摘要
Initial dropwise condensation of moist air on a hydrophobic self-assembled monolayer(SAM)surface was investigated with a high speed camera and a microscope.The transient initial droplet size distribution and the growth of micro-droplets by direct condensation on the surface without coalescence were analyzed from the concept of molecular clustering.Based on the general characteristics of nucleation of dropwise condensation,a molecular clustering physical model was proposed to describe the state of steam molecules in the bulk steam phase before condensing on the cooled surface.
Initial dropwise condensation of moist air on a hydrophobic self-assembled monolayer（SAM）surface was investigated with a high speed camera and a microscope.The transient initial droplet size distribution and the growth of micro-droplets by direct condensation on the surface without coalescence were analyzed from the concept of molecular clustering.Based on the general characteristics of nucleation of dropwise condensation,a molecular clustering physical model was proposed to describe the state of steam molecules in the bulk steam phase before condensing on the cooled surface.
出处
《化工学报》
EI
CAS
CSCD
北大核心
2010年第4期839-843,共5页
CIESC Journal
基金
国家自然科学基金项目(50776012
50906006)
教育部新世纪优秀人才基金项目(NCET-05-0280)~~
关键词
初始滴状冷凝
尺寸分布
分子团聚
initial dropwise condensation
droplet size distribution
molecular clustering
