Numerical simulation of blast flow fields induced by a high-speed projectile |
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Authors: | Xiaohai Jiang Zhihua Chen Baochun Fan Hongzhi Li |
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Institution: | (1) State Key Laboratory of Transient Physics, Nanjing University of Science and Technology, 210094 Nanjing, China |
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Abstract: | Numerical investigations on the launch process of a projectile in a nearly realistic situation have been performed in this
article. The Arbitrary Lagrangian–Eulerian (ALE) of Euler equations is solved by the AUSMDV scheme and the dynamic chimera
grid technique are used for describing the moving of the projectile. Based on our numerical results, the muzzle blast flow
field of the transient launch process of a projectile at a relative high Mach number of 3.0 has been visualized numerically,
and the prominent characteristics including the propagation of first and second blast waves, the generation of bow shock wave
and moving of the projectile, etc. have been discussed in detail.
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Keywords: | Muzzle flow Blast wave AUSMDV scheme Projectile launch |
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