Continuous measurements of in-bore projectile velocity |
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Authors: | Asay JR Konrad CH Hall CA Shahinpoor M Hickman R |
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Affiliation: | Sandia Nat. Lab., Albuquerque, NM; |
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Abstract: | The application of velocity interferometry to the continuous measurement of in-bore projectile velocity in a small-bore three-stage railgun is described. These measurements are useful for determining projectile acceleration and for evaluating gun performance. The launcher used in these studies consists of a two-stage light gas gun used to inject projectiles into a railgun for additional acceleration. Results obtained for projectile velocities to 7.4 km/s with the two-stage injector are reported, and potential improvements for railgun applications are discussed |
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