| 摘要 |
A plurality of pressure transducers are spaced apart longitudinally along a mass of fluid so that they can sense disturbances in the fluid. A projectile launcher, which is typically a gun, is positioned such that the projectile launcher can be discharged to launch a projectile into the fluid. The pressure transducer(s) will sense the disturbance created in the fluid as the projectile passes through. A computer connected to the pressure transducers will process the output of the pressure transducers creating a response curve which is related to the energy dissipation of the projectile.
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