曳力

The thesis makes a wellbore pressure and temperature distribution allegiance calculation forecasting model which takes the seawater temperature field and coefficient of heat transmission into account based on the study of the related theories. And the thesis makes a research of the impact of Reynolds Number upon drag coefficient based on the classical Tunner Droplet Model, and makes the critical flow rate model of liquid lift for Ya 13-1 gas field from the perspective of security.

通过理论研究，建立了考虑海水温度场及传热系数的适用于崖13-1气田的井筒压力、温度分布耦合计算预测模型；从气井积液机理研究出发，建立了高低气液比携液临界流量的计算模型，在高气液比携液临界模型的推导中，以经典的Tunner液滴模型为基础，研究了雷诺数对曳力系数的影响，从安全考虑建立了适用于崖13-1气田的携液临界模型。

The effect of buoyancy is considered in the momentum equation of the CO transport model. The 3-D dust concentration field in the diversion tunnel with 50m long is simulated using the 3-D quasi-single phase models and a 3-D two phase flow model.

在粉尘扩散模型的动量源项中考虑了相间曳力、升力和虚拟质量力的作用，在CO运移模型的动量方程中考虑了浮力的影响。

Drag coefficient is of crucial importance for the simulation of heterogeneous gas-solid two-phase flow with the two-fluid model.

曳力系数是双流体模型模拟气固两相流动的关键参数。

In order to explore the influence of the interactions between particles and between gas and particles on the formation of heterogeneous flow structure, a computational study was carried out by using a two-fluid model based on the particle kinetic theory.

应用双流体模型 CFD模拟的方法，从恢复系数和曳力两方面，研究了气固密相流化床中颗粒之间和气固相之间的相互作用对床内非均匀流动结构形成与变化的影响。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。