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A theoretical prediction of friction drag reduction in turbulent flow by superhydrophobic surfaces
Abstract
We present a theoretical prediction for the drag reduction rate achieved by superhydrophobic surfaces in a turbulent channel flow. The predicted drag reduction rate is in good agreement with results obtained from direct numerical simulations at Reτ≃180 and 400. The present theory suggests that large drag reduction is possible also at Reynolds numbers of practical interest (Reτ∼105–106) by employing a hydrophobic surface, which induces a slip length on the order of ten wall units or more.
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Cited by
Superhydrophobic surfaces: from structural control to functional application
Zhang, X., Shi, F., Niu, J., Jiang, Y., & Wang, Z. (2008) · J. Mater. Chem. · doi:10.1039/b711226b · Cited by 1,768
Bioinspired Surfaces with Superwettability: New Insight on Theory, Design, and Applications
Wang, S., Liu, K., Yao, X., & Jiang, L. (2015) · Chemical Reviews · doi:10.1021/cr400083y · Cited by 1,646
Review of Fluid Slip over Superhydrophobic Surfaces and Its Dependence on the Contact Angle
Voronov, R. S., Papavassiliou, D. V., & Lee, L. L. (2008) · Industrial & Engineering Chemistry Research · doi:10.1021/ie0712941 · Cited by 294
Global field reconstruction from sparse sensors with Voronoi tessellation-assisted deep learning
Fukami, K., Maulik, R., Ramachandra, N., Fukagata, K., & Taira, K. (2021) · Nature Machine Intelligence · doi:10.1038/s42256-021-00402-2 · Cited by 253
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Metadata
- Authors
- Fukagata, K., Kasagi, N., & Koumoutsakos, P.
- Venue
- Physics of Fluids
- Publisher
- AIP Publishing
- Published
- 2006-05-01
- Volume
- 18
- Issue
- 5
- ISSN
- 1070-6631 (ISSN-L)
- 1089-7666
- OpenAlex
- W2007582957
- Cited by
- 242
- References
- 0
- FWCI
- 6.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Fukagata, K., Kasagi, N., & Koumoutsakos, P. (2006). A theoretical prediction of friction drag reduction in turbulent flow by superhydrophobic surfaces. Physics of Fluids. https://doi.org/10.1063/1.2205307
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