至今,还未见液相粘度对塔板各项流体力学性能影响的系统研究报道。
Up to date, there isn't systematically report on effect of liquid viscosity on the tray hydraulic performance.
研究了气速、液速、液相粘度和表面张力对三相流化床平均压降的影响。
The effects of liquid and gas velocity, liquid viscosity and surface tension on average pressure drop in three phase Fluidized beds were determined.
以CMC溶液模拟实际操作中的液相介质研究液相粘度对上述参数的影响;
To the same purpose, CMC solution is used to simulate the real liquid medium.
利用本文实验数据拟合了甲基叔丁醚饱和液相粘度方程,方程和实验数据的平均和最大相对偏差分别为0.49%和1.21%,可以满足工程实际应用.。
The experimental data of this work were correlated as a polynomial function of the temperature. The average and maximum relative deviation were 0.49% and 1.21%, respectively.
实验发现,在液相粘度较高、表面张力大,熔体材料不浸润固相颗粒和基板等因素的影响下,烧结过程中出现了球化现象。球化的出现妨碍了直接金属激光烧结成形的顺利进行。
During the laser sintering, due to the large liquid phase viscosity and surface tension, the balling effect occurred when the molten did not wet the solid metal particle and the underlying substrate.
文中进行了液相介质中石英晶体粘度传感器及其频率特性的研究。
In this article, we research quartz crystal viscosity sensor and its frequency characteristic in liquid medium.
通过对乳化液在不同油相浓度时的有效粘度的测量,获得乳化液当量粘度系数的计算公式。
The computing formula of equivalent viscosity coefficients of emulsions was obtained, by measuring the effective viscosity of emulsion with various oil fractions.
管路压降随着流量、颗粒密度、颗粒初始加入量及液相介质密度和粘度增大而增大。
The pressure drop of pipe increases with increasing of flux, liquid density, liquid viscosity, particle density and particle volume density.
凝胶结构提高了粘结液相的粘度和表面张力,毛细力增大,生球抗压强度提高。
The viscosity and surface tension was improved by gel structure of bentonite colloid, so the capillary force is increased and therefore the wet compression strength is improved.
轴向液相返混系数随磁场强度和液体粘度的增大而减小,随空塔液速和颗粒尺寸的增大而增大。
Axial liquid backmixing coefficients weakened at higher magnetic intensity and liquid viscosity, but enhanced at higher superficial liquid velocity and larger particle size.
实验数据表明:该计测模型可以适用于多相流中不同粘度的液相流量计量;可适用于较宽的气、液相流量变化范围,模型计测误差稳定在可接受的水平。
The results show that errors of the model are reasonable acceptable despite the variations of viscosity of liquid, and in a wide gas and liquid flow rate range.
由于有机盐无固相水溶液密度可调范围大、溶液粘度低、抑制性强等特点,得以作为油气井工作液的基液在钻井、完井、试油等作业中推广应用。
The solid-free organic salt solution is applied to based-phase for work fluids because of their adjustable density, low viscosity, and strong inhibition and so on.
结果表明:乳状液的粘度是分散相体积分数和粒径的函数并获得了相应的关联式;
The results showed that the viscosity of the emulsion is a function of volume fraction of dispersing phase and drop size;
本文采用基于对应态原理的统一粘度模型对天然气气相和液相的粘度进行了预测。
The unified viscosity model based on corresponding states principle was used to predict viscosity of natural gas both in gas and liquid phase in the paper.
分别研究了不同注入压力和注入气量下,细管中注气混相驱前缘和过渡带中气液两相的界面张力、组成、密度、粘度及饱和度的变化情况。
Study on interfacial tension, composition, density, viscosity and saturation of gas pha - se and liquid phase front in the slim tube under various injection pressures and injection rate.
根据川西南威远气田大水量气井现场测试数据,建立了举升油管和油套环空气液两相流压降优化模型。将油管内的持液率模化为气相、液相无因次速度和液相无因次粘度的函数;
An optimal model is proposed for predicting the pressure drop of two-phase flow in gas well tubing and annulus, based on the measured data from the gas field of southwest Sichuan, China.
根据川西南威远气田大水量气井现场测试数据,建立了举升油管和油套环空气液两相流压降优化模型。将油管内的持液率模化为气相、液相无因次速度和液相无因次粘度的函数;
An optimal model is proposed for predicting the pressure drop of two-phase flow in gas well tubing and annulus, based on the measured data from the gas field of southwest Sichuan, China.
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