期刊论文

中文

热加工工艺

1001-3814

2012

41

10

133-135

10.14158/j.cnki.1001-3814.2012.10.002

湖南省科学技术厅资助项目(2011FJ3186)；

本校为第一机构

采用激光表面处理的方法,优化激光工艺参数,对激光改性表面的冷凝换热特性进行了实验比较研究。发现了激光表面改性换热管促进了滴状冷凝形态特性,提高了凝结换热系数;通过对改性层组织结构的观察与分析,促进了滴状冷凝的机理分析和研究,为激光表面改性强化冷凝换热性能研究提供指导。

Dropwise condensation on laser modified tube surface was investigated.The experimental results of heat transfer revealed show that dropwise condensation can be formed on the laser modified tube surface with optimum process parameters.In addition,the mechanism of dropwise condensation facilitated by laser treatment tube surface was analyzed by the observation and analysis of microstructure of the modified layer.All the work provides scientific basis...