Abstract
This paper describes the deformation and collapse of a liquid column by shock wave loading and shock wave focusing. Experiments were conducted using a pressure-type 60mm×150mm cross-sectional shock tube equipped with a holographic interferometer. Shock wave focusing was performed by a reflected shock wave from a circular concave wall. A water column was placed at the focal point of the circular concave wall where the highest pressure was generated. Shattering processes of the water column were observed by means of holographic interferometry. Due to the high pressure of shock wave focusing, the shattering process in the earlier stage was promoted. The deformation of a water column was also accelerated. It is revealed that the surface wave over the water column contributes to the disintegration of the water column.
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