Flow drag and heat transfer characteristics of drag-reducing nanofluids with CuO nanoparticles

被引：2
|
作者：
Wang, Ping-Yang [1 ]
Wang, Xue-Jiao [1 ]
Liu, Zhen-Hua [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mech Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
来源：
HEAT AND MASS TRANSFER | 2017年 / 53卷 / 02期
基金：
中国国家自然科学基金;
关键词：
SURFACTANT SOLUTION; TRANSFER ENHANCEMENT; CHANNEL FLOW; TRANSPORT;
D O I：
10.1007/s00231-016-1787-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A new kind of aqueous CuO nanofluid with drag-reducing performance was developed. The new working fluid was an aqueous CTAC (cetyltrimethyl ammonium chloride) solution with CuO nanoparticles added and has both special effects of drag-reducing and heat transfer enhancement. An experiment was carried out to investigate the forced convective flow and heat transfer characteristics of conventional drag reducing fluid (aqueous CTAC solution) and the new drag-reducing nanofluid in a test tube with an inner diameter of 25.6 mm. Results indicated that there were no obvious differences of the drag-reducing characteristics between conventional drag reducing fluid and new drag-reducing nanofluid. However, their heat transfer characteristics were obvious different. The heat transfer characteristics of the new drag-reducing nanofluid significantly depend on the liquid temperature, the nanoparticle concentration and the CTAC concentration. The heat transfer enhancement technology of nanofluid could be applied to solve the problem of heat transfer deterioration for conventional drag-reducing fluids.
引用
收藏
页码：377 / 385
页数：9
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