Discrete particle simulation of jet-induced cratering of a ...
2013-5-1 · Three jet velocities were studied 35.36 m/s, 67.18 m/s, and 93.375 m/s. The jet was steady and the highest velocity was chosen to be less than 0.3 times the speed of sound for air in order to prevent the jet from becoming compressible. The lowest jet velocity was just slightly above the smallest velocity that would produce a crater.
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