and Mc Alister, K.: The effect of a leading-edge slat on the dynamic stall of an oscillating airfoil, Aircraft Design and Technology Meeting, American Institute of Aeronautics and Astronautics, Moffett Field, California, https://doi.org/10.2514/6.1983-2533, 1983. a, b
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Short summary
The manuscript deals with the aerodynamic design of slat elements for thick-base airfoils at high Reynolds numbers using integral boundary layer and computational fluid dynamics models. The results highlight aerodynamic benefits such as high stall angle, low roughness sensitivity, and higher aerodynamic efficiency than standard single-element configurations. However, this is accompanied by a steep drop in lift post-stall and potentially issues related to the structural design of the blade.