Enhancing thermal conductivity of fluids with nano-particles
01 Jan 1995-Vol. 231, pp 99-105
About: The article was published on 1995-01-01 and is currently open access. It has received 7263 citations till now. The article focuses on the topics: Thermal conductivity & Nanoparticle.
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TL;DR: In this article, a methodology is proposed for predicting the effective thermal conductivity of dilute suspensions of nanoparticles (nanofluids) based on rheology, which uses the rheological data to infer microstructures of nanarticles quantitatively, which is then incorporated into the conventional Hamilton-Crosser equation to predict the effective TCE of nanofluid.
247 citations
TL;DR: In this article, an experimental work on the convective heat transfer of ferrofluid flowing through a heated copper tube in the laminar regime in the presence of magnetic field is reported.
246 citations
TL;DR: In this paper, a comprehensive review on the research progress on the enhancement of effective thermal conductivity and effective dynamic viscosity of nanofluids is presented, with the consideration of particle size valid in their experimental range.
Abstract: The determination of thermo-physical properties and especially thermal conductivity and viscosity were important for evaluating heat transfer coefficients either for single or two phase flow. The thermo-physical properties measurements and heat transfer observations were mostly obtained with nanoparticles above 10 nm. Various researchers measured and modelled for the determination of thermal conductivity and viscosity of nanofluids. Most of the investigators developed equations for the estimation of thermal conductivity and viscosity as a function of percentage volume concentration, temperature and sometimes with the consideration of particle size valid in their experimental range. Nanofluids are considered to have great potential for heat transfer enhancement and are applied in heat transfer processes. Many studies were carried out to investigate this phenomenon. The main aim of this study is to give a comprehensive review on the research progress on the enhancement of effective thermal conductivity and effective dynamic viscosity of nanofluids.
245 citations
TL;DR: In this paper, the thermal conductivity of Al2O3 and CuO nanofluids has been estimated experimentally at different volume concentrations and temperatures at different volumes and temperatures.
243 citations
TL;DR: In this paper, the viscosity of the nanofluid prepared by dispersing alumina nanoparticles (<50nm) in commercial car coolant was measured both as a function of alumina volume fraction and temperature between 10 and 50°C.
242 citations
Cites background from "Enhancing thermal conductivity of f..."
...For example, metallic or nonmetallic nanoparticles are dispersed into conventional heat transfer fluids such as water, glycol, and oil to make a new class of heat transfer fluids, called nanofluids, having superior properties including high thermal conductivity, long-term stability, and homogeneity [3,4]....
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