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Calculation for pressure gradients of two-phase flow for steam injection in thermal production wells;

热采井注蒸汽过程两相流压力梯度计算方法

A convenient model of pressure gradient calculation of gas-liquid slug flow in vertical wellbore;

垂直井筒气液段塞流压力梯度的简便算法

Predicting pressure gradient of fluid in oil tubing on the condition of continuous gas-lift;

连续气举条件下举液管柱内流体的压力梯度预测

The influence of main flow nonparallel and pressure gradients is considered to show the physical characteristics of flat boundary flow.

为更好反映平板边界层流动的物理特征和本质,该文同时考虑到主流的非平行性和压力梯度的作用。

By using the method of direct numerical simulation, the coherent structures in the wall region of a turbulent boundary layer with either steady or changing pressure gradients were studied.

采用共振三波的一个周期作为湍流边界层近壁区相干结构的初值 ,用直接数值模拟方法对有压力梯度 ,包括定常压力梯度和变压力梯度作用下相干结构的演化进行了研究 ,得出其各种特性的变化与实验观测到的结果一致。

The air pressure gradients of measured points in the shelter are calculated by mathematicsimulation.

介绍了对防空洞的温度、湿度、风速、热舒适度等参量的实测结果并进行定性分析；确定出离洞口较远处的洞内温度随时间变化的规律及地面复盖层的导温系数；进行数学模拟，由欧拉公式确定压力梯度随位置变化的情况；对改善本地人防工程的热湿功能提出初步看法。

density-dependent pressure gradient

与密度相关的压力梯度

There is no pressure gradient through the thickness of the film.

贯穿流体膜厚度无压力梯度。

A Finite Element Pressure Gradient Stabilization for the Compressible Navier-Stokes Equations Based on Local Projections;

可压缩Navier-Stokes方程的压力梯度局部投影有限元法

Effect of starting pressure gradient on the production performance of fractured wells

启动压力梯度对压裂井生产动态影响研究

Many experiments justify that there is a threshold pressure gradient (TPG) in low permeability reservoirs.

试验表明 ,低渗透油藏存在启动压力梯度。

The Analysis of the Effect of Non-parallelism and Pressure Gradient on the Stability of Boundary Layer;

边界层稳定性的非平行性和压力梯度作用研究

Method of Pressure Gradient Estimatiom for Tire Burst Based on Test Data

基于试验数据的车轮爆胎后压力梯度估算方案

Study on Starting Pressure Gradient of Oil and Gas Two-phase Flow in Extra Low Permeability Reservoir

特低渗油藏油气两相启动压力梯度研究(英文)

Variation characteristics of pressure gradient for oil-gas-water three-phase flow in horizontal pipeline

水平管油-气-水三相流压力梯度变化特性

Experiments of discharge coefficient of film cooling holes under adverse pressure gradient

主流逆压力梯度下气膜孔流量系数的实验

The determination of drainage radius for reserviors with a start-up pressure gradient

存在启动压力梯度时储层动用半径的确定

Measurement of Starting Pressure Gradient and Affecting Factors in the Seepage Process of High-Wax Oil

高凝油渗流中启动压力梯度及其影响因素研究

THE PRODUCTIVITY CALCULATION FOR WELL PATTERN OF LOW PERMEABILITY RESERVOIR CONSIDERING THRESHOLD PRESSURE GRADIENT

低渗透油田考虑启动压力梯度计算井网产量

THE METHOD OF CHARACTERIZATION AND PHYSICAL SIMULATION OF TPG FOR ORDINARY HEAVY OIL

普通稠油启动压力梯度表征及物理模拟方法

Calculating the limit injector-producer distance in low permeability pool by with start-up pressure gradient

利用启动压力梯度计算低渗油藏极限注采井距

According to the variation of gradient pressure structure can be divided.

根据地层压力梯度的变化可以划分地层的压力结构。

Effects of Losartan on HVPG in rats with portal hypertension

氯沙坦对肝硬化门静脉高压症大鼠肝静脉压力梯度的影响

The numerical results show that material has large pressure gradient and velocity at the screw edge region and material.

计算结果表明,在螺棱处,在啮合区的物料具有较大的压力梯度和速度梯度;