最小流化速度,minimum fluidization velocity
the minimum fluidization velocity最小流化速度
1.In order to determine the influence of coarse magnetic powder amount on the fluidization characteristics of non-magnetic cohesive powders,the minimum fluidization velocity and pressure drop were measured.为了评价非磁性粘性颗粒在磁场流化床中的流化性能,测量了最小流化速度、床层压力降和床膨胀高度。
2.It focuses on reviewing the effect of temperature onthe minimum fluidization velocity, minimum fluidization voidage, bed expansion ratio, and bubble diameter, which are in relation with the design and operation of fluidized beds.文中结合研究结果 ,综述了温度对最小流化速度、最小流化空隙率、床层膨胀比和气泡直径的影响。
3.Meanwhile,the minimum fluidization velocity for sand/vegetable seeds mixtures were also s.已有的预测双组分混合物最小流化速度的公式不能应用于锯末/玻璃珠、锯末/沙子双组分混合物。
3)minimum fluidizing velocity最小流化速度
1.The experimental results showed that IHI ash belonged to B group; Re numbers were less than 40 when the bed temperature was increased from ambient temperature to 1 000 ℃;And that theminimum fluidizing velocity of material particles decreased with increasing the bed temperature.随着床层温度升高 ,物料颗粒的最小流化速度减小 。
2.Theminimum fluidizing velocity of pyrite ore is measured in a cylindric Plexiglass fluidized bed with 285 mm in diameter.本文在Φ２８５ｍｍ有机玻璃圆柱状流化床中对硫铁矿颗粒物料的最小流化速度进行了研究。
4)the sintering minimum fluidization velocity最小流化速度
1.The phenomenon of agglomeration and its various influencing factors,the sintering minimum fluidization velocity, force analysis acting on agglomeration and agglomeration mechanism are also presented.分析了近年来高温流化床结焦研究的状况，总结了流化床结焦现象及其影响因素、流化床结焦时的最小流化速度及影响因素、流化床结焦机理， 并分析了研究中存在的问题， 探讨了高温流化床结焦特性研究的方向。
2.The phenomenon of agglomeration and its various influencing factors,the sintering minimum fluidization velocity,the parameter change of gasification when it was agglomeration are also presented.分析了近年来生物质流化床气化炉的结焦研究的状况,总结了影响生物质流化床气化过程中结焦的因素和确定结焦时最小流化速度的几类计算方法。
5)minimum spout-fluidizing velocity最小喷动流化速度
1.Almost all the literature correlations for predicting theminimum spout-fluidizing velocity, u msf ,were developed from single particle component and special gas-distributor,and hence have some limitation in actual application.在一Ф12 5mm、锥角 6 0°的喷动流化床内测定了混合和分离体系的混合二组分及其单一组分的最小喷动流化速度umsf。
6)normal fluidization curve method (NFCM)最小流化速度法(NFCM)
延伸阅读
最小流化速度分子式：CAS号：性质：当一流体向上通过一个颗粒床层时，随着流速的增加，颗粒由静止状态转为运动状态，当流体向上所产生的曳力等于颗粒床层的重量时，或当流体通过床层时的压力降刚好等于单位床截面上的颗粒重量时，颗粒开始流态化，此时的流体表观线速称为最小流化速度，或临界流态化速度，用Umf表示。Umf由颗粒和流体的物性所决定，与设备尺寸无关。计算Umf的关联式很多，选用时应注意式中所用单位。
