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Superhydrophobic Surfaces


Unconventional surfaces to modify and understand turbulent transport

There are many open questions surrounding the role of the wall boundary conditions in governing transport from the wall to the free stream. Specifically, this research seeks to establish how turbulent scalar and momentum transport are affected when the "no-slip" boundary condition is replaced with more generalized boundary conditions, including a "slip" surface. These results hopefully further our understanding of wall-turbulence interaction to better develop passive flow control surfaces to control drag or mixing. The current work utilizes Liquid-Infused Surface [LIS], Superhydrophobic Surfaces [SHS] and Slippery Liquid-Infused Porous Surfaces [SLIPS], which have been shown to reduce drag through this slip effect, and seeks to model how their surface morphology and lubricant properties affect the magnitude of their effective slip.

Turbulent Flow Control and Drag Reduction: Skills


I. Marusic, D. Chandran, A. Rouhi, M. K. Fu, D. Wine, B. Holloway, D. Chung, and A. J.  Smits, Nat Commun 12, 5805 (2021).

B. J. Rosenberg, T. Van Buren, M. K. Fu, and A. J. Smits, Phys. Fluids, vol. 28, no. 1, p. 015103, 2016.

M. K. Fu, I. Arenas, S. Leonardi, and M. Hultmark, J. Fluid Mech., vol. 824, pp. 688–700, 2017.

H. Ling, J. Katz, M. K. Fu, and M. Hultmark, Phys. Rev. Fluids, vol. 2, no. 12, p. 124005, 2017.

M. K. Fu, T.-H. Chen, C. B. Arnold, and M. Hultmark, Exp. Fluids, vol. 60: 100, 2019.

I. Arenas, E. García, M. K. Fu, P. Orlandi, M. Hultmark, and S. Leonardi,  J. Fluid Mech., vol. 869, pp. 500–525, 2019.

Turbulent Flow Control and Drag Reduction: List
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