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Friction Drag Reduction Using Superhydrophobic Surface in High Reynolds Number Turbulent Flow

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Princeton University Princeton United States

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Bodies covered by SLIPS present a slip velocity at the surface. This significant modification to the no-slip boundary condition will affect the separation, transitional behavior, and the stability of the flow. Here, our studies included 1 large scale towing tank tests to assess the drag reducing performance and durability of SLIPS at high Reynolds number 2 flow studies over streamlined and bluff bodies where pressure gradients are important and separation can occur, in order to understand the mechanisms by which SLIPS can influence separation and 3 investigations of the influence of SLIPS on the stability thresholds that govern the transition to turbulence in laminar boundary layers, and the stability of wakes.

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Technical Report,15 Jan 2013,30 Apr 2017



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Approved For Public Release;

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