Phase change materials find potential application in the field of Heating ventilation and air conditioning (HVAC). Paraffin, one ofthe commonly used organic phase change material exhibits high thermal storage capacity, chemical stability and low sub cooling. The major limitation despite the above merits is its poor thermal conductivity. The main aim of this work is to improve the thermal transport properties of the phase change material (Paraffin RT21) by dispersing Multiwall Carbon Nanotube (MWCNT) nanoparticles in it. The thermal properties and rheological properties of the nanofluid for different volume fractions of MWCNT in the presence and absence of surfactant were evaluated. The result explicates that the efficiency of the nanofluid with MWCNT nanoparticles are in the better side than the Paraffin RT21.
Multiwall Carbon Nanotubes (MWCNT), volume fraction, Paraffin RT21, thermal conductivity, rheological properties
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