Drag-reducing characteristics of cationic surfactant solution flow in copper pipe
ZHU Meng-sheng1, ZOU Ping-hua1, CAO Hui-zhe1, CAI Wei-hua2, LI Feng-chen2
1.School of Municipal and Environmental Engineering,Harbin Institute of Technology,Harbin 150001,China;2.School of Energy Science and Engineering,Harbin Institute of Technology,Harbin 150001,China
Abstract:
The drag-reducing characteristics of a cationic surfactant solution flow in copper pipe have been investigated experimentally.The tested drag-reducing fluid was an aqueous solution of the cationic surfactant cetyltrimethyl ammonium chloride(CTAC).The experimental results show that the maximum drag reduction percentage reduces with the increase of fluid temperature at low concentration of CTAC,such as 100×10-6 or 150×10-6.Furthermore,the concentration and temperature changes of CTAC solution have significant influences on the drag-reducing ability.The drag-reducing effect of CTAC additives shows great potentials in the application in a district heating/cooling(DHC)system,especially for the radiant floor heating(RFH)system.
Key words: drag-reducing characteristics cationic surfactant solution experimental study
DOI：10.11916/j.issn.1005-9113.2010.06.018
Clc Number:TK124
Fund:
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Drag-reducing characteristics of cationic surfactant solution flow in copper pipe
本站小编 哈尔滨工业大学/2019-10-23
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