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Enhanced thermo-electrochemical power using carbon nanotube additives in ionic liquid redox electrolytes

Author(s): Ali H. Kazim, Baratunde A. Cola, Jennifer M. Pringle, Pablo F. Salazar, Sai T. Stephens

Thermocells are heat waste harvesting devices that operate at room temperature. The addition of multi-walled carbon nanotubes (MWCNTs) to ionic liquids (ILs) in thermocells enhances electrical conductivity, and the devices ...

Keywords: Electric power, Hot Disk, Ionic liquids, Multi walled carbon nanotubes (MWCNT), Thermal Conductivity, Thermocells, Thermoelectrics, 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, Hot Disk, Hybrid nanofluid mixture, multi-walled carbon nanotube, Plate Heat Exchanger, Pressure drop, Thermal Conductivity, Transient plane source (TPS)

Temperature dependent heat transfer performance of multi-walled carbon nanotube-based aqueous nanofluids at very low particle loadings

Author(s): Devraj Singh, Giridhar Mishra, Meher Wan, Raja Ram Yadav

Thermally conductive nanoparticles are often added to conventional fluids to improve thermal properties. In this paper, the effect of small concentrations of multiwalled carbon nanotubes (MWCNTs) on thermal conductivity over ...

Keywords: Hot Disk, Multiwalled carbon nanotubes (MWCNT), Nanofluids, Particle concentration, Temperature dependent, Thermal Conductivity, Transient plane source (TPS)

Thermo-optical properties of partially unzipped multiwalled carbon nanotubes dispersed nanofluids for direct absorption solar thermal energy systems

Author(s): Rashmi Chandrabhan Shende, Sundara Ramaprabhu

Water is being used to absorb incident light for use in solar power applications. Adding nanoparticles to water improves the solar collection efficiency. In this paper, a TPS2500S Hot ...

Keywords: Hot Disk, MWNTs, Nanofluids, Optical Properties, PUMWNTs, Solar collector, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

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: Hot Disk, 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), Hot Disk, 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, Hot Disk, Interfacial Thermal Resistance, Nanofluid, Thermal Conductivity, Transient Plane Source, viscosity

Aqueous carbon nanotube nanofluids and their thermal performance in a helical heat exchanger

Author(s): Bengt Sunden, Lars Wadso, Lei Wang, Zan Wu

Many conventional fluids have low thermal conductivities. Adding thermally conductive nanometer-sized particles to these fluids transforms them into thermally conductive nanofluids that can be used for refrigeration and air conditioning ...

Keywords: Carbon Nanotube, Carbon nanotubes, heat exchanger, Helically coiled tube, Hot Disk, Nanofluid, Rheology behavior, Thermal Conductivity, Transient Plane Source, Transient plane source (TPS) method

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), Hot Disk TPS, 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), Hot Disk Thermal Constants Analyzer, Nanoparticles, Polymer composites, Thermal Conductivity, thermal contact resistance, thermal interface materials, TIMs, viscosity

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