Huge thermal conductivity enhancement in boron nitride - ethylene glycol nanofluids

被引：45
作者：
Zyla, Gawel [1 ]
Fal, Jacek [1 ]
Traciak, Julian [1 ]
Gizowska, Magdalena [2 ]
Perkowski, Krzysztof [2 ]
机构：
[1] Rzeszow Univ Technol, Dept Phys & Med Engn, PL-35905 Rzeszow, Poland
[2] Inst Ceram & Bldg Mat, Dept Nanotechnol, PL-02676 Warsaw, Poland
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2016年 / 180卷
关键词：
Nanostructures; Nitrides; Thermal conductivity; Thermal properties; RHEOLOGICAL BEHAVIOR; POLYMERIC COMPOSITES; TRANSPORT-PROPERTIES; NANOTUBES; VISCOSITY; TEMPERATURES; DIFFUSIVITY; DISPERSION; SIZE;
D O I：
10.1016/j.matchemphys.2016.06.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Paper presents the results of experimental studies on thermophysical properties of boron nitride (BN) plate-like shaped particles in ethylene glycol (EG). Essentially, the studies were focused on the thermal conductivity of suspensions of these particles. Nanofluids were obtained with two-step method (by dispersing BN particles in ethylene glycol) and its' thermal conductivity was analyzed at various mass concentrations, up to 20 wt. %. Thermal conductivity was measured in temperature range from 293.15 K to 338.15 K with 15 K step. The measurements of thermal conductivity of nanofluids were performed in the system based on a device using the transient line heat source method. Studies have shown that nanofluids' thermal conductivity increases with increasing fraction of nanoparticles. The results of studies also presented that the thermal conductivity of nanofluids changes very slightly with the increase of temperature. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：250 / 255
页数：6
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