You searched for carbon nanotubes

Thermal Conductivity of Suspensions of Carbon Nanotubes in Water

Author(s): Ifigeneia Metaxa, Marc J. Assael, William A. Wakeham

An investigation on the enhancement of the thermal conductivity of water with the addition of multiwalled carbon nanotubes, (C-MWNT). C-MWNT occupied 0.6% of the volume in the test sample for every ...

Keywords: acidity, Carbon Nanotube, multi-walled carbon nanotubes, Nanofluid, Sodium dodecyl sulfate (SDS), steam, Thermal Conductivity, THW, Transient Hot-Wire, Water

Thermal properties of carbon nanotube reinforced metal composites

Author(s): Andre Boden

The application of carbon nanotubes (CNT) to thermal management devices has recently drawn much attention. This study produced and examined metal-carbon nanotube composites for use in highly conductive yet stable ...

Keywords: Carbon nanotubes, metal composites, Thermal Conductivity, thermal management, Thermophysical properties, Transient plane source (TPS), Transient plane source (TPS) method

Effects of hybrid nanofluid mixture in plate heat exchangers

Author(s): Bengt Sunden, Dan Huang, Zan Wu

In this study, multi-walled carbon nanotubes (MWCNTs) were added to Al2O3/water nanofluids to determine their heat transfer and temperature drop properties compared to water and Al2O3/water ...

Keywords: Heat Transfer, Hybrid nanofluid mixture, multi-walled carbon nanotube, Plate Heat Exchanger, Pressure drop, Thermal Conductivity, Transient plane source (TPS)

Thermal conductivity of poly-alpha-olefin (PAO)-based nanofluids

Author(s): Javier A. Narvaez

This paper examined the thermal conductivity of poly-alpha-olefin (PAO) based nanofluids using three transient methods including the transient plane source (TPS) technique. They also explored how temperature, shape, and ...

Keywords: Nanofluids, Poly-alpha-olefin, Temperature, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

Enhanced thermal conductivity of n octadecane containing carbon based nanomaterials

Author(s): Ali A. Alemrajabi, Rahmatollah Khodabandeh, Sadegh Motahar

This paper focused on determining the thermal conductivity of multiwalled carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) that were dispersed throughout n-octadecane as phase change materials (PCMs). The Thermal Constants ...

Keywords: Carbon Nanofibers, Carbon nanofibers (CNFs), Multiwalled carbon nanotubes, nanomaterials, phase change materials, Thermal Conductivity, Thermal Constants Analyzer, Transient Plane Source, Transient plane source (TPS) method

Thermal conductivity and rheology behavior of aqueous nanofluids containing alumina and carbon nanotubes

Author(s): Bengt Sunden, Lars Wadso, Zan Wu, Zhaozan Feng

Many conventional fluids have low thermal conductivities. Adding thermally conductive nanometer-sized particles to these fluids transforms them into thermally conductive nanofluids. In this study, the thermal conductivity of aqueous alumina ...

Keywords: Agglomeration, Carbon Nanotube, Carbon nanotubes, Interfacial Thermal Resistance, Nanofluid, Thermal Conductivity, Transient Plane Source, viscosity

Enhanced thermoelectric properties of hybridized conducting aerogels based on carbon nanotubes and pyrolyzed resorcinol–formaldehyde resin

Author(s): Aiping Zhang, Jinghong Zhao, Jinrong Wu, Lijuan Zhao, Quan Li, Xijing Sun

Multi walled carbon nanotubes (MWCNTs) and carbonized resorcinol-formaldehyde (RF) resin were used to create a conducting aerogel with a high electrical conductivity and Seebeck coefficient but a low thermal conductivity. ...

Keywords: Carbon nanotubes, carbonized resorcinol-formaldehyde, carbonized resorcinol-formaldehyde (RF), CNTs, Electrical Conductivity, Figure of Merit, Figure of Merit (ZT), hybridized aerogels, multi-walled carbon nanotubes, Multi-walled carbon nanotubes (MWCNTs), MWCNTs, resin, RF, Seebeck coefficient, Thermal Conductivity, ZT

Thermal contact resistance of epoxy composites incorporated with nano-copper particles and the multi-walled carbon nanotubes

Author(s): Ping Zhang, Qiang Li, YiMin Xuan

Raw multi-walled carbon nanotubes (r-MWCNTs) and Cu nanoparticles are dispersed in an epoxy matrix in varying quantities to create composite polymers with enhanced thermal conductivities. A study was then conducted ...

Keywords: Carbon nanotubes, CNTs, Copper, Environmental Scanning Electron Microscope, Environmental Scanning Electron Microscope (ESEM), Epoxy, ESEM, FE-SEM, Field Emission Scanning Electron Microscope, Field Emission Scanning Electron Microscope (FE-SEM), Nanoparticles, Polymer composites, Thermal Conductivity, thermal contact resistance, thermal interface materials, TIMs, viscosity

Improved heat recovery from paraffin-based phase change materials due to the presence of percolating graphene networks

Author(s): Amy S. Fleischer, Ronald J. Warzoha

Four different paraffin-based nanocomposite phase change materials (PCMs) were prepared by dispersion of 20 v. % of graphene, multi-walled carbon nanotubes (MWCNTs), aluminum, or TiO2 nanoparticles into a paraffin matrix. It was ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimetry, Differential scanning calorimetry (DSC), DSC, graphene, Melt Temperature, nanocomposites, Nanoparticles, pcms, phase change enthalpy, phase change materials, Phase Transition Temperature, Solidification Temperature, Thermal Conductivity, Thermal Energy Recovery, Transient Plane Source Technique, Transient Thermal Response

Improved Thermal Conductivity of Poly(trimethylene terephthalate-block-poly(tetramethylene oxide) Based Nanocomposites Containing Hybrid Single-Walled Carbon Nanotubes/Graphene Nanoplatelets Fillers

Author(s): Andrzej Czulak, Anna Szymczyk, Bartlomiej Przybyszewski, Ryszard Pilawka, Sandra Paszkiewicz, Zbigniew Roslaniec

Poly(trimethylene terephthalate)-block-poly(tetramethylene oxide) (PTT-PMTO) copolymer-based nanocomposites containing a combination of single-walled carbon nanotubes (SWCNTs) and graphene nanoplatelets (GNPs) as carbon nanofillers were investigated to determine their thermal ...

Keywords: Carbon nanotubes, CNTs, Fillers, graphene, nanocomposites, Polymer composites, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, Thermal Conductivity, TPS Method, Transient Plane Source, Transient plane source (TPS) method

Search Results for: carbon nanotubes