Breaking wave bubble measurements around ship model by optical probe

The bubble sweep-down phenomenon around oceanographic research vessels generates acoustic disturbances. can be reproduced on a 1/30 scale ship model in wave and current circulating flume tank taking into account motions. Optical probe then used to measure locally the size velocity of bubbles generated by breaking waves. A comparison obtained results with more classical from detection image tracking is discussed. two methods provide complementary for characteristics. However, optical has advantage knowing position three dimensions space. overall this paper new elements study understanding addition previous 2D 3D studies, where dynamics clouds have been characterized. • Bubble studied model. Breaking measurements were conducted. velocities diameters determined. Our findings important implications marine vessels.