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https://hdl.handle.net/2440/65428
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Type: | Conference paper |
Title: | Modelling the thermal conductivity of nanofluids |
Author: | Tillman, P. Hill, J. |
Citation: | IUTAM Symposium on the Mechanical Behaviour and Micromechanics of Nanostructured Materials:proceedings of the IUTAM symposium held in Beijing, China, June 27-30, 2005, 2007 / Y. Bai, Q. Zheng and Y. Wei (eds.): pp. 105-118 |
Publisher: | Springer |
Publisher Place: | Michigan, USA |
Issue Date: | 2007 |
ISBN: | 9781402056239 |
Conference Name: | IUTAM Symposium on the Mechanical Behaviour and Micromechanics of Nanostructured Materials (2005 : Beijing, China) |
Statement of Responsibility: | P. Tillman and J.M. Hill |
Abstract: | The interaction of nano particulates with conventional materials generally has the effect of dramatically changing all the physical parameters of the material, which normally characterize the bulk material. The nanoparticles themselves constitute highly reactive isolated sites, to the extent that the electronic structure of the nano composite is changed, and accordingly all the physical properties, such as thermal, mechanical, electrical, magnetic and optical become different from those of the bulk materials. In fact generally, the smaller the particles, the greater the quantum effects, which means greater changes to the bulk physical properties of the nano-composite, and this phenomenon is widely accepted as not being properly understood. Nanofluids are simply standard fluids such as water, engine oil, ethylene glycol and toluene, but including a small volume percentage, usually less than 5% of evenly dispersed nanoparticles, which are usually metallic. In this paper, we present a survey of some of the attempts to model the enhanced thermal conductivity of such nanofluids, and address issues such as the nanoparticles themselves, the surrounding layer, cluster structure, the fluid environment, and the different heat transport processes at the micro and nano scales. |
Keywords: | heat transfer thermal conductivity mathematical model nanoparticle nanolayer cluster nanofluid |
Rights: | Copyright 2007 Springer |
DOI: | 10.1007/978-1-4020-5624-6_11 |
Published version: | http://dx.doi.org/10.1007/978-1-4020-5624-6_11 |
Appears in Collections: | Aurora harvest 5 Mathematical Sciences publications |
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