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Water Drop Deformation and Fragmentation Due to Shock Wave Impact. by Krauss, William Edward, 1928- is a nonfiction available to read on EtoBox.

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Results are presented of experimental and theoretical studies of water drop deformation and fragmentation in the high velocity air stream following a normal shock wave moving into still air. Experiments were conducted in a shock tube with shock wave Mach numbers in the range from 1.6 to 3.0 and for drop diameters from .5 to 3.2 millimeters. From the experimental data, it is determ.ined that the water drop deforms axisymmetrically into an approximately ellipsoidal shape which is distorted as to maintain a nearly hemispherical frontal surface but with a concave rear surface. The data also indicate that the time for complete fragmentation of the water drop is approximately one-half of the time observed for complete reduction of the drop to a trace of mist. Simultaneous potential flow within the distorted ellipsoidal drop and mass loss by stripping of a viscous layer of surface liquid are included in a theoretical model for drop deformation and fragmentation. Although the actual drop deformation is shown to deviate from the assumed ellipsoidal shape, the general dimensional and displacement variations arc predicted by the model and the theoretical mass history of the drop agrees well w

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Author

Krauss, William Edward, 1928-

Publisher

1970.

Published

1970

Language

EN

Category

nonfiction