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Abstract: This article studied the thermal conductivity of deionized (DI) water and ethylene glycol (EG) based nanofluids with varying temperatures for different volume fractions of N-(rGO-MWNTs) (nitrogen doped hybrid structure of reduced graphene oxide (rGO) and multiwalled carbon nanotubes (MWNTs)). The thermal conductivity was found by using the transient plane source (TPS) method by using a TPS 2500 Hot Disk Thermal Analyser. From the experimental results, it was noted that the thermal conductivity of the nanofluids increased non-linearly with temperature and concentration.

Reference: Solary Energy Materials & Solar Cells (2015), 140:9-16

DOI: 10.1016/j.solmat.2015.03.012