Abstract
The explosively formed projectile (EFP) is an important type of warhead technology. To verify and evaluate its design and performance, EFP testing is an essential procedure. This work applies a newly developed dual-color laser photographic system (DCLPS) to diagnose the EFP in a flight. The main concepts of the DCLPS and image measurement theory are introduced in detail. The states of the EFP in flight are recorded via experiments at the Nanshan Test Center. High-quality sequential images are obtained by the DCLPS, and the measured key parameters agree well with the simulation results. Test time is only a few minutes, and the measurement error is less than 10%. This work demonstrates the considerable capability of the DCLPS for rapid diagnosis and measurement of an ultrafast EFP, and its great potential in similar observation applications.
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