Nanofluids Archives - Thermtest Inc.

The viscosity and thermal conductivity of ethane in the limit of zero density

Author(s): E. Vogel, J. Millat, S. Hendl, V. Vesovic, William A. Wakeham

New independent representations of the viscosity and thermal conductivity of ethane in the limit of zero density. For viscosity, the correlation is over the temperature range of 200 to 1000 K, with ...

Keywords: density, ethane, Finite Element Method (FEM), Liquids, low uncertainty, Nanofluids, Thermal Conductivity, THW, Transient Hot-Wire, viscosity

The Apparent Thermal Conductivity of Liquids Containing Solid Particles of Nanometer Dimensions: A Critique

Author(s): Georgia J. Tertsinidou, Marc J. Assael, William A. Wakeham

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, ...

Keywords: Al2O3, Cu, CuO, dispersants, Ethylene glycol, liquid, Nanofluids, Nanoparticles, thermal conductance, Thermal conductivity enhancement, THW, TiO2, transient hot wire method, Transient Hot-Wire, Water

Potential applications of nanofluids for heat transfer

Author(s): Konstantinos D. Antoniadis, Marc J. Assael, William A. Wakeham, Xing Zhang

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 ...

Keywords: Heat Transfer, heating, liquid, Nanofluids, Nanoparticles, Phase change, Thermal Conductivity, THW, Transient Hot-Wire, viscosity

Thermal conductivity of nanofluids – Experimental and Theoretical

Author(s): D. Konstadinou, I. N. Metaxa, K. Kakosimos, Marc J. Assael

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 ...

Keywords: Carbon Nanotube, Copper, Finite Element Method (FEM), Heat Transfer, Multiwalled carbon nanotubes (MWCNT), Nanofluids, Nanoparticles, Thermal Conductivity, THW, Transient Hot-Wire

Investigation of the Thermal Conductivity and the Viscosity of Carbon Black Heat Transfer Nanofluids

Author(s): D. Hume, F. Chibante, L. Romero-Zeron, S. K. Mylona

Seven distinct samples of nanofluids consisting of different concentrations of spherical graphitized carbon black in an ethylene glycol solution were analyzed to determine their thermal and rheological behavior. The thermal ...

Keywords: carbon black, Ethylene glycol, Nanofluids, Temperature, Thermal Conductivity, Thermal conductivity of nanofluids, THW, Transient Hot-Wire (THW) Technique, viscoelastic, viscosity

New Measurements of the Apparent Thermal Conductivity of Nanofluids and Investigation of Their Heat Transfer Capabilities

Author(s): Chrysi M. Tsolakidou, Georgia J. Tertsinidou, Marc J. Assael, Maria Pantzali

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 ...

Keywords: Ethylene glycol, Finite Element Method (FEM), finite-element method, Hot Disk, multi-walled carbon nanotubes, Nanofluids, Nanoparticles, Nanotubes, Thermal Conductivity, Thermal Conductivity Analyzer, Thermal Constants Analyzer, Transient Hot Wire (THW) Instrument, Transient Hot-Wire, Transient plane source (TPS) technique, Transmission Electron Miscoscopy (TEM), Water

Rheological and Thermal Transport Characteristics of a Transformer Oil Based Ferrofluid

Author(s): B. Sundén, J. Tóthová, K. Paulovičová, L. Wadsö, M. Rajňák, M. Timko, P. Kopčanský, T. Tobiáš, V. Lisý, Z. Wu

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 ...

Keywords: ferrofluid, iron oxide, Nanofluids, Nanoparticles, oil, Thermal Conductivity, transformer oil, Transient plane source (TPS) method

Nitrogen doped hybrid carbon based composite dispersed nanofluids as working fluid for low-temperature direct absorption solar collectors

Author(s): Ramaprabhu Sundara, Rashmi Shende

This article studied the thermal conductivity of deionized (DI) water and ethylene glycol (EG) based nanofluids with varying temperatures for different volume fractions of N-(rGO-MWNTs) (nitrogen doped hybrid structure ...

Keywords: graphene, Hot Disk, MWNTs, Nanofluids, Solar Collectors, Thermal Conductivity, Transient plane source (TPS) method

Enhancement of heat transport in oscillating heat pipe with ternary fluid

Author(s): Ming Zhang, Wei Han, Xianmin Guo, Xinjun Su

An oscillating heat pipe (OHP) is a pipe that transports heat from the evaporator to the condenser via a complex pulsating action. Nanofluids and self-wetting fluids can be used to ...

Keywords: composites, electronics, Hot Disk, Nanofluids, Oscillating heat pipe, Self-rewetting fluids, Thermal Conductivity, Transient plane source (TPS)

The characteristics of convective heat transfer in microchannel heat sinks using Al2O3 and TiO2 nanofluids

Author(s): Guodong Xia, Jinggang Wang, Mo Du, Ran Liu

Nanofluids are heat transfer fluids with enhanced thermal conductivity properties due to the addition of metallic-based nanoparticles. In this study, the thermal properties of Al¬2O3 and TiO2 nanofluids were ...

Keywords: Convection heat transfer, Hot Disk, Infrared thermal camera, Microchannel heat sink, Nanofluids, Thermal Conductivity, Transient plane source (TPS), Transient plane source (TPS) method

Keyword: Nanofluids