Effect of aggregation on thermal conduction in colloidal nanofluids

被引:870
|
作者
Prasher, Ravi
Evans, William
Meakin, Paul
Fish, Jacob
Phelan, Patrick
Keblinski, Pawel
机构
[1] Intel Corp, Chandler, AZ 85226 USA
[2] Rensselaer Polytech Inst, Dept Mech Engn, Troy, NY 12180 USA
[3] Lockheed Martin Corp, Schenectady, NY 12301 USA
[4] Idaho Natl Lab, Ctr Adv Modeling & Simulat, Idaho Falls, ID 83415 USA
[5] Arizona State Univ, Dept Mech & Aerosp Engn, Tempe, AZ 85287 USA
关键词
TRANSPORT;
D O I
10.1063/1.2360229
中图分类号
O59 [应用物理学];
学科分类号
摘要
Using effective medium theory the authors demonstrate that the thermal conductivity of nanofluids can be significantly enhanced by the aggregation of nanoparticles into clusters. Predictions of the effective medium theory are in excellent agreement with detailed numerical calculation on model nanofluids involving fractal clusters and show the importance of cluster morphology on thermal conductivity enhancements. (c) 2006 American Institute of Physics.
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页数:3
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