2) large caliber gun
大口径火炮
1.
In regard to large caliber gun,rotating band impact problem is hard to avoid in the course of projectile loading.
对于大口径火炮而言,在弹丸装填过程中弹带难免受到磕碰,严重的磕碰会使弹带的闭气性能下降,影响火炮的射击密集度。
2.
Solving emergent problems of large caliber gun maintenance support are to comprehensively consider mixing and inference technology such as state mechanics characteristics,working state monitoring parameters and conventional expert experience.
综合考虑状态力学特性、工况监测参数、传统专家经验的融合和推理技术,是解决大口径火炮维修保障任务的紧迫问题。
3.
Temperature field of large caliber gun barrel was analyzed using FEA method and the analytical results of naturally cooled monobloc barrels and actively cooled composite barrels were compared with each other.
利用有限元软件分析了某大口径火炮身管的温度场分布 ,并对自然散热条件下的单筒身管和主动冷却条件下的复合身管温度场进行了比较 ,其结果为 (1)身管温度场分布存在初始和正规工况阶段 ,后者的单筒身管热状态可以通过测定任意两发身管外表面温度来评估 ;(2 )持续射击过程中 ,单筒身管始终处于非稳态导热过程 ,主动冷却身管则包括非稳态和准稳态两个过程 ,实现了身管热状态由不可控向可控转变 ;(3)对流传热系数h和身管壁厚δ的组合对降低内膛温度具有很大影响。
5) Large caliber twin-tube guns
中大口径双管火炮
6) small caliber gun
小口径火炮
1.
According to the problems of blocked chips and hole qualities in the drilling of small caliber gun barrel,a installation of low-frequency vibration drilling is designed.
针对小口径火炮身管钻削加工时存在的切屑堵塞和内膛质量问题,设计了一套低频振动装置。
2.
Based on the character of position of small caliber guns on board and the guns’ effectiveness against anti-ship missile, a kind of optimum distribution of small caliber guns against anti-ship missiles and the algorithm to calculate its effectiveness were conducted.
根据舰载小口径火炮的分布特点和其对反舰导弹的有效性,分析设计了一种舰载小口径火炮的最优分配方案,并给出了该方案拦截效率的计算方法。
补充资料：法国陆军“凯撒”地面火炮系统
Image:11590712852212413.jpg
法国陆军“凯撒”地面火炮系统
“凯撒”火炮系统采用安装在一体化卡车底盘上的52倍口径155毫米火炮，这种创新的设计概念能够为火炮提供高水平的作战性能，使其射速更高，射程更远和精度更高。该炮可以在2分钟内将6发炮弹发射到42千米的地方，并撤出发射阵地，从而躲避敌方的反炮兵火力。由于重量减轻和尺寸减小，“凯撒”火炮可以由c-130运输机空运，并具有较高的公路和越野机动性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。