Category: Transient Plane Source
Author(s): B. Wright, D. Thomas, E. Duke, H. Hong, J. Puszynski, L. Groven, S. Jin, X. Ye
Keywords: Carbon nanotubes, CNTs, Heat Transfer, magnetic field, Nanofluids, Ni-coated nanotubes, nickel, Scanning Electron Microscopy, Scanning Electron Microscopy (SEM), SEM, TEM, Thermal Conductivity, Transmission electron microscopy, Transmission electron microscopy (TEM)
Abstract: This article evaluates the thermal conductivity of heat transfer nanofluids containing nickel coated single wall carbon nanotubes. The results concluded that with the introduction of a magnetic field, the thermal conductivity of the heat transfer nanofluid is improved. Researchers attribute this improved thermal conductivity to the ability of the nickel coated nanotubes to form aligned chains under the force of a magnetic field, allowing for better contact and ultimately a higher thermal conductivity. Researchers also determined that once the nanofluids have reached their maximum thermal conductivity, under a reduced magnetic field strength, the thermal conductivity can be maintained for longer periods of time, than when in the absence of the magnetic field.
Reference: Applied Physics Letter, 91, 173116, (2007)