The relation between mass flow deviation and setting Angle, flow pattern, liquid apparent mass flow rate is analyze based on the theory of two-phase flow.
依据两相流理论，分析了分液器安装角度、流型、液相表观质量流率与流量偏差之间的关系。
A "theory of micro element" and equivalent seepage flow was raised to solve the various mass flow of single phase in the horizontal wellbore.
对于水平井井筒的稳定单相流动，提出了水平井井筒管流的“微元段”观点，从而简单实用地解决了井筒内的变质量流问题；
Based on the theory of gas percolation, law of mass conservation and hydrodynamics, basic mathematical equation of gas flow model was established.
依据瓦斯渗流理论、质量守恒定律和流体力学，建立了瓦斯流动数学模型的基本方程。
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