An Investigation on the Behavior of Laser Induced Bubble in Cryogenic Liquid Nitrogen

[+] Author and Article Information
Hitoshi Sato, Xiao Wu Sun, Mamoru Odagawa, Kazuo Maeno, Hiroki Honma

Chiba University, 1-33 Yayoi, Inage-ku, Chiba, #263 Japan

J. Fluids Eng 118(4), 850-856 (Dec 01, 1996) (7 pages) doi:10.1115/1.2835519 History: Received June 29, 1995; Revised April 23, 1996; Online January 22, 2008


There have been few experimental reports on cryogenic two-phase fluids and cavitation phenomena using the irradiation of pulsed high-power laser. This paper describes an investigation of the behavior of laser induced cavitation bubble in cryogenic liquid nitrogen. The bubble is produced by a pulsed ruby laser focused in the special cryostat. The production, growth, and rebound phenomena of the bubbles are visualized by diffusive shadowgraph technique with an image-converter camera. To compare with the experimental results, a numerical study has also been performed on the dynamics of a single spherical bubble in liquid nitrogen under the conditions of nonequilibrium phase change.

Copyright © 1996 by The American Society of Mechanical Engineers
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