2) sudden expand channel
突扩管道
1.
Using a semi implicit method for pressure linked equations(SIMPLE), the numerical computations for the turbulent flow in sudden expand channel are made.
考虑幂律流体的本构关系 ,结合流动指数的影响 ,建立了适用于幂律流体的N S动量方程和湍流模型方程 ;采用SIMPLE算法 ,对不同流动指数的幂律流体突扩管道湍流流动进行了数值计算 ,计算结果和实验数据吻合较好 。
3) Sudden-expansion connection
突扩连通
4) passage of water bursting
突水通道
1.
In order to verify the passage of water bursting, used the harness scheme of " Put probe before stemming, combine with probe and stemming, and primary as stemming" , and verified the main passage of water bursting as that: " drill hole thro.
为探明突水通道,采用“先探后堵,探堵结合,堵源为主”的治理方案,查明了该次突水的主要通道是:“通过煤层而未径任何材料封闭的钻孔犤1犦。
5) Channel-conflict
通道冲突
6) groundwater inrush pathway
突水通道
1.
The initiation of fractures,propagation of fractures and formation of groundwater inrush pathway in coal seam floor were numerically obtained.
应用有限元数值计算方法,模拟研究了含隐伏陷落柱煤层底板在采动应力扰动和高承压水共同作用下陷落柱活化、裂隙萌生、裂隙扩张、突水通道贯通形成的全过程,通过对损伤场、变形场、应力场和渗流场的解读,对突水通道进行时空基准标定,并就陷落柱发育高度、承压水水压力大小对突水滞后时间的影响进行了分析探讨,从岩体在长期的环境影响、载荷作用下损伤演化、物理力学性能退化的角度,揭示了煤层底板下隐伏陷落柱的滞后突水机理。
2.
Based on the knowledge of faults configuration,the complexity of physico-mechanical parameters of faults,and the mechanism of groundwater inrush induced by faults,numerical tests with FEM are conducted to investigate the initiation of fractures,activation of faults and formation of groundwater inrush pathway with mechanical model for rock mass with faults in coal mining above confined aquifer.
基于对断层形态、产状要素、力学性质复杂性及断层诱发突水机制的认识,针对承压水上采煤的含断层岩体水力学模型,通过有限元数值仿真再现了含断层煤层开采底板采动裂隙形成、断层活化到突水通道形成的全过程。
补充资料：突头突脑
1.犹没头没脑。突然地;出人意料地。
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