Factors affecting the design and operation of a falling film molecular still are discussed.
文中并讨论了影响降膜式分子蒸馏器设计与操作的各种因素。
The falling film generator is applied in the lithium bromide absorption chiller and heat pump.
降膜式发生器在溴化锂吸收式制冷机与热泵中得到了一定的应用。
The results of this paper will be in favor of the design and optimization of vertical falling film absorber.
得出的结论对垂直降膜吸收器的设计和优化具有指导意义。
A new method was presented according to the theory of falling film to calculate the holdup in structured packing.
采用降膜理论建立了板波纹填料的持液量模型。
The method that alcohol waste is concentrated in falling film plate evaporator, is proved to be successful in practice.
用板式降膜蒸发器蒸发浓缩酒精废液的方法;经生产实践证明,已取得初步成功。
A novel solar desalination unit with vertical tube falling film evaporation and horizontal tube condensation was designed.
设计了一种竖管降膜—横管冷凝的太阳能海水淡化装置。
Theoretical Study on Characteristics of Falling Film Evaporation Hydrodynamics and Heat Transfer in a Vertical Wavy Wall Tube;
提出了二元混合物在垂直圆管中降膜蒸发的传热传质耦合数学模型及其相应的数值解法 。
Then the flow field of the falling film can be simulated through dispersing the integral equation and using numerical methods.
将积分方程离散后用数值计算的方法模拟了整个流场。
The free falling film process has extensive applications in many fields especially such as petroleum and chemical industrial processes.
自由降膜过程在许多工业领域,特别是在石油化工工业中有着非常广泛的应用。
The computation results show that vacillation has a significant effect on falling film absorption in a vertical tube with TFE/NMP solution.
计算结果表明,摇摆振动对TFE/NMP垂直管内降膜吸收性能影响很大。
In the paper, the dimpled vertical plate falling film evaporator was applied to concentrate and condense the heat sensitive pineapple juice.
本文针对异形竖板降膜蒸发器的特点,将其应用于菠萝汁的蒸发浓缩。
The results indicated that the dimpled vertical plate evaporator was more appropriate for liquid food than the tubular falling film evaporator.
结果表明,与管式蒸发器相比,异形竖板降膜蒸发器更适宜于液体食品的蒸发。
Theoretical analysis and an experimental study on heat transfer process of falling film evaporation caused by microwave field were carried out.
通过实验考察了相变与非相变过程、不同真空度、不同降膜流量以及降膜膜厚等因素与液体吸收微波功率或蒸发量的关系。
Based on the analysis of heat and mass transfer, a simplified mathematical model describing the falling film crystallization process is developed.
本文在对降膜结晶分离过程进行传热传质分析的基础上,建立了简化数学模型。
Satisfied results were obtained after a research into the methods and product conditions by using single pass falling film type evaporator to concentrate syrups.
文中研究了用单程降膜蒸发器浓缩果糖浆的方法与生产条件,并得到满意的结果。
Seawater falling film evaporation heat transfer and anti-fouling characteristics were investigated on ion-plated chromium, TiN and chemically treated aluminum tubes.
考察了淡水和海水在离子镀铬、氮化钛和化学处理水平铝管外表面的降膜传热热性。
The heat performance of boiling for this evaporator has been studied and compared with that of falling film boiling and pool boiling on the smooth plate respectively.
对这种蒸发器进行了传热性能的研究,并与池式光板进行传热性能对比,实验结果表明,T型翅片板降液膜蒸发能在低温差下维持沸腾且有较高的给热系数。
The model, which includes the effect of additional inertia forces by vacillation, describes a problem of unsteady three-dimension wavy laminar falling film absorption.
该模型充分考虑了由摇摆振动引起的附加惯性力的作用,属非稳态三维波动层流问题。
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。
Finally, falling film absorption changes with the solution parameters at inlet and system pressure and the change trend is very similar to what happened in the static tube.
最后,改变溶液入口参数及吸收压力,相应的吸收情况有所改变,其趋势与静止状态下的降膜吸收非常一致。
Numerical analyses and experiments were carried out to obtain the evaporating heat transfer characteristics of falling film on horizontal heated single tube and tube arrays.
摘要采用层流和紊流两种模型对水平管外垂下液膜的强制对流蒸发换热性能进行了数值计算。
When the temperature of heat source is relatively low, the falling film generator in the lithium bromide absorption machine can improve its heat and mass transfer performance.
热源温度较低时,在溴化锂吸收式制冷机或热泵中使用降膜式发生器可以改善传热传质的性能。
The mechanisms for JK-1 tubes and JK-2 tubes to enhance spray falling film boiling has been analyzed and the simple correlations based on the experimental data was established.
对JK - 1管和JK - 2管的降膜沸腾强化传热机理作了定性分析,并根据实验数据建立了简单的经验关联式。
The effects of swaying additional inertia forces on the distributions of film thickness, velocity, temperature and concentration of falling film flow field were fully considered.
模型中充分考虑了转动附加惯性力对降膜流场中液膜厚度、速度、温度和浓度分布的影响。
Most part of latent heat of the vapor and the sensible heat of water can be utilized several times because multi-stage falling film evaporation and condensation processes are utilized.
该装置的蒸馏系统采用了多级降膜蒸发及降膜凝结技术,使其中大部分蒸气潜热及部分盐水的显热得到了多次重复利用。
This experiment is about falling film evaporation on horizontal tubes which is based on the large-scale desalination experiment for attaining the main data affecting the desalination system.
本实验是建立在海水淡化大型实验设备的基础上的水平管降膜实验,主要目的是建立水平管降膜蒸发实验装置并进行实验,得到影响海水淡化实验的主要数据资料。
The plate falling film evaporator has advantages of high capacity, less steam consumption and high return water ratio but is not suitable for evaporation of solution with crystal liberation.
板式降膜蒸发器具有蒸水能力大、汽耗低、回水比高等优点,但不宜蒸发有结晶析出的溶液。 山西铝厂拜尔法母液中碳碱含量高,在蒸发过程中易析出。
A numerical analysis of the heat and mass transfer in a heat pipe type falling film absorber was carried out, in which solution absorption and removal of absorption heat happened through heat pipe.
对热管式降膜吸收器溶液吸收传热传质并通过热管移出吸收热的过程进行了数值研究。
The theoretical analysis and experimental results show that the elliptic cavity is good for falling film evaporation and can effectively enhance the speed of evaporation and heat transfer efficiency.
理论分析和实验结果表明,椭圆腔板束有利于降膜蒸发,能有效地提高蒸发速度和传热效率。
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。
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