Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h<sub>D</sub> separative evaluation method

YIN Yonggao; ZHANG Xiaosong

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Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h_D separative evaluation method

更新时间：2025-12-10

- Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h_D separative evaluation method
- CIESC Journal Issue 1, Pages: 6-11(2008)
- 作者机构：
  
  东南大学能源与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 January 2008，
  
  Published：05 January 2008
- 稿件说明：
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YIN Yonggao, ZHANG Xiaosong. Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h_D separative evaluation method[J]. CIESC Journal, 2008, (1): 6-11.
DOI：

YIN Yonggao, ZHANG Xiaosong. Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h_D separative evaluation method[J]. CIESC Journal, 2008, (1): 6-11. DOI：

摘要

溶液除湿过程是溶液除湿空调系统中的一个非常重要的耦合传热传质过程。本文对填料塔结构的溶液除湿器建立了一种NTU-Le模型，并基于此模型得到了溶液除湿过程传热传质特性——Lewis数对空气出口含湿量基本无影响，提出一种溶液除湿耦合热质传递过程的热质传递解耦方法——Le -hD分离测量法，来测定溶液除湿过程的耦合传热传质系数。

Abstract

Liquid desiccant dehumidification process is an important process of liquid desiccant air conditioning systems with coupled heat and mass transfer.The NTU-Le model was developed to describe the liquid desiccant dehumidification process in this paper

and according to the model the characteristics of liquid desiccant dehumidification were presented. Lewis number Le had little effect on outlet air humidity ratio.Based on the characteristics a new method called Le-hD separative evaluation method was developed for determining coupled heat and mass transfer coefficients between air and liquid desiccant.

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Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-hD separative evaluation method

DOI：

摘要

Abstract

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Keywords

references

Heat and mass transfer coefficients based on decoupling characteristics of heat and mass transfer between liquid desiccant and air (Ⅰ)NTU-Le model and Le-h_D separative evaluation method