Laser Holographic Observation of Cavitation Cloud on a Foil Section

Article type: Research Article

Authors: Katu, H. | Yamaguchi, H. | Maeda, M. | Kawanami, Y. | Nakasumi, S.

Affiliations: Department of Environmental and Ocean Engineering, University of Tokyo, Tokyo, Japan

Abstract: Observation of a cavitation cloud was performed using an off-axis laser holography system. The cavitation cloud contains an inverse U-shaped vortex cavitation surrounded by many small cavitation bubbles. The density of bubbles with radius larger than 35 µm is on the order of 10³ bubbles/cm³. The bubble number distribution was determined from the observation and by counting individual bubbles in reconstructed holographic images of the cavitation cloud.

Keywords: cavitation, holography, bubble, cloud, foil

Journal: Journal of Visualization, vol. 2, no. 1, pp. 37-50, 1999