A technique to measure sensitivity of explosives to the effect of laser pulse radiation
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- Parent Category: Contens №4 2019
- Category: Solid State Physics, Mineral Processing
- Created on 19 August 2019
- Last Updated on 01 September 2019
- Published on 19 August 2019
- Written by Super User
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Authors:
O.L.Kyrychenko, Cand. Sc. (Tech.), orcid.org/0000-0002-1331-9323, State Enterprise “Research-Industrial Complex “Pavlohrad Chemical Plant”, Pavlohrad, Dnipropetrovsk Region, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
V.V.Kulivar, orcid.org/0000-0002-7817-9878, Dnipro University of Technology, Dnipro, Ukraine
O.V.Skobenko, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0003-4606-4889, Dnipro University of Technology, Dnipro, Ukraine
O.V.Khalymendyk, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0002-1311-1135, Dnipro University of Technology, Dnipro, Ukraine
Abstract:
Purpose. Improving reliability of the technique to determine sensitivity of explosives to laser pulse radiation involving the method for defining function of energy distribution in a laser beam.
Methodology. Experimental studies, physical and mathematical modeling.
Findings. The available techniques to determine sensitivity of explosives to laser pulse radiation have been analyzed. The technique to define the function of energy distribution in a laser beam is rather simple not requiring complex experimental equipment.
Originality. Regularities of energy density distribution within the laser ray cross-section have been determined. It has been demonstrated that both theoretical and experimental dependences of energy density upon the laser ray radius are characterized by Gaussian distribution being little different from each other. Changes in radiation intensity within the laser ray cross-section have been determined experimentally.
Practical value. Practical use of the laser initiation technique is connected with the improvement of the known methods to develop profiled detonation waves within the explosive charges as well as plane, cylindrical, conical, and spherical shock waves in different materials. Methods to develop such waves are characterized by maximum high repeatability of results and high efficiency in terms of minimum possible power consumption.
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