In the past twenty years, the behavior of the apparent
thermal conductance of two or three phase systems comprised of solid particles with nanometer dimensions suspended in fluids, dubbed nanofluids, has been greatly contested in literature. After the study of the seven simplest nanofluids, Cu, CuO, Al
2O
3, and TiO
2 suspended in water and ethylene glycol, ...
Author(s): Georgia J. Tertsinidou, Marc J. Assael, William A. Wakeham
Multiple studies claiming the usefulness of
nanofluids for the enhancement of heat transport have been proven ill-founded. Although they have significantly raised thermal conductivities, there is an inerrant increase in viscosity when adding nanoparticles to a liquid. This paper explores areas of research that analyze nanofluid properties that could potiential indicate future applications. A promising direction is using particles that can change ...
Author(s): Konstantinos D. Antoniadis, Marc J. Assael, William A. Wakeham, Xing Zhang
The use of the transient hot wire method has previously displayed that the
thermal conductivity of fluids can be significantly increased by introducing nano-particles. The paper discusses the known methods for predicting the thermal conductivity and finding correlations amongst data. When preforming initial simulations employing the Finite Element Method (FEM), this paper shows that there is still substantial experimental progress to be ...
Author(s): D. Konstadinou, I. N. Metaxa, K. Kakosimos, Marc J. Assael
This article studied the thermal conductivity values and measurements for the following two systems using the transient hot wire (THW) and transient plane source (TPS) techniques: ethylene glycol with added CuO, TiO
2, or Al
2O
3 nanoparticles and water with added TiO
2 or Al
2O
3 nanoparticles or multiwall carbon nanotubes (MWCNTs). A TPS technique using a thermal conductivity analyzer ...
Author(s): Chrysi M. Tsolakidou, Georgia J. Tertsinidou, Marc J. Assael, Maria Pantzali
This article studied the flow and thermal transport characteristics of a ferrofluid based on transformer oil (Mogul Trafo CZ-A) and iron oxide nanoparticles. The thermal conductivity, specific heat, and thermal diffusivity were calculated using the transient plane source (TPS) method and a thermal constants analyzer was used for performing the measurements. It was found that the presence of the magnetic nanoparticles in the transformer oil (3%) increased its thermal conductivity by ...
Author(s): B. Sundén, J. Tóthová, K. Paulovičová, L. Wadsö, M. Rajňák, M. Timko, P. Kopčanský, T. Tobiáš, V. Lisý, Z. Wu
