momentum conservation equation meaning in Chinese
动量守恒方程
Examples
- In the studying of the dielectric recovery mechanism , the dielectric process of high - power repetitive gas switches was analyzed theoretically , the conditions of full recovery of dielectric capability , and some qualitative results were obtained . then , a dynamic mathematical model of the dielectric recovery process was made , and a group of equations , including mass conservation equation , momentum conservation equation , energy conservation equation and state equation , were built . also , a mathematical model of the dielectric recovery process of a axially - blown gas spark gap , and a group of simplified hydromechanical equations were made
在绝缘恢复机理研究中,首先对高功率重复气体火花开关绝缘恢复过程进行了理论分析,提出了开关绝缘强度完全恢复的判据,得到了一些定性结论;然后建立了一般吹气式气体火花开关绝缘恢复的动态数学模型,得到了包括质量守恒方程、动量守恒方程、能量守恒方程和状态方程等的一个完备方程组;建立了纵吹式气体开关绝缘恢复过程的数学模型,得到了一个简化流体力学方程组。 - ( 2 ) on the basis of continuity equation , momentum conservation equation , energy conservation equation , and substantial equation , coupled thm governing equations are derivated with giving up the assumption of local thermal equilibrium , adopting thermal elasto - plastic constitutive relation , taking the effect of temperature gradient on groundwater seepage ( analogous to soret diffusion ) and the effect of viscous dissipation of groundwater on temperature field of rock mass into account
( 2 )根据连续性方程、线动量平衡方程和能量守恒方程以及相应的物性方程推导了饱和岩体温度场-渗流场-变形场三场耦合作用控制方程组。在推导控制方程组时舍弃了“局部热平衡”假设,采用了热弹塑性本构关系,考虑了温度梯度对地下水渗流的影响(类soret效应)以及地下水的粘性耗散对岩体温度场的影响。 - Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system , by coupling mass and momentum conservation equations of two - fluid model . the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model . the phenomena of catastrophic inversion and transitional inversion are explained . the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model . according to the theory herein , emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process . the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers
文摘:以双流体模型为基础,通过质量守恒方程和动量守恒方程的耦合,提出了液-液两相系中弥散传质的连续波模型.由该模型得到弥散传质过程阻塞和弥散传质过程弱不稳定性产生的条件,计算了液滴尺寸及其分布对乳化液极大堆砌分数的影响,解释了剧变型乳化逆变和渐变型乳化逆变现象.研究结果表明,乳化逆变是由于弥散传质过程的不稳定性而引起的悬浮体型态的改变,随液滴尺寸多分散性的增大,极大堆砌分数增大;随液滴平均尺寸的增大,多分散性对极大堆砌分数的影响减弱;当韦伯数足够大时,液滴尺寸及其分布对乳化液极大堆砌分数无影响