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- Title
Synthesis and thermo-physical properties of water-based novel Ag/ZnO hybrid nanofluids.
- Authors
Barewar, Surendra D.; Chougule, Sandesh S.; Jadhav, J.; Biswas, S.
- Abstract
The comparative study on the thermo-physical properties of water-based ZnO nanofluids and Ag/ZnO hybrid nanofluids is reported in the present study. The outer surface of ZnO nanoparticles was modified with a thin coating of Ag nanoparticles by a wet chemical method for improved stability and heat transfer properties. The ZnO and Ag/ZnO nanofluids were prepared with varying volume concentration (ϕ = 0.02-0.1%). The synthesized nanoparticles and nanofluids were characterized with different characterization methods viz., scanning electron microscopy, X-ray diffraction, dynamic light scattering, thermal conductivity measurement, and viscosity measurement. Results show that thermal conductivity of Ag/ZnO hybrid nanofluids is found to be significantly higher compared to ZnO nanofluids. The maximum thermal conductivity an enhancement for Ag/ZnO nanofluid (ϕ = 0.1%) is found to 20% and 28% when it compared with ZnO nanofluid (ϕ = 0.1%) and water, respectively.
- Subjects
ZINC oxide; NANOPARTICLE synthesis; HEAT transfer; MEASUREMENT of viscosity; THERMAL conductivity
- Publication
Journal of Thermal Analysis & Calorimetry, 2018, Vol 134, Issue 3, p1493
- ISSN
1388-6150
- Publication type
Article
- DOI
10.1007/s10973-018-7883-6