Abstract
A low Reynolds number second-moment closure has been used to calculate a turbulent boundary layer which develops over a riblet surface with zero pressure gradient. The calculated mean velocity distributions compare favourably with measurements. Calculated Reynolds stresses away from the riblet surface region are also in agreement with measurements. In the vicinity of the riblets, the model reflects the increased anisotropy of the Reynolds stress tensor inadequately. Possible reasons for this shortcoming are discussed and suggestions for improving the model are made.
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Djenidi, L., Antonia, R.A. Riblet modelling using a second-moment closure. Appl. Sci. Res. 54, 249–266 (1995). https://doi.org/10.1007/BF00863512
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DOI: https://doi.org/10.1007/BF00863512