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- W4384026434 abstract "In order to obtain motion parameters of explosive fragments, a testing method of fragment motion parameters is proposed with high-speed photography of orthogonal dual camera. This method mainly includes three processes: fragment data collection, centroid coordinate calibration, and fragment coordinate calculation. The experimental results were compared with theoretical model established by aerodynamics. And the results showed that velocity values of large fragments can be obtained clearly in the experiment. Velocity values within the range of 1–3 meters are in good agreement with theoretical values, and velocity attenuation follows exponential decay law; Within a range of 3 meters from explosion center, dispersion trajectories of fragments are almost straight. The larger the mass and windward area of fragments, the faster the velocity attenuation, and the shorter the straight trajectory. This method can provide testing guidance for three-dimensional motion parameters of similar explosive fragments." @default.
- W4384026434 created "2023-07-13" @default.
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- W4384026434 date "2023-05-19" @default.
- W4384026434 modified "2023-10-16" @default.
- W4384026434 title "Research on the Testing Method of Fragment Motion Parameters with High-Speed Photography of Orthogonal Dual Camera" @default.
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- W4384026434 doi "https://doi.org/10.1109/icmsp58539.2023.10170870" @default.
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