降膜吸收器热质传递影响因素及强化方法研究进展  

Research progress on influence factors and enhancement methods of heat and mass transfer in falling film absorbers

作　　者：杨文豪 位兴华 赵日晶 黄东[1] YANG Wenhao;WEI Xinghua;ZHAO Rijing;HUANG Dong(School of Energy and Power Engineering,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]西安交通大学能源与动力工程学院,陕西西安710049

出　　处：《应用化工》2024年第8期1868-1873,共6页Applied Chemical Industry

基　　金：国家自然科学基金(51876154)。

摘　　要：从降膜吸收器热质传递影响因素和强化方法两方面综述了近年来的研究进展。在影响因素方面,对管间距和管径、溶液入口流量、温度及浓度、换热表面覆盖率、冷却水温度及流量和水蒸气压力进行了阐述。在强化方法方面,总结了在吸收剂中使用添加剂及降膜吸收器换热表面优化的方法。通过分子动力学模拟来解释添加剂对热质传递的影响机理及综合多种方法强化热质传递成为下一阶段的研究方向。This paper summarized recent research progress on the influencing factors and the enhancement methods of heat and mass transfer in falling film absorbers.In terms of influencing factors,this paper discussed tube spacing and diameter,solution inlet flow rate,temperature and concentration,coverage ratio of heat transfer surface,cooling water temperature and flow rate and water vapor pressure.In terms of enhancement methods,this paper summarized the methods of using additives in absorbent and optimizing the heat transfer surface of falling film absorbers.The research direction of the next stage will be to explain the influence mechanism of additives on heat and mass transfer through molecular dynamics simulation and enhance heat and mass transfer by integrating various methods.

关 键 词：降膜吸收器 热质传递 影响因素 强化方法 

分 类 号：TQ11[化学工程—无机化工]