The thermal conductivity, viscosity, and stability of nanofluids were evaluated to determine how varying experimental conditions can affect these properties. It was determined that increasing the concentration, temperature, and time ...Read More
Author(s): Javier Artemio NarvaezTransient Plane Source
Three techniques were compared for the determination of thermal conductivity in poly-alpha-olefin (PAO)-based nanofluids. The three methods that were used were the transient hot wire, transient plane source, and ...Read More
The authors have dispersed mesoporous silica (MPSiO2) nanoparticles in water and determined the thermal conductivity for each of the resulting nanofluids. It was determined that the thermal conductivity of the ...
Keywords: Fourier transform infrared spectroscopy (FTIR), Fourier-Transform Infrared Spectroscopy, FTIR, Mesoporous Silica, Nanofluids, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, transient plane source method, Transmission electron microscopy, Transmission electron microscopy (TEM), Zeta Potential AnalysisRead More
Combined effect of physical properties and convective heat transfer coefficient of nanofluids on their cooling efficiency
The authors have developed a model for the estimation of how a nanofluid will work as a coolant without having to perform a number of experiments. The nanofluids used in ...
Keywords: Analyzer, Critical Temperature, Nanofluids, Thermal Conductivity, THW, TPS Analyzer, transient hot wire (THW) method, Transient Hot-Wire, Transient Plane Source, Transient Plane Source (TPS) Analyzer, viscosityRead More
Two series of nanofluids were prepared by the researchers, using water as the carrier fluid, and Al2O3 and TiO2 as the nanoparticles; up to 6% particle volume fraction was used. ...
Keywords: Angular Position, Dynamic Viscosity, Nanofluids, Nanoparticles, Nanorefrigerants, Particle Cluster Size, Particle Diameter, Purity, Structure, Thermal Conductivity, Thermal Diffusivity, Torque, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, volume fractionRead More
Experimental analysis of heat transfer and friction factor of nanofluid as a coolant in a corrugated plate heat exchanger
Al2O3 nanofluids were prepared with 2, 3, and 4 vol% Al2O3 nanoparticles in water for use as a coolant in plate heat exchangers. Using the transient plane source (TPS) technique, the ...Read More
The authors used the transient plane source (TPS) technique to investigate the effect of pH on nanofluid thermal conductivity and viscosity. Cu and Al2O3 nanoparticles were dispersed in ...Read More
An experimental investigation of enhanced thermal conductivity and expedited unidirectional freezing of cyclohexane-based nanoparticle suspensions utilized as nano-enhanced phase change materials (NePCM)
Through the addition of copper oxide nanoparticles to cyclohexane in varying concentrations, a series of nano-enhanced phase change materials (NePCM) were prepared. The transient plane source (TPS) technique was used ...
Keywords: Copper, Mass Concentrations, Nano-Enhanced, Nanofluids, Nanoparticles, One-Dimensional Stefan Model, pcms, phase change materials, Thermal Conductivity, TPS Technique, Transient Plane Source, Transient plane source (TPS) method, Unidirectional FreezingRead More
Analysis of factors influencing thermal conductivity and viscosity in different kinds of surfactant solutions
Surfactants are often used in nanofluids to help improve dispersion and prevent aggregation of the resident nanoparticles. In this study, the researchers used the transient plane source (TPS) technique to ...Read More
In this article, the authors look at and compare the different methods that can be used for the measurement of thermal conductivity of nanofluids. These methods include THW and TPS ...
Keywords: Cylindrical Cell Method, Measurement of Thermal Conductivity of Liquids, Nanofluids, Steady-State Parallel-Plate Method, Technique, TEM, Temperature Oscillation Technique, Thermal Comparator Method, Thermal Conductivity, THW, Transient Hot-Wire, Transient Hot-Wire (THW) Technique, Transmission electron microscopy, Transmission electron microscopy (TEM), X-ray Diffraction, X-ray diffraction (XRD), XRDRead More