Bubble Size and Velocity Distribution in Bubble Column Reactor 鼓泡床反应器中气泡尺寸和速率分布的实验研究
This condition of using ceramic microporous tube to produce microbubbles by high-speed cross-flow and the effect of Liquid properties on the initial bubble size distribution were studied. 研究了利用陶瓷微孔膜管在高速剪切流剪切作用下形成微气泡的条件,流体物性对气泡粒径分布的影响。
With the increase of gas flow rate, the influences of liquid viscosity on size of bubble increase, but the influences of liquid density and surface tension on the bubble size weaken gradually. 随着气体流量的增加,液体粘度对气泡尺寸的影响增强,而液体密度以及表面张力对气泡尺寸的影响减弱。
Thereby, measuring bubble size must be emphasized in study of reducing cavitation damage. 因此在掺气减蚀研究中,必须加强对气泡尺寸的检测。
Thus the gas flow rate, nozzle inner and outer diameter are important influential factors on bubble size. 气体流量和管口内外径都是影响气泡尺寸的重要因素;
The bubble size is the one significant quantity which determines the conditions in the bed. 气泡尺寸是决定床内情况的一个关键因数。
Bubble size must be between0and300. 气泡尺寸必需在0到300之间。
Analysis of ink removal rate and air bubble size distribution during flotation 浮选脱墨时油墨粒子除去和气泡大小分布的分析
Technology of form drainage gas in high salinity formation Numerical Simulation of Bubble Size Distribution of 3-dimensional Aluminum Foams in Liquid State 产高矿化度地层水气井泡沫排水采气技术三维液态铝合金泡沫体演化过程中泡径分布的研究
Numerical Simulation of Bubble Size Distribution of 3-dimensional Aluminum Foams in Liquid State 三维液态铝合金泡沫体演化过程中泡径分布的研究
The results show that the bubble size increases with increasing in gas flow rate, inner and outer nozzle diameter. 研究表明:气泡尺寸随着气体流量以及管口的内径和外径的增加而增大。
The behaviors of bubble including bubble form and formation, bubble rise velocity, bubble size control and so on are analysed. 对气泡的生成、形状、上升速度、尺寸及控制等方面不同的研究结果之间的差异和可能原因进行了分析。
Low ambient temperature smaller bubble size, larger capacity, it is not easy connectivity to form bubbles. 环境温度低时气泡体积变小,承载力较大,不容易形成连通气泡。
Bubble size and bubble rising velocity in a gas-liquid-solid two-dimensional fluidized bed were studied by a photographic method. The effects of operating conditions were analysed, and correlations of bubble diameter and bubble rising velocity were presented. 利用摄相法研究了二维气-液&固三相流化床中气泡的大小及上升速度,分析了操作条件的变化对气泡行为的影响,提出了气泡直径及气泡上升速度的经验关联式。
For the same water depth and same aperture, the gas flow was the major factor for effecting the bubble size and velocity. 对于相同的水深和相同的孔径,流量是影响气泡大小和速度的主要因素。
With it the bubble size distribution in a certain gas-liquid mixer was measured yielding correct results. 使用此系统测出了某气液混合装置中大小气泡的分布,并给出了正确的结果。
The bubble size distribution in this novel unit was studied by using a CCD imagination through a microscope. 采用显微摄像系统,对该装置中气泡粒径分布进行了探讨。
Liquid flow rate and bubble size have been determined by photographic method. 用照相法测定液体流速及气泡直径。
Based on experimental data, correlations for the jet dimensions and bubble size distribution have been obtained. 本研究用频闪摄影技术对气、液向上共同喷射时液体中的气-液射流特性进行了实验研究,并建立了气泡直径分布函教及射流特征尺寸的关联式。
The influences of the superficial gas velocity, solid holdup and flowing resistance on gas holdup, bubble size, bubble rise velocity and liquid velocity were systematically studied. 考察了表观气速、固含率和流动阻力对气含率、气泡大小、气泡上升速度和液速的影响。
Increasing the gas flow rate and decreasing the bubble size result in increased cell death. 而在有气泡存在时,造成细胞破损的主要原因是气泡,增加气体流量和减少气泡直径都将加速细胞死亡。
Bubble size has great influence on phase distribution of bubbly flow. 气泡尺寸对泡状流的相分布有重要影响。
The results showed that for multi-bubbles system, bubble coalescence might largely determined the bubble size and its distribution. 研究表明,对于多气泡体系,气泡的聚并与电解气泡的大小及分布有密切关系。
The laser diffraction method is used to investigate bubble size and ist distribution for electrolytic evolving hydrogen and oxygen. 应用激光衍射法研究了电化学反应中析出的氢和氧气泡的大小及其分布.发现在一定电解条件下气泡的大小在较宽的范围内变化,并给出了其统计规律。
Gas holdup increases obviously with the increase of current intensity, while bubble size decreases. 矿浆含气率随着电流强度的增大而增大,气泡量增大的同时,气泡尺寸减小。
In the thesis, we mainly study how to inverse the bubble size distribution by using acoustical methods. 研究气泡的方法主要有声学方法和光学方法,本文采用声学方法进行气泡分布反演研究。
The influences of bubble quantity and bubble size on flotation response were analyzed. 统计分析了气泡量、气泡大小对浮选效果的影响。
The core part of the flotation process is to control the air content and bubble size. 实现气浮工艺的核心部分是控制产生含气量和气泡大小合适的溶气水。
The air bubble size distribution was determined from literatures, which is a function of depth and wind speed. 气泡粒径分布模型来自文献,它是深度和海面风速的函数。
The gas holdup, interfacial area and bubble size distribution in the bubble column reactor are predicted. 在模拟过程中,气含率、气液相界面积、气泡大小直径分布得到了预测。