Thermo Physical Properties of Nanofluids
Naveen Kumar Gupta1, Subrata Kumar Ghosh2

1Naveen Kumar Gupta, Department of Mechanical Engineering, GLA University, Mathura, India.
2Subrata Kumar Ghosh, Department of Mechanical Engineering, Indian Institute of Technology (ISM) Dhanbad, India.

Manuscript received on 22 August 2019. | Revised Manuscript received on 05 September 2019. | Manuscript published on 30 September 2019. | PP: 1616-1620 | Volume-8 Issue-11, September 2019. | Retrieval Number: I8297078919/2019©BEIESP | DOI: 10.35940/ijitee.I8297.0981119
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Abstract: Nanofluids are new generation of thermo fluids. Researchers are attracted towards their application in various thermal energy systems. Before employing nanofluids in the heat exchangers, it is necessary to ensure superior thermo physical properties of nanofluids. In the present work, different thermo physical properties of nanofluids like thermal conductivity, viscosity, specific heat and density have been studied for a wide range of volume concentration (0.25-2.0 %) and temperature (30-60°C). TiO2 / H2O and CeO2 / H2O nanofluids show good stability for 0.25-2.0 volume %. The temperature range 30-60°C is considered because above 60°C the convection heat transfer may affect the accuracy of measurements. De-ionized water (D.I. water) is considered as base fluid. TiO2 /H2O and CeO2 /H2O nanofluids show superior thermal properties as compared to D.I. water.
Keywords: Nanofluids, Thermal conductivity, Specific heat, Density.
Scope of the Article: Thermal Engineering