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tight porous media
相关语句
  致密多孔介质
     The flow curve Q- Δ 2p/L within low pressure and Reynoids-curve within low Reynoids numbers shows deviating off the linear relationship of Darcian law while gas flow at low velocity in tight porous media, and present non-Darcy phenomena.
     气体在致密多孔介质中低速渗流时 ,其渗流规律在渗流曲线Q -Δ2 p/L的低压力段和雷诺相关曲线的低雷诺数段均表现出对达西定律线性关系的偏离 ,存在着非达西现象。
短句来源
  低渗多孔介质
     Phase state and recovery of different condensate gas reservoir in tight porous media
     不同类型凝析气藏在低渗多孔介质中的相态及采收率研究
短句来源
  “tight porous media”译为未确定词的双语例句
     Non-Darcy Phenomena of Gas Flow at Low Velocity in Tight Porous Media
     致密介质中低速渗流气体的非达西现象
短句来源
     GAS SLIPPAGE PHENOMENON AND CHANGE OF PERMEABILITY WHEN GAS FLOWES IN TIGHT POROUS MEDIA
     渗流气体滑脱现象与渗透率变化的关系
短句来源
     The experiment data about friction resistance coefficients f and Reynoid numbers Re are analyzed to study the law of gas flow at low velocity in tight porous media. As Re decreases, the porous flow of gas shows nonlinear phenomena deviation off Darcy's law linear phenomena, and corresponding Re c=(1.0~4.4)×10 -4. The collisions occurred between gas molecule and pore wall cause the nonlinear phenomena.
     在多孔介质中 ,通过对低速渗流气体的摩阻系数 f与雷诺数Re的实验关系分析得出 ,随着雷诺数减小 ,气体的渗流规律表现出由遵从达西线性关系连续转变为非线性关系 ,其转变所对应的雷诺数 Rec =(1.0 ~ 4.4)× 10 -4 。
短句来源
     The important physical phenomenon,gas shows difference from oil and water when gas flows at low velocity in tight porous media,is gas slippage phenomenon. The article points out that the collision function between gas molecules and pore walls is the mechanism caused the phenomenon.
     当气体在致密孔隙介质中低速渗流时 ,表现出有别于油、水等液体渗流的重要物理现象—滑脱现象 ,文章认为气体分子与孔隙壁的碰撞作用是滑脱现象发生的物理机理 ,它由孔隙介质的结构和气体分子随自由程的分布共同决定。
短句来源
  相似匹配句对
     Phase state and recovery of different condensate gas reservoir in tight porous media
     不同类型凝析气藏在低渗多孔介质中的相态及采收率研究
短句来源
     electrolyte must not be gas tight, and fully porous cells can be fabricated;
     电解质可以不是完全气密的,多孔材料也可以使用;
短句来源
     Non-Darcy Phenomena of Gas Flow at Low Velocity in Tight Porous Media
     致密介质中低速渗流气体的非达西现象
短句来源
     Porous Flow Characteristics of Fractured Horizontal Well in Mid Deep Tight Gas Reservoir
     中深致密气藏压裂水平井渗流特征
短句来源
     GAS SLIPPAGE PHENOMENON AND CHANGE OF PERMEABILITY WHEN GAS FLOWES IN TIGHT POROUS MEDIA
     渗流气体滑脱现象与渗透率变化的关系
短句来源
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The flow curve Q- Δ 2p/L within low pressure and Reynoids-curve within low Reynoids numbers shows deviating off the linear relationship of Darcian law while gas flow at low velocity in tight porous media, and present non-Darcy phenomena. The collinsion occurred between gas molecules and pore walls is the physical cause of the phenomena. It depends on the constructure of the porous media and average free-path of gas molecules. The relationship expression of Q -Δ 2 p/L is given....

The flow curve Q- Δ 2p/L within low pressure and Reynoids-curve within low Reynoids numbers shows deviating off the linear relationship of Darcian law while gas flow at low velocity in tight porous media, and present non-Darcy phenomena. The collinsion occurred between gas molecules and pore walls is the physical cause of the phenomena. It depends on the constructure of the porous media and average free-path of gas molecules. The relationship expression of Q -Δ 2 p/L is given.

气体在致密多孔介质中低速渗流时 ,其渗流规律在渗流曲线Q -Δ2 p/L的低压力段和雷诺相关曲线的低雷诺数段均表现出对达西定律线性关系的偏离 ,存在着非达西现象。气体分子与孔隙壁的碰撞是产生该现象的物理机制 ,它由多孔介质的孔隙结构和气体分子的平均自由程共同决定。通过理论计算 ,得到了气体在致密介质中低速渗流时Q与Δ2 p/L的关系式。

The collinsion occured between gas molecules and pore walls causes the gas slippage phenomenon when gas flowes at low velocity in tight porous media. The phenomenon depends on the constructure of the porous media and mean free path of gas molecules. It results in that gas permeability is larger than absolute permeability of porous media and causes deviating off Darcy's law in low pressure. The gas flow quantity is governed by weighted addition of viscous flow and slippage flow....

The collinsion occured between gas molecules and pore walls causes the gas slippage phenomenon when gas flowes at low velocity in tight porous media. The phenomenon depends on the constructure of the porous media and mean free path of gas molecules. It results in that gas permeability is larger than absolute permeability of porous media and causes deviating off Darcy's law in low pressure. The gas flow quantity is governed by weighted addition of viscous flow and slippage flow. The distribution according to free path of gas moleculars dominated the weighting factor. Using capillary tube model, the gas flow rate equation is obtained and the relative expression of gas permibility Kg and absolute permibility Ko of porous media is determined. The experiments of gas flow through sandstone cores at certain net confining pressure △pw are made. The experimental results show consistent with theory analysis.

气体在致密多孔介质中低速渗流时存在着因气体分子碰撞岩壁而引起的滑脱现象,它由介质的孔隙结构和气体分子的平均自由程共同决定.该现象使气测渗透率大于孔隙介质的绝对渗透率.介质中气体的低速渗流为黏滞流与滑脱流组成,各自所占比例与气体分子按自由程的分布有关.理论计算得到了低速气体渗流的气测渗透率Kg与绝对渗透率K0比值的关系式,实验结果与理论分析吻合

The experiment data about friction resistance coefficients f and Reynoid numbers Re are analyzed to study the law of gas flow at low velocity in tight porous media. As Re decreases, the porous flow of gas shows nonlinear phenomena deviation off Darcy's law linear phenomena, and corresponding Re c=(1.0~4.4)×10 -4. The collisions occurred between gas molecule and pore wall cause the nonlinear phenomena. The relationship of flow velocity V and pressure grade Δp/ΔL is given according to theory analysis....

The experiment data about friction resistance coefficients f and Reynoid numbers Re are analyzed to study the law of gas flow at low velocity in tight porous media. As Re decreases, the porous flow of gas shows nonlinear phenomena deviation off Darcy's law linear phenomena, and corresponding Re c=(1.0~4.4)×10 -4. The collisions occurred between gas molecule and pore wall cause the nonlinear phenomena. The relationship of flow velocity V and pressure grade Δp/ΔL is given according to theory analysis.

在多孔介质中 ,通过对低速渗流气体的摩阻系数 f与雷诺数Re的实验关系分析得出 ,随着雷诺数减小 ,气体的渗流规律表现出由遵从达西线性关系连续转变为非线性关系 ,其转变所对应的雷诺数 Rec =(1.0 ~ 4.4)× 10 -4 。由动力学分析可知 ,低速渗流气体出现的非线性现象是由气体分子与孔隙壁的作用引起 ,并给出了相应条件下渗流速度V与压力梯度Δp/ΔL的关系

 
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