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.
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。
In this thesis, the heat transmission coefficient and exit density of two-effect evaporation experimental facility are investigated.
本文以两效蒸发实验装置的传热系数和出口浓度在线检测系统为研究对象。
The influence factors of the heat transfer performance and the formula of the heat transfer coefficient on the evaporation side in the umbrella-plate have been obtained.
分析了影响伞板式降膜蒸发器传热的主要因素，得到了伞板降膜蒸发侧无因次传热系数的实验关联式；
For two-effect evaporation experimental facility, the heat transmission coefficient is a critical processing parameter, it determines processing property of evaporation facility.
对于两效蒸发实验装置，传热系数是一个决定性的工艺参数，它直接决定着蒸发设备的工艺性能。
The influences of salt scale on heat transfer coefficient, production capacity and steam consumption in the evaporation of liquid caustic soda are analyzed.
分析了液碱蒸发装置结盐对蒸发传热系数、生产能力和蒸汽消耗的影响。
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.
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 surface emission coefficient was also a function of the relative depth of evaporation.
质交换系数也是蒸发界面深度的函数。
The average evaporation heat transfer coefficient decreases with the increasing of the oil concentration.
不同含油率下，沸腾平均换热系数随质量含油率的增加而增加。
Results from the experiment show that there exists a maximum coefficient of performance and it depends on the evaporation temperature and outlet temperature of the gas cooler.
实验结果表明，系统运行时的最大制冷(热)系数取决于系统的蒸发温度和气体冷却器出口温度。
The influences of generation temperature, evaporation temperature, absorption temperature to the coefficient of performance, circular ratio and cooling capacity were also studied.
并讨论了循环的发生温度、蒸发温度、吸收温度对循环性能系数、循环倍率和制冷量的影响。
The amount of evapotranspiration of farm land can be calculated by multiplying the largest possible evaporation capacity of water surface with a special coefficient.
用它计算的水面最大可能蒸发量乘以一定系数，便可换算成农田蒸散量。
Soil evaporation can be calculated by using the soil evaporation measured by micro-lysimeter by multiplying a coefficient of 0.96.
分析得出夏玉米出苗前利用小型棵间蒸发器实测蒸发的修正系数为0.96。
Soil evaporation can be calculated by using the soil evaporation measured by micro-lysimeter by multiplying a coefficient of 0.96.
分析得出夏玉米出苗前利用小型棵间蒸发器实测蒸发的修正系数为0.96。
应用推荐