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thickness of liquid film
相关语句
  液膜厚度
    Hydrodynamic Model of Slug Flow in Vertical Pipes Considering Variable Thickness of Liquid Film
    可变液膜厚度下垂直塞状流参数预测模型
短句来源
    By using lubrication equation, elastic equilibrium equation and narrow gap flow theory, the pressure distribution, thickness of liquid film and friction force on the inner surface of the reciprocating rectangular sealing ring, which play an important role on sealing performance, are studied.
    针对往复矩形密封,应用润滑方程、弹性平衡方程和缝隙流理论分析了对密封性能起关键作用的密封圈内表面轴向压力分布、液膜厚度、摩擦力;
短句来源
    The first experiment is to study liquid flowing inside the rotor by visual investigation, and try to measure the thickness of liquid film on the surface of the packing.
    实验之一是转子填料内液体流动的观测与填料表面液膜厚度的测定。
短句来源
    For the absorption process in which the gas phase resistance to mass transfer between two phases is neglectable,the mass transfer rate is mainly dominated by liquid bulk concentration and thickness of liquid film.
    对于气相阻力可以忽略的吸收过程,两相传质速率的大小主要取决于液相的溶质界面浓度和液膜厚度
短句来源
  液膜厚度
    Hydrodynamic Model of Slug Flow in Vertical Pipes Considering Variable Thickness of Liquid Film
    可变液膜厚度下垂直塞状流参数预测模型
短句来源
    By using lubrication equation, elastic equilibrium equation and narrow gap flow theory, the pressure distribution, thickness of liquid film and friction force on the inner surface of the reciprocating rectangular sealing ring, which play an important role on sealing performance, are studied.
    针对往复矩形密封,应用润滑方程、弹性平衡方程和缝隙流理论分析了对密封性能起关键作用的密封圈内表面轴向压力分布、液膜厚度、摩擦力;
短句来源
    The first experiment is to study liquid flowing inside the rotor by visual investigation, and try to measure the thickness of liquid film on the surface of the packing.
    实验之一是转子填料内液体流动的观测与填料表面液膜厚度的测定。
短句来源
    For the absorption process in which the gas phase resistance to mass transfer between two phases is neglectable,the mass transfer rate is mainly dominated by liquid bulk concentration and thickness of liquid film.
    对于气相阻力可以忽略的吸收过程,两相传质速率的大小主要取决于液相的溶质界面浓度和液膜厚度
短句来源
  “thickness of liquid film”译为未确定词的双语例句
    Based on analysis of flow mechanism,a hydrodynamic model of slug flow in vertical pipes was developed considering the variable thickness of liquid film.
    基于流动机理的分析建立了塞状流参数预测模型; 模型中考虑了液膜的厚度变化。
短句来源
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  thickness of liquid film
Experimental determination of thickness of liquid film remaining on internal surface of a horizontal capillary
      
Determinating the thickness of liquid film holdup on a rotating drum surface
      
The results show that with the increase in the rate of welding thermal cycle, the solid dissolution of precipitate prior to liquation decreases and the thickness of liquid film produced by constitutional liquation increases.
      


By using lubrication equation, elastic equilibrium equation and narrow gap flow theory, the pressure distribution, thickness of liquid film and friction force on the inner surface of the reciprocating rectangular sealing ring, which play an important role on sealing performance, are studied. Theoretical calculation is done by finite element method and difference method. The pressure distribution and friction force are also measured in experiments.

针对往复矩形密封,应用润滑方程、弹性平衡方程和缝隙流理论分析了对密封性能起关键作用的密封圈内表面轴向压力分布、液膜厚度、摩擦力;并用有限元和差分法对其进行了理论计算;最后用实验测试了压力分布和摩擦力.

Based on analysis of flow mechanism,a hydrodynamic model of slug flow in vertical pipes was developed considering the variable thickness of liquid film.Effects of film thickness on results were dis- cussed and the model was evaluated with experimental data available from the literature,It was found that if the variation of thickness was neglected,and Taylor bubble was considered as a cylindrical bubble,the length of Taylor bubble would be under predicted.The simplification can also result...

Based on analysis of flow mechanism,a hydrodynamic model of slug flow in vertical pipes was developed considering the variable thickness of liquid film.Effects of film thickness on results were dis- cussed and the model was evaluated with experimental data available from the literature,It was found that if the variation of thickness was neglected,and Taylor bubble was considered as a cylindrical bubble,the length of Taylor bubble would be under predicted.The simplification can also result in an over prediction of pressure gradient,and the deviation will increase as gas superficial velocity increases for a fixed liquid superficial ve- locity.The improved model takes into account the flow characteristic of liquid film,and can predict the data obtained from different sources with a fairly well accuracy.

基于流动机理的分析建立了塞状流参数预测模型;模型中考虑了液膜的厚度变化。分析了液膜厚度变化对预测结果产生的影响,并用公开发表的数据对模型进行了验证。分析表明,若忽略液膜厚度的变化,将Taylor泡简化为圆柱体,会使其长度的预测值偏小,导致压力梯度的预测出现正偏差,且偏差会随气相表观速度的增加而增大。新建模型反映了液膜的流动特性,可对不同来源的数据进行较为准确的预测。

The present paper aims at the understanding on the gas-liquid mass transfer mechanism of absorption process.On the basis of molecule thermodynamics,combining the general chemical potential driving force equation of mass transfer flux,a concentration corrrelation at interface between two phases is derived and solved under different bulk liquid concentrations in absorption process.The computational results show that the interfacial concentration of absorbed component on liquid side is strongly affected by a Biot...

The present paper aims at the understanding on the gas-liquid mass transfer mechanism of absorption process.On the basis of molecule thermodynamics,combining the general chemical potential driving force equation of mass transfer flux,a concentration corrrelation at interface between two phases is derived and solved under different bulk liquid concentrations in absorption process.The computational results show that the interfacial concentration of absorbed component on liquid side is strongly affected by a Biot number Yo and is also bulk concentration dependent.For the absorption process in which the gas phase resistance to mass transfer between two phases is neglectable,the mass transfer rate is mainly dominated by liquid bulk concentration and thickness of liquid film.The CO_2 interfacial concentration on liquid side in stationary absorption by pure methanol,ethanol and n-propanol absorbent respectively are measured using micro laser holographic interference technique to validate the model proposed,the experimental values are in good agreement with the calculated ones.

针对气体吸收过程,以分子热力学为基础,结合普遍化的化学势推动力通量方程,导出了传质存在时两相界面处的浓度关系,并针对不同情况进行了求解。提出了一个反映液相侧动力学状况的无因次数群Biot数Yo,Yo数越大界面处两相越偏离平衡。界面浓度是与Yo和液相主体浓度密切相关的。对于气相阻力可以忽略的吸收过程,两相传质速率的大小主要取决于液相的溶质界面浓度和液膜厚度。采用激光显微全息干涉技术对甲醇,乙醇,正丙醇静止吸收CO2时的界面浓度进行了测定,试验结果表明了本研究模型的正确性。

 
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