Zeta Potential Archives - Thermtest Inc.

Experimental Measurements of Thermophysical Properties of Al2O3– and TiO2–Ethylene Glycol Nanofluids

Author(s): Claudio Zilio, Giovanni A. Longo

The thermal conductivity and dynamic viscosity of Al2O3-ethylene glycol and TiO2-ethylene glycol nanofluids have been determined as a function of the nanoparticle volume fraction (from 1 to 3 %) and ...

Keywords: Cluster Size Distribution, DLS, Dynamic Light Scattering, Dynamic Light Scattering (DLS) Nano-Sizer Apparatus, Glycol, Nano-Sizer Apparatus, Nanofluids, Nanoparticles, TEM, Thermal Conductivity, transient plane source method, Transmission Electronic Microscope, Transmission Electronic Microscope (TEM), viscosity, Zeta Potential

In-situ synthesis and attachment of colloidal ZnO nanoparticles inside porous carbon structures

Author(s): Adrian Mihail Motoc, Alain Celzard, Elena Palomo del Barrio, Ioan Albert Tudor, Mirela Petriceanu, Prasanta Jana, Radu Robert Piticescu, Vanessa Fierro, Viorel Badilita

This study investigates the properties of a material to be used as an energy storage medium that can use energy stored from the summer months, and then release it during ...

Keywords: Carbon Foams, chemical synthesis, decomposition of urea, Differential scanning calorimetry (DSC), hydrothermal impregnation process, hydrothermal synthesis process, interface interactions, morphology, Nanoparticles, nanostructures, pcms, phase change materials, Scanning Electron Microscopy (SEM), sugar alcohols, Temperature, Thermal Conductivity, thermal energy storage, Transient plane source (TPS), Transient plane source (TPS) method, Zeta Potential, Zinc Carbonate Hydroxide Hydrate (ZCHH), zinc hydroxide (ZnOH), zinc oxide (ZnO)

Study on dispersion behavior and thermal conductivity of Cu-H2O nanofluids

Author(s): Dong-Sheng Zhu, Hua Li, Nan Wang, Shou Yang, Xian-Ju Wang, Xin-Fang Li

The addition of Cu nanoparticles to water was studied at different pH values and different dispersant concentrations by the measurement of zeta potential and absorbency. Thermal conductivity was measured by ...

Keywords: Copper, Dispersant Concentration, Hamilton-Crosser Model, Nanofluids, Nanoparticles, pH, Thermal Conductivity, Weight Fraction, Zeta Potential

The adsorption of cationic surfactants on BN surface: Its effects on the thermal conductivity and mechanical properties of BN-epoxy composite

Author(s): Hathaikarn Manuspiya, Karnthidaporn Wattanakul, Nantaya Yanumet

Four different cationic surfactants were allowed to adsorb on boron nitride (BN) over the pH range of 5.5 to 8 in separate experiments. The authors talk about the orientation of the surfactant ...

Keywords: Analytical Chemistry, BN, BN/Epoxy Composites, boron nitride, Cationic Surfactants, Dodecyltrimethylammonium Bromide, Dodecyltrimethylammonium Bromide (DTAB), DTAB, Epoxy, Epoxy Composites, Hexadecyltrimethylammonium Bromide, Hexadecyltrimethylammonium Bromide (HTAB), HTAB, isoelectric point, Octadecyltrimethyl ammonium Bromide, Octadecyltrimethyl ammonium Bromide (OTAB), OTAB, pH, Surfactant Adsorption, Tetradecyltrimethylammonium Bromide, Tetradecyltrimethylammonium Bromide (TTAB), Thermal Conductivity, TTAB, Zeta Potential

Viscosity and thermal conductivity measurements of water-based nanofluids containing titanium oxide nanoparticles

Author(s): Laura Colla, Laura Fedele, Sergio Bobbo

This article looks at the thermal properties of titanium oxide (TiO2) based nanofluids and their applications as thermal vectors. The nanoparticle size was studied by dynamic light scattering (DLS) and ...

Keywords: DLS, Dynamic Light Scattering, Dynamic Light Scattering (DLS), Heat Transfer, Nanofluids, Nanoparticles, Rheometer, Thermal Conductivity, Thermal Vectors, viscosity, Zeta Potential

Effects of pH on heat transfer nanofluids containing ZrO2 and TiO2 nanoparticles

Author(s): Carine Tchamakam Wamkam, Haiping Hong, Michael Kwabena Opoku, Pauline Smith

This study looks at the effects of pH on heat transfer, among other things, of nanofluids. Over 20% enhancement of thermal conductivity was noted with nanofluids containing 3wt% zirconium dioxide and ...

Keywords: Heat Transfer, IEP, isoelectric point, isoelectric point (IEP), Nanofluids, Nanoparticles, particle size, pH, precipitate, repulsive forces, rheology, Thermal Conductivity, Thermal properties testing, TiO2, titanium dioxide, Titanium dioxide (TiO2), TPS, Transient Plane Source, Transient plane source (TPS) method, viscosity, Zeta Potential, zirconium dioxide, zirconium dioxide (ZrO2), ZrO2

Influence of pH and SDBS on the Stability and Thermal Conductivity of Nanofluids

Author(s): Shuo Yang, Xian-Ju Wang, Xin-Fang Li, Xinfang Li

This experiment outlined an investigation into heat transfer of two water-based nanofluids; H2O-Al2O3 and H2O-Cu. The absorbency and thermal conductivity of both nanofluids was measured under various ...

Keywords: absorbency, Copper, H2O-Al2O3, H2O-Cu, Heat Transfer, Nanofluids, Nanoparticles, nanosuspensions, pH, SDBS, sodium dodecylbenzene sulfonate, sodium dodecylbenzene sulfonate (SDBS), Thermal Conductivity, water based, Zeta Potential

Thermal Conductivity Enhancement Dependent pH and Chemical Surfactant for Cu-H2O Nanofluids

Author(s): D. S. Zhu, H. Li, J. W. Gao, N. Wang, X. F. Li, X. J. Wang

Thermal conductivity of heating and cooling fluids with added nanoparticles dubbed 'nanofluids' are used as potential to improve the efficiency of heat transfer fluids using the Hot Disk Thermal Constants ...

Keywords: Brownian Motion, Copper, Heat Transfer, Liquid Layering, nano-suspensions, Nanofluids, Nanoparticles, pH, Resistance, Specific Heat, Surfactant Concentrations, TEM, Temperature, Thermal Conductivity, Transmission Electron Micrograph, Transmission Electron Micrograph (TEM), Ultrasonification, Weight Fraction, Zeta Potential

Keyword: Zeta Potential

Experimental Measurements of Thermophysical Properties of Al2O3– and TiO2–Ethylene Glycol Nanofluids

In-situ synthesis and attachment of colloidal ZnO nanoparticles inside porous carbon structures

Study on dispersion behavior and thermal conductivity of Cu-H2O nanofluids

The adsorption of cationic surfactants on BN surface: Its effects on the thermal conductivity and mechanical properties of BN-epoxy composite

Viscosity and thermal conductivity measurements of water-based nanofluids containing titanium oxide nanoparticles

Effects of pH on heat transfer nanofluids containing ZrO2 and TiO2 nanoparticles

Influence of pH and SDBS on the Stability and Thermal Conductivity of Nanofluids

Thermal Conductivity Enhancement Dependent pH and Chemical Surfactant for Cu-H2O Nanofluids

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