Influence of Different Numbers of Rounds under Continuous Firing on Gun Barrel Life

被引：0
|
作者：
Xu Y. [1 ]
Wang J. [1 ]
Liu P. [1 ]
Zhu W. [1 ]
Yang D. [1 ]
机构：
[1] Northwest Institute of Mechanical & Electrical Engineering, Shaanxi, Xianyang
来源：
Binggong Xuebao/Acta Armamentarii | 2023年 / 44卷 / 04期
关键词：
barrel life; bore temperature; equivalent conversion factor; gun; number of rounds under continuous firing;
D O I：
10.12382/bgxb.2021.0852
中图分类号：
学科分类号：
摘要：
The artillery is used with different charges of different types of ammunition (strong charge, full charge, reduced charge, high temperature charge, etc.), and have to undergo rapid continuous firing and performance test firing. It is necessary to study the impact of different charges of different types of ammunition and the number of rounds under rapid continuous firing on the barrel life. At present, for the assessment of barrel life, the method used is mainly to convert the number of projectiles of different types of ammunition into that of standard ammunition or standard ammunition with a specified ratio through the equivalent conversion factor in the national military standard. The existing national military standard equivalent conversion method for barrel life only includes two factors, chamber pressure and muzzle velocity, and does not consider the impact of rate of fire and number of rounds on barrel life, which makes it impossible to effectively evaluate barrel life under different numbers of rounds under continuous firing. The thermochemical ablation model of barrel material is established based on the Arrhenius equation. The influence of different numbers of rounds under continuous firing on the barrel life is studied. The larger the number of rounds under continuous firing, the shorter the barrel life. The accuracy of the thermochemical ablation model is verified by comparing the simulation and test results. © 2023 China Ordnance Society. All rights reserved.
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页码：1034 / 1040
页数：6
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