阐述了凸轮式跌落冲击台的结构原理、力学性质、冲击参数与其调整方法。
The Construction principle, mechanical properties, basic shock parameters and adjustment methods of cam-type drop -test shock machine are described.
阐述了凸轮式多次跌落冲击台的结构原理、力学性质、冲击参数及其调整方法。
The construction principle, mechanical properties, basic impact parameters and adjustment methods of cam-type drop impact test table are described.
阐述了凸轮式多次跌落冲击台的结构原理、力学性质、冲击参数及其调整方法。
The construction principle, mechanical properties, basic shock parameters and adjustment methods of cam-type drop-test shock machine are described.
根据爆炸地冲击试验的主要影响因素,运用量纲分析方法推导出爆炸地冲击参数的经验表达式。
On the basis of the main factors affecting the test of ground shock induced by explosion, the empirical formulae of ground shock parameters are deduced by means of dimensional analysis.
优化结果表明,该组冲击参数的平均相对误差为1.3%,各单项误差也均满足小于5%的指标要求。
The optimized results showed that the average relative error of this combination is 1.3%, and the individual error is also able to meet the requirements of less than 5%.
应用人工神经网络理论,合理选择激光冲击参数,对球墨铸铁QT450-10进行了激光冲击试验,并用扫描电镜和数显硬度仪等进行了分析。
Selecting laser shocking parameters with the application of artificial neural networks theory, the high power density, neodymium -glass laser is used to laser shock process ductile iron QT450 - 10.
此试件应使用与原始试验相同的焊接参数进行焊接,并且仅对焊接金属冲击试样进行试验。
This test piece shall be welded using the identical welding parameters as the original test and only weld metal impact test specimens shall be tested.
分析了国内外液压冲击机械工作参数调节原理,并指出其主要缺陷。
This paper analyses the working parameter adjustment principles of abroad and at home hydraulic impact machine, and shows their defects.
在理想线性模型的基础上,研究了输入流量对液压凿岩机冲击机构工作参数的影响,得到了一组简明公式。
On the basis of theoretical linear model, the paper studies the influence of input flow on operating parameters of shock mechanism for hydraulic rock drill, and a series of brief formulae are derived.
针对系统受向上和向下冲击两种情况,以及系统不同的设计参数,采用商用软件MSC。
The dynamic system responses for upwards and downwards impacts with various structural parameters using the commercial software MSC.
运用经典的哈密顿正则方程,建立了冲击式压实机的参数化动力学模型。
The parameterized dynamic model of the impact compactor is made based on the classical Hamilton's canonical equations.
在模型中引入了表征材料抵抗侵蚀破坏能力的参数:冲击破坏侵蚀能和剪切破坏侵蚀能。
The parameters characterizing the capability of materials resistance to erosion, impact damage erosion energy and shear damage erosion energy were introduced in this model.
还介绍了用函数分解法帮助提取畸变波形中冲击性能参数的方法。
The function decomposition method to distill the impact performance parameters from the aberrant wave is also presented.
对于非线性包装系统,系统参数和无量纲跌落冲击速度是产品跌落破损的评价量。
In non linear packaging system, the system parameter and dimensionless dropping shock velocity are the evaluation quantities.
同时根据材料强度理论和动态强化规律推导出材料微观结构参数与冲击速度之间的关系。
Meanwhile, the relationship between the material microscopic structure parameter and the impact speed has been concluded according to the material strength theory and the dynamic strengthened rule.
针对振动冲击压实理论,确定了振动冲击式压实机的主要设计参数,并建立了数学模型。
According to the theory of vibrating and impacting pressing, the main parameters of this vibrating and impacting pressing model machine is decided.
计算结果与实验吻合较好,所获得的喷嘴内外部流场的流动状况以及冲击射流参数分布,可用于优化喷嘴内部结构设计。
It is useful in understanding nozzle internal and external flow field and impinging jet parameter distribution. It is also helpful for optimal design of nozzle internal structure.
分析了冲击载荷作用下粘性流体阻尼器的工作原理,推导了阻尼力公式的表达式,运用落锤冲击试验确定了其中的参数。
The work principle of the viscous fluid damper under shock load is analyzed and the damping expression is derived, the parameters of which are determined using shock tests.
冲击信号的准确测量研究有着非常重要的意义,而峰值就是冲击测量中最为重要的参数。
It is significant to measure the shock signal accurately, and peak value is the most important parameter in shock test.
只要输入有关冲击、材料和产品特征参数,便可方便地显示缓冲包装的冲击响应。
It is convenient to show the shock response of cushioning packaging systems when inputting the relative shock, material and product parameters.
通过对冲击韧性的测试结果与微观组织的分析,确定出使焊缝冲击韧性最佳的焊接工艺参数。
Meanwhile the optimal welding parameter which was suitable for welding line impact toughness was gained by analysis on the test result of impact toughness and microstructure.
对冲击波参数的测量开发了两种光纤探针,以满足强电磁环境和冲击压力较低的情况。
Two types of fiber-optic pin have been developed for measuring shock wave physics characters in strong electromagnetic environment and low shock pressure experiments.
文中给出实用计算法,以便根据冲击回路参数估算操作波的波头、波尾和电压效率。
A practical calculation method is given. With the parameters of the impulse circuit the wave front and tail and the voltage efficiency can be calculated.
提出了两种提高冲击速度的方法,建立了颗粒运动的力学方程,计算和分析了影响冲击速度的参数。
Two methods to improve the impact velocity are proposed. The dynamic equation of particle motion is established. The influence parameters to the impact velocity are calculated and analyzed.
空泡射流的产生及射流冲击力的大小,由泡能和无量纲参数共同决定。
The generation and the impact force of cavitation liquid-jet depend on the bubble energy and non-dimension parameters.
以冲击加速度为主要数据,分析了改变内壳板厚、外壳板厚、肋骨尺寸、肋骨间距等结构参数对冲击响应的影响。
Analysis regarded impact acceleration as key data to change structural parameters, such as thickness of external and internal shells, dimensions of rib, and rib intervals.
泥石流泥痕深度是一个通过勘测调查获取的重要参数,它直接关系到泥石流运动流速、冲击力等特征参数的定量计算。
As an important parameter usually decided by field survey, mud depth of debris flow is directly related to quantitative calculation of velocity and impact forces.
根据汽车炸弹恐怖爆炸的特点,计算了汽车炸弹近地爆炸空气冲击波参数,提出了防爆墙结构等效静载的弹塑性动力计算方法。
According to the characteristic explosion of the vehicle bombs, the parameters of air shock wave in the vehicle bombs explosion near the surface are calculated in this paper.
根据汽车炸弹恐怖爆炸的特点,计算了汽车炸弹近地爆炸空气冲击波参数,提出了防爆墙结构等效静载的弹塑性动力计算方法。
According to the characteristic explosion of the vehicle bombs, the parameters of air shock wave in the vehicle bombs explosion near the surface are calculated in this paper.
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