Abstract
The present paper gives an overview of the riblet research with the main emphasis on the european research in this field, which was motivated by the observation of the structure of the scales of fast swimming sharks. The drag reducing effect of this structure, which consists of fine streamwise aligned ribs, was shown experimentally and theoretically. Furthermore, an explanation how riblets do reduce the turbulent skin friction is given. The results of a parameter optimization of the riblet geometry is shown. Several aspects of the riblet film application on an long range aircraft are considered. The main focus lays here on the effects of an angle of yaw on the riblet performance.
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References
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Hage, W., Bechert, D.W., Bruse, M. (2000). Artificial shark skin on its way to technical application. In: Gyr, A., Koumoutsakos, P.D., Burr, U. (eds) Science and Art Symposium 2000. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4177-2_20
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DOI: https://doi.org/10.1007/978-94-011-4177-2_20
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