Carbon nanotubes Archives - Page 2 of 4

Thermal Conductivity Measurements of Polyamide Powder

Thermal conductivity measurements were performed on polyamide 12 and polyamide 11 powders containing carbon nanotubes using the transient plane source (TPS) technique. The effects of powder density and temperature on thermal conductivity ...

Keywords: 3D printing, Carbon nanotubes, CNTs, density, Polyamide Powder, Thermal Conductivity, Thermal Diffusivity, three-dimentional printing, Transient Plane Source Technology

Enhancement of electrical, thermal and mechanical properties of carbon nanotube additive Se85Te10Ag5 glassy composites

Author(s): A. N. Upadhyay, K. Singh, Kedar Singh, N. Mehta, R. S. Tiwari

A chalcogenide glass was prepared and doped with carbon nanotubes (CNTs) in an effort to increase the electrical and thermal conductivity of the glass. The glass that was used in ...

Keywords: Carbon nanotubes, Chalcogenide Semiconductors, CNTs, Current-Voltage, Current-Voltage (I-V) Measurements, Effective Thermal Conductivity, Effective Thermal Diffusivity, Electrical Conductivity, glass, I-V, Measurements, Micro Hardness

Experimental investigation on the ammonia adsorption and heat transfer characteristics of the packed multi-walled carbon nanotubes

Author(s): R. Jia, R. Z. Wang, T. X. Li, T. Yan

The potential for the use of multi-walled carbon nanotubes (MWCNTs) for the adsorption of ammonia in solid-gas adsorption refrigeration applications has been investigated by experimental determination of ammonia adsorption properties, ...

Keywords: Ammonia Adsorption Capacity, Carbon nanotubes, CNTs, SEM, TEM, Thermal Conductivity

Enhanced thermal conductivity of n-octadecane containing carbon-based nanomaterials

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

The use of organic compounds as phase change materials (PCMs) is limited by the low thermal conductivity of these compounds. In this study, multi-walled carbon nanotubes (MWCNTs) and carbon nanofibers (...

Keywords: Carbon nanotubes, CNTs, Fillers, nanocomposites, pcms, phase change materials, Thermal Conductivity, Thermal Constants Analyzer, TPS Method

Thermal Conductivity Enhancement by using Nano-Material in Phase Change Material for Latent Heat Thermal Energy Storage Systems

Author(s): Abdul-Mohsen N. M. Al-Ajeely, Miqdam T. Chaichan, Shaimaa H. Kamel

Al2O3, TiO2 nanoparticles, and carbon nanotubes were added to Iraqi paraffin wax in varying quantities to determine the optimum filler content for the enhancement of thermal conductivity. The thermal ...

Keywords: Carbon nanotubes, CNTs, Fillers, Nanoparticles, Paraffin Wax, pcms, phase change materials, Thermal Conductivity, thermal energy storage

Thermal conductivity enhancement of nanostructure-based colloidal suspensions utilized as phase change materials for thermal energy storage: A review

Author(s): Hasan Babaei, J. M. Khodadadi, Liwu Fan

The authors have presented a literature review on computational and experimental studies on the thermal conductivity of nanostructure enhanced phase change materials (nePCMs). It was found that a wide range ...

Keywords: Carbon nanotubes, CNTs, laser flash, Nanoparticles, pcms, phase change materials, Thermal Conductivity, thermal energy storage, THW, TPS Method, transient hot wire (THW) method, Transient Hot-Wire, Transient Plane Source, Transient plane source (TPS) method

Thermal Conductivity of Single-Wall Carbon Nanotube Dispersions: Role of Interfacial Effects

Author(s): Clay Maranville, Dustyn Sawall, Hiroko Ohtani, J. M. Ginder, Jagjit Nanda, Jeffrey T. Remillard, Shannon C. Bollin

The thermal transport properties of nanofluids containing single-walled carbon nanotubes (SWCNTs) in ethylene glycol and (poly)-alpha olefins (PAO) were investigated. It was found that the addition of SWCNTs enhanced ...

Keywords: AFM, atomic force microscopy, Atomic Force Microscopy (AFM), Carbon nanotubes, CNTs, Fluid Rheology, Light Scattering, Nanofluids, TEM, Thermal Conductivity, Thermal Diffusivity, Transmission electron microscopy, Transmission electron microscopy (TEM)

In situ polymerization of methyl methacrylate/multi-walled carbon nanotube composites using cationic stearyl methacrylate copolymers as dispersants

Author(s): A. Nykanen, A. Vesterinen, J. Ruokolainen, J. Seppala, M. Lahelin

Multi-walled carbon nanotube (MWCNT)/poly (methyl methacrylate) composites were prepared and their mechanical and physical properties were examined. An amphiphilic copolymer was used to aid in dispersing the MWCNTs throughout ...

Keywords: Carbon nanotubes, CNTs, Electrical Conductivity, mechanical properties, nanocomposites, Polymer composites, SEC, Size Exclusion Chromatography, Size Exclusion Chromatography (SEC), TEM, Thermal Conductivity

Synthesis and Characterization of Multifunctional Nanocomposites of Toughened Epoxy Reinforced With Carbon Nanotubes

Author(s): Dimitris C. Lagoudas, Patrick J. Klein, Piyush R. Thakre

The authors have developed a method for the functionalization of single-walled carbon nanotubes (SWCNTs). The functionalization of the SWCNTs is useful in helping to produce a better dispersion of nanotubes ...

Keywords: AFM, Carbon nanotubes, CNTs, coefficient of thermal expansion, Coefficient of thermal expansion (CTE), Dispersion, Electrical Conductivity, Epoxy, Flexure Strength, Glass Transition Temperature, nanocomposites, Polymer composites, SEM, Thermal Conductivity, Young's Modulus

An experimental investigation of melting of nanoparticle-enhanced phase change materials (NePCMs) in a bottom-heated vertical cylindrical cavity

Author(s): Ke-Fa Cen, Li-Wu Fan, Yi Zeng, Yu-Qi Xiao, Zi-Tao Yu

A nanoparticle-enhanced phase change material (NePCM) is prepared by the dispersal of carbon nanotubes in 1-dodecanol. The objective of this experiment was to determine if the addition of nanoparticles could ...

Keywords: Carbon nanotubes, CNTs, differential scanning calorimeter, Dynamic Viscosity, Latent Heat of Fusion, Melting Point, Nanoparticle-Enhanced Phase Change Materials, Nanoparticle-Enhanced Phase Change Materials (NePCMs), Nanoparticles, NePCMs, pcms, phase change materials, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, Transient Plane Source Technique, Transmission electron microscopy, Transmission electron microscopy (TEM)

Keyword: Carbon nanotubes