An advanced measuring system with tri fiber optical probe has been developed to measure two dimensional bubble velocity.
开发了一套新型的三探头单纤光导探针测量系统，用于测量二维气泡速度。
Approximate expressions for the Taylor bubble velocity are proposed, and shown to be in good agreement with the experimental data.
提出了液体流动为层流和紊流时气泡上升速度的表达式，研究结果与实验数据进行比较，符合较好。
The gas pressure directly influences bubble velocity (which affects the molten layer thickness), and the gas timing affects the formation of the solidified layer.
气压直接影响气泡速度(气泡速度影响熔体层厚度)，气体注射时间影响了固化层的形成。
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。
This paper reports some experimental results on variation of voidage in bed materials, bubble size and bubble rising velocity etc along the height of the bed.
本文介绍了流化床中床料空隙率，气泡尺寸，气泡上升速度沿床高变化的试验结果，提出了相应的无因次关联式。
The more the bubble close to the free surface, the narrower the bottom jet develops crosswise, and the larger the pressure gradient, the rising velocity and the height of the bottom jet is upwards.
越靠近自由表面，底部射流横向发展越窄，而向上的压力梯度，气泡上升速度，底部射流上升高度越大，反之则反；
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.
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 forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are obtained.
继而分析了在边界层中脱离壁面的汽泡上的作用力，导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
The liquid velocity is symmetric towards the wall. Values in (1) are 0.3 m/s for the discrete bubble pattern (where bubble rising velocities are 0.7 m/s).
液体的速率对墙体具有相称性，如图1中，当气泡呈离散式分布时为流体速度0.3米/秒，相应的气泡上升速率为0.7米/秒。
Numerical simulation of round bubble plumes in still environment is performed to obtain the distribution of velocity and gas holdup.
对静止环境中的圆形气泡羽流流场进行数值模拟，得出了气泡羽流的流速场和浓度场。
The mathematical model for bubble rising velocity in the initial and middle regions is in good agreement with experimental data.
该模型能够较好地符合上升初始段及中间段的气泡上升速度。
Numerical simulations reveal that different inserted time, amplitude and width of pulse signal will influence maximum radius and collapse velocity of bubble.
脉冲加入的时间、脉冲幅度和宽度影响气泡最大半径和气泡崩溃速率。
The surface concentration of the adsorbed surfactants, the surface velocity and the migration velocity of the bubble are obtained by a boundary collocation technique.
采用边界配置点法数值求解了气泡表面吸附的活性剂浓度、气泡表面流体速度以及气泡在溶液中的运动速度。
It can be neglected that rise velocity of gas bubble is very small in melt.
气泡在熔体中的上升速度很小，可以忽略。
The incipient cavitation number consists of Weber's number W and m - relative velocity of cavitation bubble explosion.
初生空化数由韦伯数w和空泡相对膨胀速度M所组成。
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。
An experimental study to investigate bubble detachment point in the sub-cooled boiling at low pressure and velocity is introduced.
叙述了低压低流速下过冷沸腾汽泡脱离点的试验研究。
Aeration plays an important role in the treatment of activated sludge, nevertheless, the velocity of bubble rising in water is of critically effects upon the aeration.
曝气在活性污泥处理方法中起着重要作用，而水中气泡上升速度对曝气作用的影响又至关重要。
When the second derivative of the bubble number in unit bed volume with respect to gas velocity equals zero, the flow regime transition occurs. The model fits fairly well with the experimental data.
导出了当单位床层体积中气泡数目对气速的二阶导数为零时发生流型转变，该模型的计算机结果与实验数据吻合良好。
A model for the rise velocity of a single deformed bubble in liquid solid fluidized beds was formulated, based on the analysis of the forces acting on a bubble.
以气泡在上升运动过程中的受力分析为基础，建立了描述单个变形气泡在液-固流化床中上升速度的理论模型。
The effects of fluid viscosity, sediment concentration and fluid velocity on bubble collapse process as generated by electronic sparks was investigated.
文中利用高速摄影技术研究了液体粘性、含沙量及流速对电火花空泡溃灭过程的影响。
Determination methods of parameters which involved gas holdup, liquid circulation velocity, solid holdup, bubble behaviors etc in the loop reactor were introduced.
介绍了环流反应器流体力学参数的测定方法，这些参数包括气含率、循环液速、固含率、气泡大小及速度。
The flows were analyzed by numerically solving the governing equations for the velocity and temperature distributions around the bubble and the heated wire as the bubble moves along the wire.
本文分析了沿细丝运动的汽泡顶部产生射流的物理机理，并通过对汽泡和加热细丝周围温度场和速度场的数值求解来进行分析。
Relationships between the transition velocity and bubble diameter has been analyzed for beds with and without baffles.
最后分别针对挡板床和自由床分析了比临界速度与气泡的关系。
The velocity of the Taylor bubble has been experimental studied in different axial position of upward inclined pipe by using high speed motion analyzer.
本文使用高速动态分析仪对低温倾斜上升管内不同位置处弹状汽泡进行了可视化实验研究。
The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are o...
继而分析了在边界层中脱离壁面的汽泡上的作用力，导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
The forces acting on the departing bubble are also analysed. and the formulas for calculating the relative velocity and the velocity with which the bubble moves to the tube axis are o...
继而分析了在边界层中脱离壁面的汽泡上的作用力，导出了汽泡运动相对速度的计算公式及汽泡走向管子轴心的速度的计算公式。
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