Aiming at rotating cone feeders used in annular spouted beds, the influence of spouting air velocity and the amount of hold-ups on particle mixing has been investigated.
针对环形喷动床采用旋转锥播料器对环形空间给料的方法,研究喷动风速和床上物料量对颗粒混合规律的影响。
Analysis of the particle velocity distribution and the gas-solid hydrodynamics indicate that the scale of inner particle circulation is crucial in determining the mixing pattern within the beds.
颗粒速度分布和气固流动特性分析显示,内部颗粒循环尺度是影响床内混合方式的重要因素。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
扩张角的增加可提高速度环量,但是流动混合损失增加,总压恢复系数减小。
The results velocity curves of mixing with variable rotation speed are compared with that of mixing with constant rotation speed.
得到了六个不同角度处流体径向速度分布云图,并对比分析变速搅拌与常速搅拌混合流场速度分布曲线的不同。
There are many factors which affect the mixing of microfluidic, such as the inlet velocity, diffusion coefficient, depth-width ratio, and so on.
影响微流体混合的因素有很多,如入口速度、扩散系数、深宽比等。
The mixing layer flow was numerically simulated by the discrete vortex method, in which the diffusion velocity method was adopted to model the viscosity.
对混合层流动进行了数值模拟。采用了离散涡方法。计算中采用扩散速度法处理粘性作用项。
As a result, the modified rotor could effectively increase the mean radial and tangential velocity near the evaporating wall of WFMD and strengthen the mixing of liquid layers.
模拟结果显示改进后的转子能有效提高近壁面处的平均径向速度和切向速度,强化液层间的混合。
The increase of liquid viscosity, flow velocity and sedimented bed heights resulted in the increase of axial mixing coefficient.
在所研究的范围内,流体粘度、流速和床层高度的增大都会引起轴向混合系数的增大;
While several types of hoppers exist, they generally have a high velocity stream of mud going through them and a means of mixing either dry or liquid mud additives into the whole mud stream.
有许多不同类型的漏斗搅拌器,通常这些漏斗搅拌器都有高速泥浆流经其间,并混合干或湿的泥浆添加剂到整个泥浆系统中。
The effects of velocity ratio of free streams on the particle sedimentation in liquid-solid two phase plane mixing layer are studied by flow visualization method.
本文采用流动显示的方法对平板混合层中上下层流体速度比对固体颗粒在混合层中沉降的影响进行了研究。
Theoretical models for the calculation of the droplet velocity in the liquid-liquid heterogeneous mixing are reviewed. Breakage and coalescence mechanism of the droplets are analyzed.
总结了液-液非均相混合过程中的液滴运动速率计算模型,分析了液滴破碎及合并的机理。
The mixing mechanism of dual-species gas in pipe is analyzed, and the effect of the purging velocity on the length of mixed region is numerically studied.
分析了管内二元气体的混合机理,对不同流速影响混合长度规律的三维数值模拟进行了研究。
Comparisons were also made between computational and experimental data of pressure distribution on the wall of the mixing duct and velocity distribution on the exit of the duct.
并对混合管壁面的压力分布和出口速度型与实验值进行了比较。
Analysis of the velocity and distribution of gas volume fraction in the same location and plane of two mixers is used to compare the results of mixing.
分析两种搅拌器相同位置、相同平面的速度分布及气相体积分数分布,比较两种搅拌器搅拌效果。
The frequency of the self-mixing interference signal is acquired by time-frequency analysis, and this frequency is equal to the Doppler shift, so the velocity of external object is gained easily.
该方法通过时频分析获得自混合信号频率随时间的变化,利用激光与外部物体相互作用后的多普勒频移与信号频率相等的关系,非常方便的获得了外部运动物体的速度历史信息。
The results showed that the mixing process of material in agitated tank was controlled by velocity field;
结果表明,拌槽内物料的混合过程主要由槽内的流体流动所控制;
The results showed that the mixing process of material in agitated tank was controlled by velocity field;
结果表明,拌槽内物料的混合过程主要由槽内的流体流动所控制;
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