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Vol.2, No.2, 2023: pp.41-48
STUDY ON METHOD TO DETERMINE THE LIFE OF TESTING GUN THAT FIRES 7.62x25mm AMMUNITION
Authors:
Nguyen Minh Phu1
, Vo Van Bien1
, Nguyen Van Hung1
1The Faculty of Special Equipments, Le Quy Don Technical University, Hanoi City, 100000, Vietnam
Received: 6 March 2023
Revised: 7 June 2023
Accepted: 19 June 2023
Published: 30 June 2023
Abstract:
The article presents a method to determine the life of a testing gun that fires 7.62x25mm ammunition. The scientific basis for determining the life of the test barrel is based on the wear of the rifling lands corresponding to the number of shots. The wear of the barrel is determined by the thermal and mechanical effects of the bullet’s driving band on the lands and the grooves. The results show that: With the number of fires being 1000, 2000, 3000, 4000, 5000, and 6000 respectively, the barrel wear is 0.334mm, 0.668mm, 1.002mm, 1.337mm, 1.671mm, 2.005mm, and the muzzle velocity is reduced respectively by 1.15%, 2.06%, 2.98%, 3.67%, 4.36%, 5.28%. The accuracy of the 7.62x25mm ammunition test results is reduced due to this change. In addition, to ensure the accuracy of the measurements, the barrel needs to be replaced when the number of shots is more than 5000 shots. The paper is an important theoretical basis for determining the gun life used to test infantry ammunition.
Keywords:
Testing gun, barrel wear, muzzle velocity, infantry gun, 7.62x25mm ammunition
References:
[1] C. Ding, N. Liu, X. Zhang, A mesh generation method for worn gun barrel and its application in projectile-barrel interaction analysis. Finite Elements in Analysis and Design, 124, 2017: 22-32. https://doi.org/10.1016/j.finel.2016.10.003
[2] X. Li, Y. Wang, Y. Zang, B. Guan and Q. Qin, Analysis of interior ballistic performance degradation of a worn gun barrel based on finite element method. Journal of Physics Conference Series, 1314, 2019: 012090.
https://doi.org/10.1088/1742-6596/1314/1/012090
[3] O. Chevalier, A. Langlet, L. Fouché-Sanseigne, Y. Guilmard, Assessment of the Lifetime of Gun Barrels Under High-Speed Moving Loads. ASME Journal of Pressure Vessel Technology, 137(1), 2015: 015001. https://doi.org/10.1115/1.4027306
[4] T.D. Andrews, Projectile Driving Band Interactions With Gun Barrels. ASME Journal of Pressure Vessel Technology, 128(2), 2006: 273-278. https://doi.org/10.1115/1.2172965
[5] J. Balla, V.D. Nguyen, Z. Krist, M.P. Nguyen, V.B. Vo, Study Effects of Shock Absorbers Parameters to Recoil of Automatic Weapons. 2021 International Conference on Military Technologies (ICMT), 8-11 June 2021, Brno, Czech Republic.
https://doi.org/10.1109/ICMT52455.2021.9502825
[6] S. Chu, New Approach for Analysis of Transverse Projectile-Tube Interactions. Proceedings of the 3rd U.S. Army Symposium on Gun Dynamics, 1981.
[7] N.H. Lanh, N.T. Hai, Non-stop heat conduction methods. Peoples’s army publishing House, Ha Noi, 2004.
[8] Y.-A. Su, I.G. Tadjbakhsh, Transient Vibrations and Instability in Flexible Guns—II. Response Characteristics. International Journal of Impact Engineering, 11(2), 1991: 173-184. https://doi.org/10.1016/0734-743X(91)90004-Y
[9] I.M. Snyman, The Numerical Simulation of Projectile/Barrel Interaction. 15th International Symposium on Ballistics, 21-24 May 1995, Jerusalem, Israel.
[10] T.E. Simkins, G.A. Pflegl, E.G. Stilston, Dynamic Strains in a 60-mm Gun Tube – An Experimental Study. U.S. Army Armament Research, Development and Engineering Center (ARDEC), USA, 1992.
[11] S.W. James, R.P. Tatam, S.R. Fuller, C. Crompton, Monitoring Transient Strains on a Gun Barrel Using Fibre Bragg-Grating Sensors. Measurement Science and Technology, 10(2),1999: 63. https://doi.org/10.1088/0957-0233/10/2/002
[12] C.H. Wang, M.W. Brown, Life Prediction Techniques for Variable Amplitude Multiaxial Fatigue-Part I: Theories. ASME Journal of Pressure Vessel Technology, 118(3), 1996:367-370. https://doi.org/10.1115/1.2806821
[13] B. Wu, J. Zheng, Q.-t. Tian, Z.-q. Zou, X.-l. Chen, K.-s. Zhang, Friction and wear between rotating band and gun barrel during engraving process. Wear, 318(1-2), 2014: 106-113. https://doi.org/10.1016/j.wear.2014.06.020
[14] X. Huang, J. Garner, P. Conroy, Thermal and ballistic dynamic analyses for gun ceramic nozzles. Materials and Manufacturing Processes, 21(6), 2006: 602-611. https://doi.org/10.1080/10426910600611086
[15] T.J. South, D. Kamdar, M. Minnicino, Small caliber modeling from design to manufacture to launch. 23rd International Symposium on Ballistics, 16-20 April 2007, Tarragona, Spain, pp.557-564.
[16] Q. Luo, X. Zhang. Research for a projectile positioning structure for stacked projectile weapons. Journal of Applied Mechanics, 78(5), 2011: 051015. https://doi.org/10.1115/1.4004285
[17] Headquarters United States Army Materiel Command, Engineering Design Handbook – Interior Ballistics of Guns. United States Army, USA, 1965.
[18] M. Fiser, L. Popenlinsky, Small arms. Military academy, Brno, 2007.
[19] H. Keinänen S. Moilanen, J. Tervokoski, J. Toivola, Influence of rotating band construction on gun tube loading—Part I: Numerical approach. ASME Journal of Pressure Vessel Technology, 134(4), 2012: 041006. https://doi.org/10.1115/1.4006354
[20] V.D. Tien, M. Macko, S. Procházka, V.V. Bien, Mathematical Model of a Gas-Operated Machine Gun. Advances in Military Technology, 17(1), 2022: 63-77. https://doi.org/10.3849/aimt.01449
[21] E. Değirmenci, C. Evci, H. Işık, M. Macar, N. Yılmaz, H.M. Dirikolu, V. Çelik, Thermo-mechanical analysis of double base propellant combustion in a barrel. Applied Thermal Engineering, 102, 2016: 1287-1299.
https://doi.org/10.1016/j.applthermaleng.2016.04.062
[22] J. Balla, M. Havlicek, L. Jedlicka, Z. Krist F. Racek, Firing stability of mounted small arms. International Journal of Mathematical Models and Methods in Applied Sciences, 5(3), 2011: 412-422.
[23] R. Vitek, Analyses of the Measurement Accuracy of the Optical Light Gates. 2019 International Conference on Military Technologies (ICMT), 30-31 May 2019, Brno, Czech Republic, pp.1-11. https://doi.org/10.1109/MILTECHS.2019.8870114
[24] D.P. Nguyen, B.V. Vo, M. Macko, T.V. Dang, Research Technical Solution for Reducing Oscillations of Weapons Mounted on the Vehicle. International Conference on Military Technologies, 8-11 June 2021, Brno, Czech Republic.
https://doi.org/10.1109/ICMT52455.2021.9502835
[25] V.B. Vo, S. Beer, N.T. Sy, N.D. Phon, The Effect of The Nozzle Ultimate Section Diameter on Interior Ballistics of HV-76 Trial Gun. 2019 International Conference on Military Technologies (ICMT), 30-31 May 2019, Brno, Czech Republic, 2019, pp.1-6. https://doi.org/10.1109/MILTECHS.2019.8870040
[26] Technical conditions for acceptance test for gun fires 7,62×25 mm ammunition, Z111 Factory. Ministry of Defense, Vietnam, 2016.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0)
Volume 2
Number 2
June 2023.
How to Cite
N.M. Phu, V.V. Bien, N.V. Hung, Study on Method to Determine the Life of Testing Gun That Fires 7.62x25mm Ammunition. Advanced Engineering Letters, 2(2), 2023: 41–48.
https://doi.org/10.46793/adeletters.2023.2.2.1
More Citation Formats
Phu, N. M., Bien, V. V., & Hung, N. V. (2023). Study on Method to Determine the Life of Testing Gun That Fires 7.62x25mm Ammunition. Advanced Engineering Letters, 2(2), 41–48. https://doi.org/10.46793/adeletters.2023.2.2.1
Phu, Nguyen Minh, et al. “Study on Method to Determine the Life of Testing Gun That Fires 7.62x25mm Ammunition.” Advanced Engineering Letters, vol. 2, no. 2, 2023, pp. 41–48, https://doi.org/10.46793/adeletters.2023.2.2.1.
Phu, Nguyen Minh, Vo Van Bien, and Nguyen Van Hung. 2023. “Study on Method to Determine the Life of Testing Gun That Fires 7.62x25mm Ammunition.” Advanced Engineering Letters 2 (2): 41–48. https://doi.org/10.46793/adeletters.2023.2.2.1.
Phu, N. M., Bien, V. V., and Hung, N. V. (2023). Study on Method to Determine the Life of Testing Gun That Fires 7.62x25mm Ammunition.” Advanced Engineering Letters, 2(2), pp.41–48. doi: 10.46793/adeletters.2023.2.2.1.