Paul, G and Sarkar, S and Pal, T and Das, P K and Manna, Indranil (2012) Concentration and size dependence of nano-silver dispersed water based nanofluids. Journal of Colloid and Interface Science, 371. pp. 20-27. ISSN 0021-9797

[img] PDF - Published Version
Restricted to Registered users only

Download (637Kb) | Request a copy

Abstract

Nanometric silver dispersed water based nanofluids have been prepared by a single-step chemical process. The crystallite/particle size, morphology and purity of nanoparticles were characterized using standard microscopic, diffraction and spectroscopic techniques. The thermal conductivity enhancement (with respect to the base fluid) has been determined as a function of concentration and size of silver particles using transient hot-wire technique. The accurate fitting of the experimental data of thermal conductivity enhancement with a theoretical model developed by Patel et al. [24] predicts that high specific surface area of the particles, layering at the liquid-solid interface and Brownian motion may be responsible for enhancement. (C) 2011 Elsevier Inc. All rights reserved.

Item Type: Article
Uncontrolled Keywords: Nanofluid; Transient hot-wire; Concentration; Particle size; Brownian motion
Subjects: Crystal Chemistry, Thermodynamics, Phase Equilibria
Divisions: Director´┐Żs Secretariat
Depositing User: Bidhan Chaudhuri
Date Deposited: 04 Jun 2012 11:00
Last Modified: 04 Jun 2012 11:00
URI: http://cgcri.csircentral.net/id/eprint/1467

Actions (login required)

View Item View Item