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1)  variable mass flow
变质量流动
1.
Pressure drop of variable mass flow in perforation completion of horizontal wellbore;
水平井筒射孔完井变质量流动压降规律
2.
Study on momentum transfer characterisitics of variable mass flow in collection header of utility boiler;
电站锅炉汇集集箱内流体变质量流动动量交换特性研究
3.
Study on characteristics of horizontal well inflow performance considering variable mass flow in solution gas drive reservoirs
考虑井筒变质量流动的溶解气驱油藏水平井流入动态特性研究
2)  variable mass flow
变质量流
1.
Investigation of variable mass flow in horizontal well with perforation completion coupling reservoir;
井筒与油藏耦合条件下水平井变质量流动规律研究
2.
The effect of variable mass flow is cons.
优化模型考虑了水平井筒内变质量流的影响,可为现场水平井的优化设计提供理论基础。
3.
For a single phase steady system,considering the pressure drop created by friction and the character of the variable mass flow in the wellbore,a variable mass model with pressure gradient is developed by coupling the percolation in reservoir with the flow in the wellbore.
对水平井单相稳流系统,综合考虑摩擦损失造成的水平井筒压降和变质量流特点,联立水平井的油藏渗流和水平井筒中的流动,建立了水平井筒存在压力梯度的变质量耦合模型,对模型微分方程进行数值求解。
3)  mass fluxion
质量流动
1.
During the application of Physics, there are a lot of problem about mass varied, and there are mainly varied mass in relative theory and mass fluxion in classic something about dynamic equation and its practical application.
物理应用过程中,经常碰到质量变化问题,主要有相对论中变质量问题和经典物理中质量流动问题。
4)  flow-fluctuation
流量变动
5)  variable mass flow pattern
变质量流型
6)  changing-quality-turbulence
变质量湍流
1.
According to the mutual relation between fluid flow in well bore of horizontal well and reservoir,a new method of the coincidence-computation for changing-quality-turbulence and stratum filtering flow in a horizontal well with pressure gradient was developed.
根据水平井生产时井筒内管流与油藏的相互作用关系 ,建立了水平井筒存在压力梯度的变质量湍流与地层渗流的耦合计算新方法。
补充资料:变质量体运动
变质量体运动
variable-mass body,motion of a

   运动过程中自身质量发生明显变化的物体的运动。若变质量体的转动速度和加速度同平动的速度和加速度相比可以忽略不计,则此变质量体就可视为一个变质量质点。在工程技术中有许多变质量体的例子:火箭不断喷出燃气使火箭质量发生变化;喷气飞机不断吸入空气使质量增加,又不断喷出燃气使质量减少。
    密歇尔斯基方程 变质量质点的运动微分方程,由俄罗斯学者I.V.密歇尔斯基提出而得名。其表达式为
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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