Abstract: To master the distribution laws of gas flow fields is the premise of designing reasonable project for goaf gas extraction.
摘要掌握采空区瓦斯分布规律，是制定合理的抽采采空区瓦斯技术方案的前提。
The gas flow fields were simulated by a Reynold's stress Transport Model(RSTM) and the stochastic tracking approach was used for simulating the trajectories of particles in a turbulent current.
在数值预测时，气相场采用雷诺应力输运模型，应用随机轨道模型来模拟湍流流场中颗粒的运动轨迹。
Gas-solid two-phase jet flow is widely used in many fields.
气固两相射流有着广泛的应用领域。
On-line measurement of multiphase flow of the oil, gas and water mixture is significantly valuable to the exploitation of oil fields, especially located on the sea or far from the city.
油、气、水多相流的在线计量在油田开采，尤其是边际油田和海上油田具有特别重要的经济价值。
The calculated temperature, and flow fields as well as the composition of the raw gas at exit agree quite well with those observed in actual engineering cases.
得到了气化炉内的温度场、流场、浓度场以及出口粗煤气成分，其结果与工程实际相比非常接近；
Flow assurance began with the development of foreign deepwater oil and gas fields. It plays an important role in their economical development.
流动保障始于国外深海油气田的开发，它在海上油气田的经济开发中发挥着重大作用。
A problem on nonlinear flow in low-permeability porous media is a basic one in exploiting low-permeability oil and gas fields.
低渗透非线性渗流是开发低渗透油气田所需解决的重要基础问题，也是现代渗流力学的前沿研究方向之一。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
并通过吸收传质流体CFD模型，应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算，得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
Unsteady flow and concentration fields in the liquid phase of a gas-liquid contacting system were simulated to show the natural convection by utilizing the finite-element CFD method.
并通过吸收传质流体CFD模型，应用有限元方法对气液吸收过程中出现的自然对流发生过程进行了数值计算，得到了液相自然对流发生时的非稳态流场分布和浓度分布信息。
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