For the inside part, steady state model will be used through the Energy Balance Theory, considering the changes of fluid temperature along the way and the thermal influence between the two pipes.
对于钻孔内部，考虑到流体温度的沿程变化以及两管之间的热干扰，利用能量平衡原理建立了稳态分析解模型。
The density profile of hard sphere fluid confined in two parallel hard walls was studied by using Rosenfeld density Functional Theory (DFT) and Molecular Dynamics (MD) simulation method.
利用密度泛函理论和分子动力学方法，对处于两平行硬墙之间的硬球流体的密度分布进行了计算。
Articular cartilage, which is composed with a solid phase of collagen fibers and proteoglycan and a pore fluid phase, can be depicted with two-phase porous medium model based on mixture theory.
关节软骨为一由骨胶原和蛋白聚糖固体相和孔隙流体相组成的多孔材料，其可以用基于混合物理论的两相多孔介质模型准确描述。
From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.
本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式，在此基础上建立了二通插装阀阀芯关闭运动方程。
The permeation characteristics of immiscible grout in saturated media is analysed based on the two-phase fluid flow theory.
应用两相渗流原理分析了非水溶性浆液在饱和岩土介质中的渗流特点。
The edge-layer theory is applied to study the refection and transmission of the weakly nonlinear internal wave over a step in a two-layer fluid system.
本研究将“边缘层模型”应用于两层流体系统中弱非线性内波在台阶地形上的反射和透射问题的研究。
Numerical analyses of effect of particle rotation on gas and particles flow behavior were performed using two-fluid flow model combining with the kinetic theory of granular flow.
本文运用基于颗粒动理学理论的欧拉-欧拉气固多相流模型，考虑颗粒自旋转流动对颗粒碰撞能量交换和耗散的影响，数值模拟流化床内气体颗粒两相流动特性。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
Based on the theory of annular gas-liquid two-phase flow, a model to calculate gas-cutting fluid flow in wellbore is established, and meanwhile a numerical solution to the model is given.
以环空气液两相流动为理论基础，建立了井筒气侵流动计算模型，同时给出了计算模型的数值求解方法。
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