文献类型：会议论文

英文题名：Fouling characteristics of sintered porous surface tubes for heat exchangers in sodium chloride solution

作者：Liu, Along[1];Xu, Hong[1];Sun, Yan[1];Wang, Hongzhi[1];Zhang, Li[1];Liu, Jinglei[1];Wang, Xuesheng[1]

机构：[1]E China Univ Sci & Technol, Sch Mech & Power Engn, Lab Proc Intensificat & Safety Engn, Shanghai 200237, Peoples R China

会议论文集：5th Fracture Mechanics Symposium (FM 2007)

会议日期：OCT 31-NOV 05, 2007

会议地点：Changsha, PEOPLES R CHINA

语种：英文

外文关键词：heat exchanger; fouling; porous surface tubes; copper-nickel; sodium chloride (NaCl)

摘要：The characteristics of sodium chloride (NaCl) crystallization fouling on sintered copper-nickel porous surface tubes (SCPST) and smooth surface tubes (SST) with copper-nickel base for heat exchangers were investigated systematically through solving the critical fouling concentration and the critical recirculation rate of NaCl with the electrical heating. Experimental results showed that SCPST had better capability on anti-fouling than that of SST when the concentration of NaCl was less than 29%. Critical fouling concentration gradually decreased with the increase of heat flux. It was found that SCPST won't foul when the NaCl solution concentration was below the critical value. Finally, the relationship between flux and critical recirculation rate has been obtained by the regression analysis based on experimental data.