A Review of MWCNT Nanofluid for Heat Transfer: Comparisons and Applications with different Base Fluids
Author(s):
Dr. Supreeti Das
Keywords:
Heat transfer, Multiwall carbon nano tube, Nanofluid, Thermophysical Propert
Abstract
Multiwalled carbon nanotubes when added to conventional cooling agents, enhances the heat transfer properties. This dispersion, called the carbon nanofluid has the potential of being used as a heat exchange medium in micro-electronic devices, manufacturing sector, automobile industries, aviation, petroleum industries, chemical production and in refrigeration applications. For designing efficient heat removing agent, it is important to make a detailed study of the thermophysical properties. The present work is a review of the recent studies on the stability, thermophysical properties and applications of this nanofluid. MWCNT having a high thermal conductivity is discussed as a material which when added to basic heat transfer fluids improves its heat transfer characteristics. It is found that the thermal conductivity, density and viscosity increase with the concentration of the nanofluid. However, the specific heat capacity decreases with the concentration of the nanoparticles. This work is further extended to investigate the thermophysical properties for different base fluids which have mwcnt dispersed in these fluids. Investigations of the thermophysical properties of CNF with water, Ethylene Glycol and Engine oil as base fluids, reveal that engine oil with mwcnt is superior to the other carbon nanofluids studied, for heat removing applications.
Article Details
Unique Paper ID: 158170

Publication Volume & Issue: Volume 9, Issue 9

Page(s): 14 - 20
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