Modeling of the process of the shot based on the numerical solution of the equations of internal ballistics

Authors

DOI:

https://doi.org/10.15587/1729-4061.2019.155357

Keywords:

barrel bore, ammunition, technical condition, ballistic element of the shot, internal ballistics, difference scheme, numerical method

Abstract

The study of the process of firing a firearm, taking into account the degree of wear of the barrel, requires an assessment of the losses of powder gases due to their breakthrough between the barrel walls and the projectile. Currently, the known methods for solving the equations of internal ballistics do not provide for obtaining results wich take into account the loss of part of the powder gases. As a result, there was a need to overcome the contradiction between the needs of applied ballistics and the capabilities of the existing scientific and methodological apparatus for solving the equations of internal ballistics.

The principles of construction of the difference scheme for the numerical solution of the equations of internal ballistics on the condition of the influence of typical defects of the barrel channels and ammunition are stated. Recurrent expressions for step-by-step calculation of ballistic elements of the shot are given, initial conditions for the first and second periods of the shot are defined. The practical testing of the difference scheme by the numerical solution of the equations of internal ballistics for characteristic combinations of initial data is carried out and its adequacy is confirmed. The expediency of creating a database of ballistic shot elements for typical defects of the barrel channels and powder charges is substantiated.

As a result of researches, the difference scheme for the numerical solution of the equations of internal ballistics wich provide the possibility of taking into account the influence of typical defects of the barrel channels and ammunition on ballistic elements of the shot is obtained. This opens the way to improving the operational control of the technical condition of weapons and ammunition by advancing its reliability and efficiency.

Based on the numerical solution of the equations of internal ballistics, it is possible to simulate the influence of the deviation of the geometrical parameters of the barrel channel and the degradation of the powder charge on the course of the shot process. This explains the importance and usefulness of the work for applied ballistics

Author Biographies

Oleksandr Kriukov, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkiv, Ukraine, 61001

Doctor of Technical Sciences, Professor

Department of Missile Artillery Weapons

Roman Melnikov, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkiv, Ukraine, 61001

Adjunct

Doctoral and Adjunct

Оlexandr Bilenko, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkiv, Ukraine, 61001

Doctor of Technical Sciences, Associate Professor

Doctoral and Adjunct

Artem Zozulia, National Academy of National Guard of Ukraine Zakhysnykiv Ukrainy sq., 3, Kharkiv, Ukraine, 61001

PhD

Department of Combat and Logistics Support

Sergey Herasimov, Ivan Kozhedub Kharkiv National University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

Doctor of Technical Sciences, Senior Researcher

Department of Arms Air Defense Ground Forces

Maksym Borysenko, Ivan Kozhedub Kharkiv National University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

PhD

Air Force Science Center

Vladislav Pavlii, Ivan Kozhedub Kharkiv National University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

PhD

Civil Aviation Institute

Serhii Khmelevskiy, Ivan Kozhedub Kharkiv National University of Air Force Sumska str., 77/79, Kharkiv, Ukraine, 61023

PhD, Senior Researcher

Department of Mathematical and Software

Dmytro Abramov, Kharkiv National Automobile and Highway University Yaroslava Mudroho str., 25, Kharkiv, Ukraine, 61002

PhD, Associate Professor

Department of Machine Building Technology and Machinery Repair

Vadym Sivak, National Academy of the State Border Guard Service of Ukraine named after Bogdan Khmelnitsky Shevchenka str., 46, Khmelnytskyi, Ukraine, 29003

Doctor of Technical Sciences, Associate Professor

Department of Engineering Support and Technical Means of Border Protection

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Published

2019-01-29

How to Cite

Kriukov, O., Melnikov, R., Bilenko О., Zozulia, A., Herasimov, S., Borysenko, M., Pavlii, V., Khmelevskiy, S., Abramov, D., & Sivak, V. (2019). Modeling of the process of the shot based on the numerical solution of the equations of internal ballistics. Eastern-European Journal of Enterprise Technologies, 1(5 (97), 40–46. https://doi.org/10.15587/1729-4061.2019.155357

Issue

Vol. 1 No. 5 (97) (2019): Applied physics

Section

Applied physics

License

Copyright (c) 2019 Oleksandr Kriukov, Roman Melnikov, Оlexandr Bilenko, Artem Zozulia, Sergey Herasimov, Maksym Borysenko, Vladislav Pavlii, Serhii Khmelevskiy, Dmytro Abramov, Vadym Sivak

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