两相流斯特拉赫数随含气率的增加而减小。
Strouhal number in two-phase flow reduces with the increase of the void friction.
用金属探针法测量塔板上气液两相流中某些点的含气率。
A method of using metal probe for measuring the void fraction at any point in gas-liquid two-phase flow on Sieve tray is described.
含气率以及过渡段长度分布的计算值与试验值符合较好。
The calculated results of void fraction and transition segment length agree well with the experimental data.
靠近泵出口的两个叶道内，有气相的积聚，含气率较高。
The two channels near the outlet of the pump have obvious gas accumulation with higher gas voids.
氩气的分布不均匀，上回流区钢液的含气率大大高于下回流区。
Argon bubbles distribute unevenly and the gas holdup of liquid steel in the upper region is far higher than that of the lower region.
探讨了浮选过程中浮选药剂浓度、矿浆浓度变化对含气率的影响。
The influence of flotation reagent and pulp concentration on air voids was discussed.
在环状流下，A流路的贯通作用使折流板前后对应区域的含气率基本一致；
In annular flow the penetrating effect of stream A makes the void fraction same besides a baffle.
对垂直同心环形管内上升气液环状流的截面含气率及压降预测进行了研究。
In this paper, the prediction of void fraction and pressure drop for upward gas-liquid annular flow in a vertical annulus is studied.
对垂直同心环形管内上升气液环状流的截面含气率及压降预测进行了研究 。
Research on the circumferential distribution of wall temperature for horizontal evaporating tubes under annular flow;
结果表明，气泡频率和含气率在喷头附近分布很高，在其它部位分布是均匀的。
The results show that bubble frequency and gas holdup distributed highly surrounding the blade and uniformly in rest of the bath.
脉动升力系数先随含气率的增大而缓慢增加，在含气率增大到0.1后增大得较快。
The oscillating lift coefficient increases with the growth of the void fraction in such a way that it increases slowly before the void fraction up to 0.1 and after that, increases faster.
通过流动可视化实验，得到了安注流速，下降环腔流速以及含气率对环腔内流动形态的影响。
In flow visualization experiment, it is found that flow rate of safety injection has major effect on flow regime in downcomer.
采用水平—下降管组合法测量了垂直下降管内油气两相流动在泡状和弹状流下截面含气率的值。
The void fraction in downward gas oil two phase flow in vertical tube is measured with the combined method of horizontal downward vertical tube for the two flow regimes(bubbly and slug flow).
研究结果表明，管径、含气率以及流体粘度对管泵系统的流量影响不大，而对压力降则有显著影响。
The results have shown that diameter, gas fraction and fluid viscosity have slight impact on flow rate of this boosting system, but have remarkable influence on pressure drop of this system.
结果表明：该油气混输泵输送介质含气率较高，达到预期设计的效果，为进一步设计提供了参考依据。
This pump had higher rate of containing gas; achieved effect of anticipate design, offered reference gist for further design.
举例分析在环空和钻柱内的稳定流动过程中，随井深增加，压力、含气率、多相流体密度等的变化规律；
The steady-state flows in drill pipe and in annulus are analyzed and the variations of pressure, gas void fraction, and multiphase-flow density along the well depth are simulated.
为了推断中子慢化剂液氢中气化氢气泡的上升速度及影响因素，选取合适的工质进行了含气率的模拟实验。
To predict the rising velocity of hydrogen gas and the influencing factors, a suitable working fluid was determined for experimental simulation on the vold fraction of hydrogen in a neutron moderator.
以空气和水为介质，以三角柱为旋涡发生体，在内径为50mm的水平管和垂直上升管中分别进行实验，分析雷诺数和体积含气率对气液两相流涡街稳定性的影响。
Experiments were performed in horizontal and vertical conduits with diameter of 50 mm respectively, adopting air and water as flow media and a triangular prism as the vortex-forming body.
影响煤层气产量的主要因素是煤层渗透率、煤层厚度及含气量。
The main factors of influencing coal-bed gas production are permeability, thickness, and gas-bearing volume of the coal-bed.
在每一区内，气含率都随液体流率的增加而增加。
In every region, the gas hold-up increases with the liquid rate.
比较了两种反应器内的气含率分布和流型，并将计算结果与文献中的实验数据和计算结果对比。
Gas volume fraction distribution and flow pattern in the two reactors are compared with the experimental and computational results in the literature.
在此基础上考察了空气流量、固含率、曝气装置对该反应器氧传递特性的影响。
Based on which, the effect of air flow, solid content and aerator on oxygen transfer characteristics is studied.
浮选柱气含率的大小是影响浮选柱精矿回收能力和实际分选效果的重要参数之一。
The gas content in the column flotation is one of the key parameters to determine the recovery capacity and separation efficiency of flotation column.
用三种不同直径的浆态鼓泡塔研究气速、塔径、固相浓度、静止床层高度和气体分布器等对气含率的影响。
The variation of gas holdup with gas velocity, column diameter, solid concentration, static bed height and gas distributor was studied in slurry bubble columns with three different diameters.
在实际运行中，通过所建模型对反应器中的气含率和液体运动速率进行有效调控，可实现反应器的高效稳定运行。
During the operation, the gas holdup and liquid movement velocity could be regulated and controlled using the models to keep the reactor in high-efficiency and steady state.
结果显示，不同表观气速下，两种反应器内的气含率分布和流型存在较大差异。
The results show that gas volume fraction distribution and flow pattern are different significantly in the two reactors.
影响煤层气可采性的主要地质因素有：煤层的渗透性、储层压力、含气饱和度、解吸率等。
Main geologic factors that influence recoverability of coal-seam gas include coal-bed permeability, reservoir pressure, gas saturation and desorption rate.
影响煤层气可采性的主要地质因素有：煤层的渗透性、储层压力、含气饱和度、解吸率等。
Main geologic factors that influence recoverability of coal-seam gas include coal-bed permeability, reservoir pressure, gas saturation and desorption rate.
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