表观速度

当气相表观速度小于0.02m.s-1时，随着气相表观速度增加，泡状流随机可变的运动特征逐渐加剧，其动力学特性变得相对复杂；

When the gas superficial velocity was less than 0.02 m · s - 1 , the randomly variable motion features of bubble flow became stronger and the dynamic characteristics became relatively more complex with increasing gas superficial velocity .

床内空气的表观速度可达到3.5m/s。

The apparent velocity of air in the bed can go up to 3.5 m / s.

1时，由大振幅波形成段塞流，而当气相表观速度大于4m？

1 , the slugs evolve from large amplitude waves , while when the superficial gas velocity is higher than 4 m ?

用循环伏安法（CV）、计时电量法（CC）和计时电流法（CA）测定了SNP在GCE上的电极过程动力学参数如电荷传递系数α，扩散系数D以及表观速度常数Kf。

The electrode kinetic parameters such as charge transfer coefficient α, diffusion coefficient D and apparent reaction rate constant k_f are determined by CV , CC and CA.

由于在不同的气相流速范围内，段塞流由不同形式的界面波形成，当气相表观速度小于4m？

It is found that the slug flow derives from different interfacial wave patterns , such as when the superficial gas velocity is less than 4 m ?

研究了一定条件下气、液、固三相流化阳离子交换-除CO2联合水处理装置的气含率分布，讨论了树脂层高及气、液表观速度对气含率分布的影响。

The distribution of gas holdup of a combined water treatment device of three-phase ( solid , liquid , gas ) fluidized cationic exchange - CO 2 removal was studied under a certain conditions . The effects of operational conditions and amount of resin added on the device were discussed .

液相和气相表观速度范围分别为0.40-2.69m/s，0.02-2.99m/s。

The liquid and gas superficial velocities in the rod bundle were 0.40-2.69m/s and 0.02-2.99m / s , respectively .

文中主要介绍Geldart-A颗粒在三种不同锥角的锥形流化床，随着气体表观速度的增加，呈现出两种不同的流化区域，即固定床和喷动床。

In this paper , fixed bed regime and spouting bed regime are observed successively with the increase of superficial gas velocity for Geldart-A powder in a conical bed with three cone angles .

动力学研究结果表明，大庆减压渣油各组分的表观速度常数为0.01157～2.225h~（-1），表观活化能为11.91～79.32kJ/mol；

The results of kinetics study demonstrate that the apparent rate constants and activation energies of all constituents of Daqing vacuum residue are 0.01157 ~ 2.225h ~ ( - 1 ) and 19.91 ~ 79.32kJ/mol respectively ;

分析了气体表观速度对反应过程的影响，和在不同表观气速下气液传质系数和反应动力学参数间的关系。

The relations between mass transfer coefficient and kinetic parameters at different gas velocities are analyzed .

得到了颗粒温度随颗粒浓度的变化规律以及颗粒速度的概率密度分布。研究了气体表观速度和碰撞弹性恢复系数对两相流动特性的影响。

The particle collision frequencies and granular temperature as a function of particle concentration were obtained .

由无定形碳向石墨转变的反应为准零级，其表观速度为常数。

The apparent rate of transition reaction from amorphous carbon to graphite is a constant and the reaction order is quasi-zero .

因此，负群速度只是表观速度，能流的研究结果也证明了这一点。

Thus the negative group velocity is simply an apparent velocity as we shall show from the study of energy flow .

研究了气体表观速度和碰撞弹性恢复系数对气固两相流动特性以及颗粒团聚物流动特性的影响。

The effects of superficial gas velocities and restitution coefficients on the flow behavior of two-phase flow and clusters were analyzed .

试验发现，尽管输送气体表观速度呈下降趋势，而水平管稳定段的单位压降随固气比增大而增加。

It is found that the unit pressure drops in the stabilized conveying section of a horizontal pipe increase despite apparent velocity of the conveying air is decreased .

发现在较低的水表观速度时，随着气相表观速度增加，泡状流及混状流动力学特性变得愈加复杂，而段塞流动力学特性则变得愈加简单；

The results indicate that at a low superficial water velocity , the dynamic character of bubble and churn flows become more complex and the slug flow more simple with increasing superficial gas velocity ;

研究了气体表观速度和颗粒碰撞弹性恢复系数对团聚物存在时间、平均颗粒浓度、生成频率以及两相流流动特性的影响。

The effects of superficial gas velocities and restitution coefficients on existence time of cluster , average concentration of particle , occurrence frequency of cluster and the flow behavior of two-phase flow are analyzed .

在考察了各种因素对还原反应速度和反应程度影响的基础上，进一步探讨了还原反应机理，计算了各种条件下的表观速度常数。

Base on the investigation of the influence of different factors on the reduction rate and degree of the reaction , the reducing reaction mechanism was studied , and the apparent rate constant was calculated under different conditions .

提出了干燥速率与干燥介质温度、气流表观速度、床层静止高度、气流脉动频率以及气流分布板开孔率之间的关系，同时也得出了床层压降与床层静止高度的关系。

The relationship between the drying rate and drying air temperature , superficial air velocity , static bed height , pulsation frequency and perforation rate of screen were developed . Also , the relationship of pressure drop with static bed height was obtained .

最后，本文根据混沌关联维随气相表观速度变化的曲线，给出了泡状流和混状流的边界线方程，发现水流量高时的边界线方程与水流量低时基本一致。

Finally we conclude the boundary equation of bubble flow and churn flow according to the curves of chaotic correlation dimension with superficial gas velocity variations , and we find the equations with the high water flow rate are the same with the ones with low flow rate .

随着表观液体速度和辅助液体速度增加，颗粒循环速度都增加；随着表观气体速度的增加，颗粒循环速度减小。

However , the particle circulating velocities decrease with increasing superficial gas velocity .

地下洞穴对表面波表观相速度影响的数值分析

Numerical analysis of influences of underground cavity on apparent phase velocities of surface waves

液固循环流化床的研究（Ⅱ）表观滑落速度及曳力系数

Liquid - solid circulating fluidized bed (ⅱ) studies on the apparent slip velocity and drag coefficient

PET/60PHB热致性液晶共聚酯的固相缩聚&影响表观反应速度的因素

Solid state polycondensation of pet / 60phb Thermotropic Liquid Crystalline Copolyester & factors affecting overall reaction rate

表观相速度扰动程度随频率减小而增加，直至出现大扰动。

Disturbance degree of the apparent phase velocity increases with decrease of frequency until a maximum one occurs .

对于颗粒内扩散控制的催化反应过程，采用异形催化剂可以显著提高表观反应速度；

When intra-particle diffusion limitation is important , the use of non-cylindrical catalysts can increase superficial reaction rate markedly .

整床平均传质系数随着表观气流速度的增大而增大。

The interfacial coefficient of the mass transfer between particles and gas increased along with the interfacial air velocity increasing .

模拟结果显示：温度场和表观气体速度对于稀相区床层与壁面之间的辐射传热系数有着重大的影响，而颗粒特性也对该系数有着不同程度的影响。

Simulation results show that the particle properties have significant influences on the bed-to-wall radiative heat transfer coefficient in CFB combustors .

实验研究了液体粘度、表观液体速度、表观气体速度、辅助液体速度及颗粒密度对颗粒循环速度的影响。随着液体粘度的增加，颗粒循环速度增加；

Experimental results show that the particle circulating velocities increase with increasing liquid velocity , superficial liquid velocity and secondary liquid velocity .

考察了不同表观液体速度、辅助液体速度、液体黏度及颗粒密度对局部相含率轴径向分布的影响。

The axial and radial distributions of local phase holdups were studied under different operating conditions , liquid viscosity values and particle density values .