1) coal impact cutting
冲击破煤
2) rock and coal burst failures
煤岩冲击破坏
3) impact failure
冲击破坏
1.
Simulation of impact failure of rock by numerical manifold method;
岩石冲击破坏的数值流形方法模拟(英文)
2.
Simulation of impact failure of jointed rock mass by numerical manifold method
节理岩体冲击破坏的数值流形方法模拟
3.
An inclined impact failure method was proposed,by which impact failure test of the polycrystalline layer in polycrystalline diamond compact(PDC) could be realized.
提出了一种倾斜冲击破坏实验方法,能够实现对聚晶金刚石复合片(PDC)聚晶层的冲击破坏试验。
4) impact crushing
冲击破碎
1.
In this paper,Movable Cellular Automata(MCA) is applied to the two dimensional numerical simulation on impact crushing of granular materials,from which their mesh diagram and temperature fields of materials crushing at different times are obtained.
通过移动元胞自动机法(MCA)对颗粒材料冲击破碎的二维数值模拟得到了不同时刻材料破碎的网格图和温度场,并与国外的相关数值模拟及光弹实验结果进行了比较,较好地反映出颗粒材料在冲击载荷作用下的破碎过程,解释了滑石块体、玻璃球在落锤冲击破碎实验中得到的部分实验现象。
2.
The piecewise linear contact force model of material layers during impact crushing is put forward, based on the quasi-static compression crushing experiments, in which the parameters of model are analyzed and a revert coefficient is introduced to express the relation between parameters.
针对冲击破碎过程,在初步准静压破碎实验的基础上,提出了物料层的分段线性接触力模型,并引入恢复系数来表示膨胀阶段和压缩阶段之间的参数关系。
3.
3D ANSYS/LS-DYNA software is applied to implementing the numerical stimulation of talc during the process of drop hammer impact,which represents the strain change and spallation phenomenon of brittle material during the process of impact crushing.
应用三维ANSYS/LS-DYNA软件实现滑石在落锤冲击过程的数值模拟,再现了单颗粒脆性材料在冲击破碎过程中应力变化及崩落现象,并与二维MCA数值模拟结果进行了对比。
5) explosion impact
爆破冲击
1.
Based on analyzing influencing factors,rock mass,time-dependent effect,exposure area and explosion impact were taken as main influencing factors for stope stability.
在对其影响因素影响分析的基础上,提出了岩体质量、岩体时效特性、采场暴露面积与爆破冲击为影响采场稳定性的主要因素,并应用岩石力学、损伤力学与数值模拟等方法,结合现场声波测试,从上述4个主控因素着手构建了其影响度函数与其影响权重,然后给出了采场稳定性综合评判方法与评判标准,并根据各影响因素的影响度,揭示了待采采场潜在的隐患与诱因,而后提出了相应的防范措施。
6) impact disrepair
冲击破损
1.
This paper studied the mathematical model of the impact disrepair for the wave-edge milling insert with three dimension grooves explored by Harbin University of Science and Technology and the traditional flat milling insert when cutting the 45# steel by experiment.
针对三维复杂槽型波形刃铣刀片和传统的平前刀面铣刀片,对45#钢的面铣加工进行了试验与理论分析,对铣削刀具进行了冲击破损数学模型的研究。
2.
Based on the experiments on milling the carbon structural 45 steel with the flat rake milling insert and the waved-edge milling insert with complex 3D grooves which is developed by HarBin University of Science and Technology, the paper have experiment study on the impact disrepair.
文中针对哈尔滨理工大学开发的三维复杂槽型波形刃铣刀片和平前刀面铣刀片,通过对碳素结构45钢的面铣加工进行了刀片冲击破损的实验研究。
补充资料:标准操作冲击电压波形(见冲击电压发生器)
标准操作冲击电压波形(见冲击电压发生器)
standard switching impulse voltage waveform
b .oozhun CooZuo ChongJld,onyo boxlng标准操作冲击电压波形(standard switchingimpulse voltage waveform)见冲击电压发生器。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条