A model of mass transfer coefficients in liquid phase near free gas-liquid interface is developed based on the energy spectrum functions of isotropic turbulence.
摘要在单涡模型的基础上,根据各向同性湍流的能谱函数,考虑不同尺度的旋涡对气液传质的影响,建立了气液自由界面传质系数模型。
Based on the study of the characteristics of heat and mass transfer of absorption, a numerical model to simulate the process of absorption of LiBr solution is established.
通过对溴化锂溶液在降膜吸收过程中传热、传质特性的分析,建立了垂直降膜吸收过程的数学模型。
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。
A mathematic model based on heat and mass transfer in porous media was established for the simulation of paper drying in dryer section of paper machine.
根据多孔介质干燥过程中的传热传质理论,结合纸机工作特点,建立了纸页的干燥过程物理模型和数学模型。
A planar model of air and water flow on metal fill surface was set up to investigate heat and mass transfer performance of air conditioner.
建立了填料塔的二维传热传质模型,考虑了因水蒸发或凝结而引起的水的质量变化和空气的质量变化。
Mathematic model simulation indicated that mass based transfer model is more appropriate than experiential decay model to explain the results of chamber test.
经验衰减模型与物质传输模型的对比分析表明,物质传输模型比衰减模型更有利于解释环境箱试验结果。
A mathematical model was developed to investigate mass flow rates in the heat transfer pipes of the air side heat exchanger with and without distribution pipes for an air source heat pump.
建立分液管和换热器的数学模型,对空气源热泵风侧换热器在有、无分液管的情况下的各盘管中质量流量分配问题分别进行研究。
In the paper, dynamic analysis of temperature field in mass concrete has been worked out and mathematical model has been drawn up from the heat transfer.
从传热学角度对高性能大体积混凝土内温度场进行动态分析,并建立了符合实际的数学模型。
The research progress of liquid dehumidification air conditioning system, desiccant and mathematic model for heat and mass transfer in dehumidification system at home and abroad is expounded.
对液体除湿空调系统、除湿剂、除湿系统中热质交换数学模型的国内外研究进展进行了阐述。
By analyzing the physical characteristics and the operation condition of biomass pyrolysis, the biomass pyrolysis is described using kinetic model and heat and mass transfer model.
通过分析生物质热解的物理特性和运行条件,采用动力学模型和传热、传质模型,对生物质热解进行描述。
A new mathematic model based on analysis of liquid flow, mass transfer and heat transfer is proposed to describe wiped film molecular distillation.
在对刮膜式蒸馏器蒸发表面流体流动和传质传热进行分析的基础上,研究了分子蒸馏过程,并建立了数学模型。
The model and results are helpful to reveal heat and mass transfer characters of the adsorbent bed and to provide theoretical basis for optimal design of this system.
该数学模型和计算结果有助于深入认识吸附床的传热传质特性,以期能为吸附床的具体设计提供理论依据。
A mathematical model for the heat and mass transfer in the pyrolysis process of the biomass fuel bed was developed in this paper. Heat and mass transfer characteristics of the process were discussed.
通过分析生物质热解过程的传热传质特点,建立了生物质燃料层热解过程的传热传质数学模型。
The minimum liquid—vapor ratio and the Height of Mass Transfer Unit "HTU" can be obtained in lack of interphase heat transfer coefficient by the model.
利用该模型可以在缺乏相间传热系数的情况下,计算出最小液-汽比及传质单元高度HTU。
With the modified particle heat transfer model, the heat and mass transfer model of the indirect dryer is set up.
论述了应用基于移动加热板的颗粒热传递模型计算大型旋转管排式干燥机传热系数的方法。
According to the principle of mass conservation, the kinetic model of SCFE is set up founded on differential extraction, and the mass transfer in SCFE is analyzed.
根据质量衡算原理,建立了基于微分床萃取的超临界流体萃取的动力学数学模型,从理论上分析了超临界流体萃取的传质过程。
A nonequilibrium nonlinear dynamic model of petroleum fractionators is developed in this paper by directly taking into account the mass and heat transfer between liquid and vapor in the tower.
建立了基于工艺机理分析的石油分馏塔非平衡动态数学模型,直接考虑汽液两相间的传质传热。
Based on turbulent diffusion theory and the mechanism of liquid-gas interfacial mass transfer, a conceptual model of turbulent re-aeration process is proposed.
本文根据紊动扩散理论及气液界面质量传递过程,提出了紊动水体复氧过程的概化模型。
The two film mass transfer model was used to estimate the volatilization coefficients and half life of the fourteen volatile organic chemicals(VOCs) detected in Dalian Bay.
本文采用气液双膜模型和大连湾水文参数,对大连湾检测出的挥发性有机物的挥发速率常数进行估算。
As primary research of hydrate formation using water spray, the kinetic model of hydrate formation of a water droplet was suggested by analyzing the heat and mass transfer mechanism.
作为喷雾强化方式制备气体水合物的初步研究,本文通过研究静止水滴形成气体水合物过程的传热传质机理,建立气体水合物的生成动力学模型。
The resistance and mass transfer property of ultrafiltration are analyzed, and the modified model of gelatification and polarization is established for the ultrafiltration process.
同时对超滤过程的阻力及传质特性进行分析,并建立超滤过程的修正凝胶极化模型。
The coupled numerical simulation on fluid flow, heat transfer, and mass transfer in the process of laser cladding is undertaken on the basis of the continuum model.
基于统一模型对激光熔覆过程中流动、传热和传质进行了偶合数值模拟。
The Computational Mass Transfer(CMT) model is composed of the basic differential mass transfer equation, closing with auxiliary equations and the appropriate accompanying CFD formulation.
计算传质学模型由浓度输运方程及其封闭方程和相应的计算流体力学模型组成。
Based on the fact, a simplified drying model of heat and mass transfer is deduced from volume average theory.
对多孔介质体积平均理论进行简化,得到简化的热质传递干燥模型,用一个理论式表达模型中有效扩散系数。
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。
An internally cooled liquid desiccant dehumidifier was proposed and a steady state mathematical model describing the heat and mass transfer of the dehumidification process was developed.
提出了一种内冷型液体除湿器,并对该除湿器的除湿过程建立了热质交换的稳态数学模型。
Adsorption model for TP mass transfer with XDA-1 resins was set up and the height of mass transfer zone and total mass transfer coefficient in different operation conditions were calculated.
建立了XDA - 1树脂柱吸附茶多酚过程的传质模型,并根据该模型分别计算了不同操作条件下相应的物质总传质系数及传质区长度。
Mathematical model was proposed to determine rate constants of ozone self-decomposition in water and mass transfer coefficient of ozone.
根据模型可求得超声辐射条件下臭氧在水中的自分解反应速率常数和臭氧向水中的传质系数。
The influence of the working pressure on the heat and mass transfer was analyzed by this model, and the detailed process was investigated.
应用该数学模型分析了压力变化对加填料饱和器传热传质的影响,同时讨论了沿加填料饱和器高度方向的传热传质过程。
The model of SO2 absorption in the impinge stream scrubber is established based on unsteady state mass transfer reaction theory.
针对新型的液柱冲击塔,用非稳态传质反应理论建立了塔内so_2吸收过程的物理和数学模型。
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