将传质方程引入到垂直管降膜蒸发传热模型中,求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
同一传质体系,在相同流动条件下孔隙率大的膜的传质系数大于孔隙率小的膜的传质系数。
The mass transfer coefficient was higher for the big porosity membrane than for the small porosity one at same experiment condition.
通过考察体积传质系数,确定了纤维液膜萃取分离器的最佳填充密度和最佳流量比。
By analyzing the volume mass-transfer coefficient, the optimal operating flow-ratio and packed density were obtained.
分析了溶液温度、浓度、降膜雷诺数对吸收效率和传质系数的影响。
The effects of solution concentration, solution temperature and film Renault number on absorption performance were studied.
用标准浊度液测定了浊度对氰化物传质系数的影响,探讨了膜污染的几种清洗方法。
The influence of turbidity on the mass transfer coefficient of cyanide is determined using standard turbidity solution. Several methods for cleaning the fouled membrane are explored.
模拟结果表明,进口流量和热负荷对降膜蒸发传热传质系数的影响较为显著。
The simulation results indicate that the effect of solution feed flow and heat flux has a high influence on heat and mass transfer coefficient of falling film evaporation.
以下用于计算平板膜式氧合器中氧传质系数的简单分析表达式。
In this paper, an equation for the local blood-side Sherwood number is derived from the advancing front theory (AFT) for mass transfer of oxygen in a parallel plate membrane oxygenator.
建立了描述连续逆流超临界流体喷淋萃取塔的流体力学关联式,根据双膜理论,建立了用于计算液相总体积传质系数的质量传递模型。
The study on hydrodynamics and mass transfer performance is carried out in a 25 mm diameter continuous countercurrent supercritical fluid extraction spray column.
建立了描述连续逆流超临界流体喷淋萃取塔的流体力学关联式,根据双膜理论,建立了用于计算液相总体积传质系数的质量传递模型。
The study on hydrodynamics and mass transfer performance is carried out in a 25 mm diameter continuous countercurrent supercritical fluid extraction spray column.
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