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- W43857145 abstract "A new approach to laboratory-scale experiments on high-velocity penetration of projectiles into geological materials is demonstrated. This method utilizes a commercial accelerometer mounted within a small penetrator model that impacts a sample of target material. As in previous laboratory-scale experiments at high velocities, a compressed-gas gun is used in a reverse-ballistics configuration to accelerate a geological sample into an initially stationary penetrator. The present approach provides an acceleration history during the penetration, rather than displacement or velocity data as in these previous studies. Two experiments were conducted at each of two impact velocities using a conical-nosed penetrator and a simulated soft-sandstone target. The recorded accelerometer signals show high-frequency transducer resonances superimposed on the response expected for rigid-body acceleration. Direct numerical techniques are used to extract the rigid-body acceleration history. In addition to demonstrating the effectiveness of this approach, the present results provide useful information on how peak penetrator forces vary with impact velocity during conical-nosed penetration into the simulated sandstone." @default.
- W43857145 created "2016-06-24" @default.
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- W43857145 date "1983-01-01" @default.
- W43857145 modified "2023-09-27" @default.
- W43857145 title "Laboratory technique for simulation of projectile penetration into geological targets" @default.
- W43857145 hasPublicationYear "1983" @default.
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