蒸汽在细微颗粒表面异质核化研究进展  

Progress and prospect in the study of heterogeneous nucleation of vapor on fine particles

作　　者：凡凤仙[1] 杨林军[2] 袁竹林[2] 

机构地区：[1]上海理工大学动力工程学院,上海200093 [2]东南大学能源与环境学院,江苏南京210096

出　　处：《化工进展》2009年第9期1496-1500,共5页Chemical Industry and Engineering Progress

基　　金：国家重点基础研究发展计划(2002CB211604);国家自然科学基金(20576020)资助项目

摘　　要：总结了蒸汽在细微颗粒表面异质核化理论的发展与实验研究状况,将异质核化理论归纳为经典异质核化理论、密度函数理论、分子动力学MonteCarlo理论,分析了这3种理论的特点。结合蒸汽相变技术在控制燃烧源PM2.5排放上的应用,指出进行过饱和蒸汽在燃烧源PM2.5表面异质核化研究的意义与方法。The theoretical developments and experimental study status of vapor nucleation on fine particles are reviewed. The heterogeneous nucleation theories are summarized as the classical heterogeneous nucleation theory, the density functional theory and the molecular dynamics Monte Carlo theory, and their characteristics of the three theories are analyzed. Combined with the application of water vapor heterogeneous condensation in emission control of PM2.5 from combustion, the purports and methods for the study of heterogeneous nucleation and condensation of supersaturated vapor on fine particulates are presented.

关 键 词：细微颗粒(PM2.5) 蒸汽相变 异质核化 

分 类 号：X513[环境科学与工程—环境工程]