The effect of a cationic surfactant on turbulent flow patterns

被引：3
|
作者：
Hetsroni, G
Mosyak, A
Talmon, Y
Bernheim-Groswasser, A
Zakin, JL
机构：
[1] Technion Israel Inst Technol, Dept Mech Engn, IL-32000 Haifa, Israel
[2] Ben Gurion Univ Negev, Dept Chem Engn, IL-84105 Beer Sheva, Israel
[3] Ohio State Univ, Dept Chem Engn, Columbus, OH 43210 USA
来源：
JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME | 2003年 / 125卷 / 05期
关键词：
heat transfer; microstructures; non-Newtonian; polymers; rheological; thermal; turbulence; visualization; vortex;
D O I：
10.1115/1.1609482
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The thermal pattern on a heated wall was studied for the flow of water and drag-reducing surfactant solutions in a channel. The wall of the channel was made of a thin foil, which was heated by direct current. The temperature of the foil, which reflects the local flow velocities, was measured by an infrared technique with high spatial and temperature resolution. The microstructure of the surfactant solution was studied by direct imaging cryogenic temperature transmission electron microscopy (Cryo-TEM). The most prevalent structures observed are thread-like micelles, which have been suggested to cause the modification of the thermal patterns.
引用
收藏
页码：947 / 950
页数：4
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