Experimental investigation on underwater drag reduction using partial cavitation

Wang Bao¹, Wang Jiadao^{1, †}, Chen Darong¹, Sun Na^{1, 2}, Wang Tao^{1, 3}

(color online) Images of a water droplet (5 μL) on the different surfaces. (a) Smooth surface with FAS film, (b) microgrooved surface with FAS-17 film.