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Статті в журналах з теми "Tank gun"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Wang, Guo Hui, and Bo Zhao. "Dynamic Analysis of Electrical Control Components under Tank Gun Firing Impact." Applied Mechanics and Materials 628 (September 2014): 235–39. http://dx.doi.org/10.4028/www.scientific.net/amm.628.235.

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Анотація:

To acquire the dynamic characteristics of electrical control component under tank gun firing impact, the author simplified tank structure, combined the three-dimensional modeling software Solidworks and dynamics simulation software ADAMS, constructed a full vehicle dynamics simulation model of a main battle tank and simulated the firing of tank gun. The compare between experimental and simulated results proved the validity and reliability of this model. This set the foundation for the analysis of fault principles of fire control computer and its internal structure under the impact of tank gun firing.

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2

Liu, Jian, Fengjiang An, Cheng Wu, Longhui Zhang, Yanxi Zhang, and Yipeng Li. "Study on the Ignition Mechanism of Inert Fuel Tank Subjected to High-Velocity Impact of Fragments." Materials 15, no. 9 (May 7, 2022): 3360. http://dx.doi.org/10.3390/ma15093360.

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Nowadays, aircraft fuel tanks are protected by measures such as inerting, fire and explosion suppression, which significantly improve their ability to mitigate mechanical damage and prevent fire in the case of an accidental attack. In this study, an equivalent inert fuel tank with fire and explosion suppression was designed according to the vulnerabilities of a typical fighter. Then, a ballistic gun, a 37 mm gun and a two-stage light-gas gun were used to propel different fragments in tank damage experiments at different speeds (1400 m/s–2600 m/s). Experimental results show that the disassembly of a fuel tank is a prerequisite for igniting fuel. When the fragments hit the gas phase of the tank, the fuel tank was not disassembled and the fuel was not ignited. The calculation results show that the internal oxygen concentration was always lower than the limiting oxygen concentration (12%) before the fuel tank was disassembled. In addition, the minimum ignition speeds of inerted fragments with different masses as predicted by the ignition criterion when hitting the liquid fuel are consistent with the test results. This shows that increasing the mass of inert fragments will increase the minimum ignition speed and reduce the probability of ignition of the fuel. However, the implosion effect of the energetic fragments released about 3 times the chemical energy of its own kinetic energy, and the high-temperature and high-pressure products were very beneficial to the disintegration and ignition of the fuel tank compared to inert fragments.

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3

Narasimhan, G., and N. Sivaprasad. "FEM Analysis of Gun Tank Turret." Defence Science Journal 39, no. 3 (July 1, 1989): 257–68. http://dx.doi.org/10.14429/dsj.39.4769.

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4

Purdy, David J. "Comparison of Balance and Out of Balance Main Battle Tank Armaments." Shock and Vibration 8, no. 3-4 (2001): 167–74. http://dx.doi.org/10.1155/2001/326219.

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Анотація:

It has been commonly thought that stabilising an out of balance gun on a moving platform (tank or ship) is very difficult or impossible to achieve. Using models of a balanced and out of balance gun on a main battle tank this is shown not to be the case. The models of the guns used, include the effect of non-linear friction and out of balance. To improve the stabilisation of the out of balance gun, trunnion vertical acceleration feedforward is used.

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5

Li, Hua, Meng Chun Zhong, Jian Zhang, Da Xu, and Chun Lin Zhang. "Study on Condition Monitor Method for Tank Gun Recoil Mechanism." Applied Mechanics and Materials 401-403 (September 2013): 1218–21. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.1218.

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Анотація:

Aimed at problem that technical conditions parameters of recoil mechanism need to be monitored during maintain and guarantee, method on condition monitor method for tank gun recoil based on vibration signal is brought forward and monitoring platform is designed. Accordingly, monitoring technical conditions change of recoil mechanism is realized and technique support is provided for usability evaluation of key parts of tank gun.

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6

Dursun, Tolga, Çağrıhan Utlu, and Enis Naci Özkan. "Effects of Tank Gun Structural Components on the First Shot Hit Probability." Defence Science Journal 68, no. 3 (April 16, 2018): 273. http://dx.doi.org/10.14429/dsj.68.12246.

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Анотація:

Fire power for a main battle tank is one of the most important performance parameters like survivability and mobility. Fire power effectiveness is directly related to the first shot hit probability, performance of main gun, second armament, gun and turret drive system, fire control system, automatic target tracker, commander and gunner sight etc. First shot hit probability (a measure of cumulative effects of errors) is affected by the variations of the projectile parameters, the main gun structure uncertainties, fire control system errors, interaction between the projectile and the gun barrel and the unpredictable environmental changes. These errors and variations can be eliminated or minimised by understanding and simulating the firing event properly, manufacturing the related parts in high precision, using advanced fire control algorithms, and accurate sensors. In this review study, the effects of main gun structural components on the first shot hit probability are investigated taking into account all of the associated error sources. In order for a main battle tank to have both high and repetitive first shot hit probability under all battlefield conditions the gun structure should respond in a similar manner in successive firings without causing any abrupt change in performance. In this study, first the dynamic behaviour of gun/projectile system is discussed and then the design recommendations for the main gun components such as bearings, gun barrel, recoil system etc. to achieve higher first shot hit probability are reviewed.

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7

Liu, Hong-Tian, Chao Song, Yang Cao, Wan-Jun Zhang, Dong-Jun Wang, and Hong-wei Wu. "A Design of Test Equipment on Gun Control Systems and Autoloaders." Journal of Physics: Conference Series 2187, no. 1 (February 1, 2022): 012018. http://dx.doi.org/10.1088/1742-6596/2187/1/012018.

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Анотація:

Abstract In response to a series of problems in the actual use of a certain type of tank fire control system and autoloader, such as many sudden failures, difficulties in diagnosing and locating failures, and complex maintenance and guarantee, a testing equipment is designed for the gun control box and autoloader, which is used to monitor the status of the gun control box and autoloader, and store the test data in real time. By comparing the test data and analysing the abnormal problems that occur in the work of the gun control box and the autoloader, it realises the monitoring of the working condition of the tank gun control box and the autoloader components, providing effective data support for the next step of repair.

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8

El-Saady, W., A. Abd Allah, A. Ibrahim, and A. Hussien. "DYNAMIC SIMULATION OF TANK GUN RECOIL CYCLE." International Conference on Applied Mechanics and Mechanical Engineering 16, no. 16 (May 1, 2014): 1–11. http://dx.doi.org/10.21608/amme.2014.35481.

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9

Chen, Wei Yi, Qi Xie, and Yun Luo. "Research on the Test Technology of Fire Control System of Tank." Advanced Materials Research 694-697 (May 2013): 2040–43. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.2040.

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Анотація:

Based on the test scheme and principle of armoured vehicle fire control system, proposes electrical measurement method unite gyros method to test armoured vehicle fire control system; Established the processing model of gun drifting, stability accuracy, gun transfer speed, intergrade quality; according to the gyros drifting problem, proposes drift trend arithmetic to enhancing the accuracy of measuring system.

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10

Turley, D. M. "Erosion of a chromium-plated tank gun barrel." Wear 131, no. 1 (May 1989): 135–50. http://dx.doi.org/10.1016/0043-1648(89)90250-0.

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11

Cai, Jian Ping, and Jun Er Ma. "Robust Adaptive Control for Gun Control System of Tank." Advanced Materials Research 295-297 (July 2011): 270–73. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.270.

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Анотація:

In this note, a class of gun control system of tank is considered with all uncertainties, such as unknown constant parameters, unlinearly parts, unparameterized parts, unmodeled parts, unknown external disturbance and so on. An robust adaptive control law is designed with backstepping technique. Compared to exist results on tank gun control problem , our control scheme combine the robust control and the adaptive estimator of unknown constant parameters and can compensate all uncertainties Accurately. The stability of closed loop system and the tracking performance can be guaranteed by this control law. Simulation studies show that this controller is effective.

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12

Shen, Lu Juan, Ye Bao, and Jian Ping Cai. "Adaptive Control of Uncertain Gun Control System of Tank." Applied Mechanics and Materials 88-89 (August 2011): 88–92. http://dx.doi.org/10.4028/www.scientific.net/amm.88-89.88.

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Анотація:

In this paper, a class of gun control system of tank is considered with uncertain parameters and the backlash-like hysteresis which modeled by a differential equation. An adaptive control law is designed with backstepping technique. Compared to exist results on tank gun control problem , in our control scheme, the effect of backlash hysteresis is considered completely than to be linearized simply and no knowledge is assumed on the uncertain parameters. the stability of closed loop system and the tracking performance can be guaranteed by this control law. Simulation studies show that this controller is effective.

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13

Kuśnierz, Tadeusz. "UPGRADES OF PROJECTING CHARGE FOR APFSDS-T-TP AMMUNITION FIRED WITH 120 MM GUN OF LEOPARD 2 TANK." PROBLEMY TECHNIKI UZBROJENIA 146, no. 2 (October 15, 2018): 107–17. http://dx.doi.org/10.5604/01.3001.0012.6811.

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Анотація:

APFSDS-T-TP ammunition of home production for 120 mm gun of LEOPARD 2 tank, being on the inventory of the Polish Armed Forces, has not passed the requirements of NO-13-A513 Defence Standard at certification tests against the random vibrations occurring at its tactical transportation inside the tank. Performed tests have indicated that the fulfilment of Standard requirements can be achieved by upgrading the igniting system what also makes the projecting charge design of APFSDS-T-TP ammunition change. The paper describes the research-development work on the upgrading of the igniting system for the cartridges used in 120 mm gun of LEOPARD 2 tank. The designs of the existing and upgraded igniting systems are presented both with the designing changes of projecting charges and ammunition ballistic and performance test results.

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14

Kuscu, Hilmi, and Salim Songul. "Development of Gun Turret Drive Stabilization System with a Microcontroller and Implementation on a Model Tank." Applied Mechanics and Materials 555 (June 2014): 217–21. http://dx.doi.org/10.4028/www.scientific.net/amm.555.217.

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Анотація:

Nowadays and in the future, high mobility combat troops will be needed instead of the steady troops in the battlefields. The mobility of troops improves the effect of incursion and prevents troops from becoming an easy target. Mobile gun systems move and vibrate easily because of rough land. Thus, shooting the target and the likelihood of hitting target successfully becomes more difficult for tank gunners. In order to improve the like hood of hitting target and shoot straight, the gun barrel on the turret of a mobile tank has to be stable in the target region.

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15

Xu, Zhen Hui, Li Xu, Shi Hai Zhou, and Zhen Jun Yang. "Research on Technical Conditions Testing Line of Certain Tank Gun Weapon System." Applied Mechanics and Materials 602-605 (August 2014): 1630–33. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.1630.

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Анотація:

In certain tank gun technical conditions integrated testing line, we firstly realize on line test of tank gun under non disassembly situation by using data acquisition card ----4472B produced in American NI Company. It realizes multiple data concurrent acquisition and processing and ensures the integral correlation of each testing data. The system adopts PXI main control platform and actualizes the technical conditions integrated test system of breechblock and recoil system based on Virtual Instrument technology. Through practical use, the result proves that the system has prominent character of integrated testing, online testing, visual data and convenient operation.

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16

Ho¨lzle, Ju¨rg. "Influence of the “Critical Velocity” Phenomenon on Chromium-Plated Gun Barrels." Journal of Pressure Vessel Technology 125, no. 3 (August 1, 2003): 352–54. http://dx.doi.org/10.1115/1.1593701.

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Анотація:

A experimental 120 mm L55 tank gun barrel showed heavy loss of the chromium plating at the muzzle region. Experimental and theoretical studies led to the conclusion that high frequency oscillations, caused by the traveling pressure wave, are responsible for this effect. This so-called “critical velocity” phenomenon must be a design criterion for modern gun barrels.

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17

Chen, Yu, and Guolai Yang. "Dynamic simulation of tank stabilizer based on adaptive control." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 9 (September 30, 2018): 3038–49. http://dx.doi.org/10.1177/0954406218802315.

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Анотація:

Tank stabilizer is a control system keeping the bore axis in the desired sighting angle. For the control problem of the stabilizer in the case of uncertain parameters, the adaptive control method is introduced to design the vertical tank stabilizer with the nonlinear dynamic model of vertical stabilizer given in the paper. In the design, the multiple parameter uncertainties of the hydraulic servo system are fully considered and the linear feedback control is used to improve the asymptotic stability of the system. The vertical stabilizer of tank is simulated in MATLAB/Simulink environment. In addition, a dynamic model of tank on the move is established based on multi-body system theory, vehicle terramechanics and gun launch dynamics. Then the established dynamic model is combined with the designed controller based on the RecurDyn/Control module. The numerical calculation results show that the adaptive control method can effectively control the muzzle vibration of tank on the move and it can satisfy the requirement of actual vertical stabilization accuracy. But some nonlinear factors of the gun such as the flexibility of the barrel will seriously influence the desired stabilization accuracy of the vertical tank stabilizer. A comparison experiment between adaptive control and proportional–integral–derivative control is also presented to show the effectiveness of the adaptive control method. The research provides a feasible way to improve the firing accuracy of tank firing on the move.

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18

Aleksandrova, Tatyana Ye, and Yevgeniy Ye Aleksandrov. "Parametric Synthesis of Digital Stabilization System of Tank Gun." Journal of Automation and Information Sciences 47, no. 11 (2015): 1–17. http://dx.doi.org/10.1615/jautomatinfscien.v47.i11.10.

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19

Gast, Ronald, Steven Morris, and Mark Costello. "Simulation of Shot Impacts for the M1A1 Tank Gun." Journal of Guidance, Control, and Dynamics 23, no. 1 (January 2000): 53–59. http://dx.doi.org/10.2514/2.4486.

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20

Cai, JianPing, Rui Yu, Qiuzhen Yan, Congli Mei, Binrui Wang, and Lujuan Shen. "Event-Triggered Adaptive Control for Tank Gun Control Systems." IEEE Access 7 (2019): 17517–23. http://dx.doi.org/10.1109/access.2019.2892952.

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21

Jaiswal, Garima, Munis A. R. Shaikh, Sunil D. Shelar, Vijayalakshmi Ramavath, and Subhankar Roy. "RDX Based Enhanced Energy Propellant for Tank Gun Ammunition." Propellants, Explosives, Pyrotechnics 45, no. 3 (November 19, 2019): 472–79. http://dx.doi.org/10.1002/prep.201900250.

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22

Pokryvailo, A., I. Ziv, and M. Shapira. "Repetitive inductive storage supply for an ETC tank gun." IEEE Transactions on Magnetics 39, no. 1 (January 2003): 257–61. http://dx.doi.org/10.1109/tmag.2002.805935.

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23

Atack, Rodney M., Joel D. Bales, John G. Wrobel, and Nelson D. Lewis. "Reduction of tank main gun noise with a muffler." Journal of the Acoustical Society of America 78, S1 (November 1985): S32. http://dx.doi.org/10.1121/1.2022757.

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24

McCall, Peter L. "Measurements of Gun Tube Motion and Muzzle Pointing Error of Main Battle Tanks." Shock and Vibration 8, no. 3-4 (2001): 157–66. http://dx.doi.org/10.1155/2001/183251.

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Анотація:

Beginning in 1990, the US Army Aberdeen Test Center (ATC) began testing a prototype cannon mounted in a non-armored turret fitted to an M1A1 Abrams tank chassis. The cannon design incorporated a longer gun tube as a means to increase projectile velocity. A significant increase in projectile impact dispersion was measured early in the test program. Through investigative efforts, the cause of the error was linked to the increased dynamic bending or flexure of the longer tube observed while the vehicle was moving. Research and investigative work was conducted through a collaborative effort with the US Army Research Laboratory, Benet Laboratory, Project Manager – Tank Main Armament Systems, US Army Research and Engineering Center, and Cadillac Gage Textron Inc. New test methods, instrumentation, data analysis procedures, and stabilization control design resulted through this series of investigations into the dynamic tube flexure error source. Through this joint research, improvements in tank fire control design have been developed to improve delivery accuracy. This paper discusses the instrumentation implemented, methods applied, and analysis procedures used to characterize the tube flexure during dynamic tests of a main battle tank and the relationship between gun pointing error and muzzle pointing error.

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25

Wu, Yan Chyuan, Ho Chang, and Tsig Tshih Tsung. "Characteristics of Supersonic Projectile Shock Wave." Advanced Materials Research 201-203 (February 2011): 2571–77. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.2571.

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Анотація:

This paper discusses characteristics of supersonic projectile shock wave in muzzle regions when firing high explosive anti-tank (HEAT) and high explosive (HE) projectiles. They are fired with a muzzle velocity of Mach 3.5 at horizontal from a medium caliber tank gun equipped with a new designed multi-perforated muzzle brake and of Mach 2 at elevation angles from a large caliber howitzer also equipped with a new double baffles muzzle brake, respectively. In the near field, pressure signatures of the N-wave generated from projectiles are measured by cotton sheathed 32-microphone ring array. Recordings measured from the microphone array are used to demonstrate several key characteristics of the shock wave of supersonic projectile. All measurements in this study can be a significant reference for developing guns, tanks or the chassis of fighting vehicles.

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26

Chen, Yu, Guolai Yang, and Quanzhao Sun. "Dynamic simulation on vibration control of marching tank gun based on adaptive robust control." Journal of Low Frequency Noise, Vibration and Active Control 39, no. 2 (May 2, 2019): 416–34. http://dx.doi.org/10.1177/1461348419846685.

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Анотація:

In order to better understand the dynamic behavior and decrease the muzzle vibration of marching tank, a mechanical–electrical–hydraulic integrated dynamic model of marching tank was established based on a novel dynamic co-simulation method. The hydraulic system model was modeled in Amesim and the dynamic model of marching tank was established in RecurDyn based on multi-body system theory, vehicle terramechanics, and gun launch dynamics. The control system model was modeled in MATLAB/Simulink. Therein, the adaptive robust control algorithm was introduced to design the vertical stabilizer controller and the simulation program of the designed controller was developed by C language. The simulation results show that the muzzle vibration of marching tank can be controlled effectively by the ARC method. Furthermore, the muzzle error compensation signal was added in the designed controller to weaken the detrimental effect of the barrel flexibility on muzzle vibration. This work provides an approach to investigate the dynamic behavior of marching tank considering effects among the mechanical, hydraulic, and control subsystems.

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27

Wu, Xiao Ying, and Fan Li. "Research on Numerical Simulation of Fragments towards Major Fighting Tank’s File System." Advanced Materials Research 1030-1032 (September 2014): 1323–26. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1323.

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Анотація:

we analyze the damage effect of different fragments of tank weapon system. The fragment penetrating 125mm smoothbore tube as an example, we established the simulation modeling and setting the initial conditions for the calculation of the. Numerical simulation of damage of fragment penetrating the gun tube by using ANSYS software, we analyze the damage assessment parameters. By using multiple regression method to analyze the results, we conclude that damage rule fragment penetration of gun tube.

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28

Yuan, Dong, Xiao Jun Ma, and Wei Wei. "Multimode Adaptive Control for Tank Gun Control System Based on Tracking Differentiator." Advanced Materials Research 383-390 (November 2011): 79–85. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.79.

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Анотація:

Aiming at the problems such as switch impulsion, insurmountability for influence caused by nonlinearity in one tank gun control system which adopts double PID controller to realize the multimode switch control between high speed and low speed movement, the system math model is built up; And then, Model Reference Adaptive Control (MRAC) method based on nonroutine reference model is brought in and the adaptive gun controller is designed. Consequently, the compensation of nonlinearity and multimode control are implemented. Furthermore, the Tracking Differentiator (TD) is affiliated to the front of controller in order to restrain the impulsion caused by mode switch. Finally, the validity of control method in this paper is verified by simulation.

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29

Hwang, Sung Ho, and Jae Bum Park. "Characterization of Noise Exposure in the Tank Gun Drill Ranges." Journal of Korean Society of Occupational and Environmental Hygiene 24, no. 1 (March 31, 2014): 74–78. http://dx.doi.org/10.15269/jksoeh.2014.24.1.074.

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30

Shukla, Jitesh. "Dynamic analysis of gun control system of main battle tank." International Journal of Heavy Vehicle Systems 1, no. 1 (2020): 1. http://dx.doi.org/10.1504/ijhvs.2020.10028245.

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31

Ma, X., W. X. Deng, Sh S. Yuan, J. Y. Yao, and G. L. Yang. "Neural network based adaptive rise control of tank gun systems." Journal of Physics: Conference Series 1507 (April 2020): 052001. http://dx.doi.org/10.1088/1742-6596/1507/5/052001.

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32

Pillai, A. G. S., M. M. Joshi, A. M. Barve, S. P. Velapure, and J. S. Karir. "Cellulose Acetate Binder-Based LOVA Gun Propellant for Tank Guns." Defence Science Journal 49, no. 2 (January 1, 1999): 141–49. http://dx.doi.org/10.14429/dsj.49.3799.

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33

Rehman, Hafizur, Hanshik Chung, Taewhee Joung, A. Suwono, and Hyomin Jeong. "CFD analysis of sound pressure in tank gun muzzle silencer." Journal of Central South University of Technology 18, no. 6 (December 2011): 2015–20. http://dx.doi.org/10.1007/s11771-011-0936-7.

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34

Shukla, Jitesh. "Dynamic analysis of gun control system of main battle tank." International Journal of Heavy Vehicle Systems 28, no. 2 (2021): 158. http://dx.doi.org/10.1504/ijhvs.2021.115587.

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35

Jun, Lin. "The Research on Hardware Design for the Automatic Verification System of Late-Model Fuel Dispensers." Applied Mechanics and Materials 321-324 (June 2013): 728–33. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.728.

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Анотація:

According to the requirement of JJG443-2006 <Verification Regulation of Fuel Dispensers>,the solution of hardware design of late-model fuel dispensers automatic verification system is introduced in this paper, which makes use of four wire PT resistance and AD7712 as the acquisition circuit for getting temperature of oil tank and oil gun. In order to achieve the automatic verification of fuel dispensers, it also designs the measuring circuit for the flow rate of oil gun based on AD620 chip and the automatic camera module driven by stepper motor.

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36

Wehner, Daniel, Martin Landrø, and Lasse Amundsen. "On low frequencies emitted by air guns at very shallow depths — An experimental study." GEOPHYSICS 84, no. 5 (September 1, 2019): P61—P71. http://dx.doi.org/10.1190/geo2018-0687.1.

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Анотація:

In marine seismic acquisition, the enhancement of frequency amplitudes below 5 Hz is of special interest because it improves imaging of the subsurface. The frequency content of the air gun, the most commonly used marine seismic source, is mainly controlled by its depth and the volume. Although the depth dependency on frequencies greater than 5 Hz has been thoroughly investigated, for frequencies less than 5 Hz it is less understood. However, recent results suggest that sources fired very close to the sea surface might enhance these very low frequencies. Therefore, we conduct dedicated tank experiments to investigate the changes of the source signal for very shallow sources in more detail. A small-volume air gun is fired at different distances from the water-air interface, including depths for which the air bubble bursts directly into the surrounding air. The variations of the oscillating bubble and surface disturbances, which can cause changes of the reflected signal from the sea surface, are explored to determine whether an increased frequency signal below 5 Hz can be achieved from very shallow air guns. The results are compared with field measurements of a large-volume air gun fired close to the sea surface. The results reveal an increased signal for frequencies below 5 Hz of up to 10 and 20 dB for the tank and field experiments, respectively, for the source depth at which the air gun bubble bursts directly into the surrounding air. For large-volume air guns, an increased low-frequency signal might also be achieved for sources that are slightly deeper than this bursting depth. From these observations, new design considerations in the geometry of air-gun arrays in marine seismic acquisition are suggested.

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37

Ahmad, Shahnawaz, and Vikas Kumar. "Structural Integrity Analysis of a Battle Tank Gun Barrel during Service." Defence Science Journal 65, no. 1 (February 26, 2015): 83–89. http://dx.doi.org/10.14429/dsj.65.7800.

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38

Xia, Yuanqing, Li Dai, Mengyin Fu, Chunming Li, and Chunming Wang. "Application of active disturbance rejection control in tank gun control system." Journal of the Franklin Institute 351, no. 4 (April 2014): 2299–314. http://dx.doi.org/10.1016/j.jfranklin.2013.02.003.

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39

Shakarwal, Anita, Anil Kumar, and Sunil Uniyal. "Analysis of Different Approaches for Gun Ammunition to Hit Aerial Target." Advanced Materials Research 433-440 (January 2012): 6116–20. http://dx.doi.org/10.4028/www.scientific.net/amr.433-440.6116.

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Анотація:

The role of fire control system is to orient the gun at proper position to hit the moving target accurately. Aim of this paper is to study the different approaches and to analyze the gun ammunition characteristics to hit the aerial target. The described approaches would help in the selection of killing range. These approaches have been implemented with the experimental data generated for guns. The experimental data has been analyzed for suitability of particular technique under different circumstances. This work contributes in prediction of firing angle that includes ballistic offset and lead angle above the angle of sight to engage a moving target from static tank.

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40

Bundy, Mark, James Newill, Vince Marcopoli, Michael Ng, and Charles Wells. "A Methodology for Characterizing Gun Barrel Flexure due to Vehicle Motion." Shock and Vibration 8, no. 3-4 (2001): 223–28. http://dx.doi.org/10.1155/2001/746901.

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Анотація:

Barrel centerline curvature is known to influence the location of projectile shot impacts. Superimposed on the unique manufactured barrel centerline is the flexed barrel shape that can occur prior to firing while the vehicle is on the move. In order to understand and quantify the effects of barrel flexure on gun accuracy, it is necessary to determine what combination of fundamental mode shapes is most likely to occur. A method to accomplish this task is described in this paper. The method is demonstrated by enumerating the 10 most likely flexed barrel shapes that were found to occur in a tank-mounted gun barrel while it traversed a bump course.

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41

Zhang, Yuntao, Qiuzhen Yan, Jianping Cai, and Xiushan Wu. "Adaptive Iterative Learning Control for Tank Gun Servo Systems With Input Deadzone." IEEE Access 8 (2020): 63443–51. http://dx.doi.org/10.1109/access.2020.2983454.

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42

Tian, Jinghua, Qiuzhen Yan, Jian-Ping Cai, and Xiaohui Guan. "The Tracking Problem in Tank Gun Control Systems With Periodic Reference Signals." IEEE Access 8 (2020): 132086–94. http://dx.doi.org/10.1109/access.2020.3010310.

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43

Zhu, Guangming, Xiushan Wu, Qiuzhen Yan, and Jianping Cai. "Robust Learning Control for Tank Gun Control Servo Systems Under Alignment Condition." IEEE Access 7 (2019): 145524–31. http://dx.doi.org/10.1109/access.2019.2938814.

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44

Perl, M., and T. Saley. "The detrimental effect of autofrettage on externally cracked modern tank gun barrels." Defence Technology 15, no. 2 (April 2019): 146–53. http://dx.doi.org/10.1016/j.dt.2018.10.001.

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45

Huang, Hu, Haojie Li, Xuhuan Zhang, and Yue Feng. "Design of spike voltage generation system for tank gun ammunition setting test." Journal of Physics: Conference Series 1738 (January 2021): 012041. http://dx.doi.org/10.1088/1742-6596/1738/1/012041.

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46

Langhammer, Jan, and Martin Landrø. "Experimental study of viscosity effects on air‐gun signatures." GEOPHYSICS 58, no. 12 (December 1993): 1801–8. http://dx.doi.org/10.1190/1.1443395.

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Анотація:

In computer modeling of air guns the theory is often based on the assumption of an ideal freely oscillating spherical air bubble in an ideal fluid. Theoretical and experimental air‐gun signatures do not match perfectly. Synthetic signatures are under‐damped compared to real signatures. Several physical effects have been proposed as an explanation of this mismatch, among them viscosity effects. The viscosity of the surrounding liquid may contribute to the damping of the bubble oscillation. The numerical value of the viscosity of the surrounding liquid has to be increased considerably beyond the actual value of water to obtain sufficient damping of the synthetic signatures. We therefore performed an experiment to study the effect upon the pressure signature from an air gun when changing the viscosity of the surrounding medium. The motivation for the experiment was to quantify the influence of viscous terms on the output pressure waveform from an air gun. The experiment was carried out in an [Formula: see text] tank. The source was a BOLT 600 B air gun with a firing chamber of [Formula: see text] [Formula: see text]. The gun was placed at 0.5 m depth, and the hydrophone was placed 0.22 m from the gun ports. This configuration was kept constant during the experiment. We observed changes in the output pressure waveform generated by the gun at different liquid viscosities. Sets of five signatures recorded at 12 viscosity values in the range 6–723 centipoise, were analyzed. The effects on the pressure signature when increasing the viscosity of the liquid surrounding the gun are to decrease the primary to bubble ratio and the bubble period; thus, the opposite of what one should expect. We therefore conclude that viscosity is not the main physical effect that explains the damping of an air gun signature.

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47

Landrø, Martin, and Jan Langhammer. "Comparing the broadband acoustic frequency response of single, clustered, and arrays of marine air guns." GEOPHYSICS 85, no. 3 (May 1, 2020): P27—P36. http://dx.doi.org/10.1190/geo2019-0768.1.

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Field data acquired from a seismic vessel by a seabed hydrophone is used to analyze the broadband response (10 Hz to 62.5 kHz) for various source configurations: single air guns, clustered air guns, and a full array consisting of 30 air guns. The various parts of the acoustic signal are analyzed in detail, and it is found that a high-frequency signal arriving prior to the main peak of a single air-gun signal most likely is caused by small vapor cavities collapsing at or close to the surface of the gun. This is confirmed by high-speed photographs taken when a small air gun is fired in a water tank. When the full array is used, a second type of cavitation signal is observed: ghost cavitation caused by acoustic stimulation by the negative pressure that is backscattered from the free surface. As this ghost signal from 30 different guns arrives at a specific location in the water, cavities might be formed, and they create a high-frequency acoustic signal.

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48

HE, Chi. "NEW FORCE SYSTEM DESIGN USED TO PERFORMANCE TEST OF TANK GUN CONTROL SYSTEM." Chinese Journal of Mechanical Engineering 42, no. 05 (2006): 50. http://dx.doi.org/10.3901/jme.2006.05.050.

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49

Fish, S., and E. Redding. "Prime power and pulsed energy storage for EM gun equipped tank combat missions." IEEE Transactions on Magnetics 33, no. 1 (1997): 642–46. http://dx.doi.org/10.1109/20.560089.

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50

Turley, D. M., G. Gumming, A. Gunner, and I. McDermott. "A metallurgical study of erosive wear in a 105 mm tank gun barrel." Wear 176, no. 1 (July 1994): 9–17. http://dx.doi.org/10.1016/0043-1648(94)90191-0.

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