Abstract
Abstract
Highlights
Introduction and backgroundReducing hydrodynamic skin-friction drag using superhydrophobic (SHPo) surfaces has attracted much attention over the last two decades
We have developed a novel towing plate installed with a low-profile shear sensor and obtained significant drag reductions on microtrench SHPo surfaces in turbulent boundary-layer flows in a high-speed towing tank
The results confirmed the important relationship between the drag reduction and Reynolds number predicted by
Summary
Reducing hydrodynamic skin-friction drag using superhydrophobic (SHPo) surfaces has attracted much attention over the last two decades. It is well understood that the ability to retain trapped gas, called plastron (Brocher 1909), that provides a large slip length is the key when assessing different SHPo surfaces for drag reduction. Studies showed that the slip length of a SHPo surface is determined by its.
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