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Published on: June 28, 2015
Diagnostic system to measure spatial and temporal profiles of shock front using compact two-stage light-gas gun and
Manabu Yokoo1, Nobuaki Kawai, Yoichiro Hironaka
1Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori, Yokohama, Japan. yokoo@knlab.msl.titech.ac.jp
Abstract:
A diagnostic system has been developed to obtain spatial and temporal profiles of shock front. A two-stage light-gas gun is used to accelerate impactors in velocity range with 4-9 km/s. The system consists of the Faraday-type electromagnetic sensors to measure impactor velocity, optical system with high-speed streak camera to measure shock-wave velocities, and the delay trigger system with self-adjustable pre-event pulse generator. We describe the specifications and performance of this system and data-analysis technique on the tilt and distortion of the shock front. Finally, we obtained the Hugoniot data of copper for system demonstration.
