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17 March 2005 Special tasks on FXR in detonics
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Proceedings Volume 5580, 26th International Congress on High-Speed Photography and Photonics; (2005)
Event: 26th International Congress on High-Speed Photography and Photonics, 2004, Alexandria, Virginia, United States
Flash X-ray (FXR) is a well known diagnostic technique for many applications. But special tasks give new requirements on the arrangements. Two examples to this are presented here. One task was to measure the asymmetric fragment velocity distribution in the radial directions of "Velocity Enhanced Warheads". This was possible with one flash X-ray, where the X-ray tube was arranged along the charge axis. To find out, what the the true dagonal distances are, the impacts of the radially dispersed fragments on witness plates were used. With the help of the in this way so defined elevation angles the velocities could be well calculated by the displacement distances on the x-ray films. The special test arrangement with the analysis procedure will be presented. Another task was to measure the momentum distribution of anti-tak mines, lying on the ground or levelled to the ground or 100 mm buried with the help of a double flash X-ray equipment. The transferred momenta could be very well measured. These data are important calibration inputs for numerical models of these very fast events. Test set-ups with achieved results will be presented, too.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Manfred Held "Special tasks on FXR in detonics", Proc. SPIE 5580, 26th International Congress on High-Speed Photography and Photonics, (17 March 2005);


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