Effect of Temperature and Multiwalled Carbon Nanotubes Concentration on Thermophysical Properties of Water Base Nanofluid
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2017, Vol 7, Issue 4
Abstract
Nanofluids can be used as the heat transfer fluid due to itsexceptional thermal properties. The paper investigated the various thermophysical of MWCNT-water nanofluid, when dispersed in water at various temperatures and particle concentration. The nanofluids are prepared by two-step method with gum arabicused as a surfactant to provide strength to the nanoparticles in base fluid. The thermophysical properties were measured using different volume concentrations (0 – 0.8 vol. %) of nanoparticles at various temperatures (30°C to 70°C). KD2 Pro Thermal Property Analyser, Differential Scanning Calorimeter, KEM-DA 130N - Portable density meter, Brookfield LVDV-III ultraprogrammable viscometer devices were used for the measurement of thermal conductivity, specific heat, density, viscosity respectively. The density, viscosity and thermal conductivityincreases as MWCNT’s concentrationincreases, on the other hand specific heat was found to decline with particle concentration. Similarly, the thermal conductivity and specific heat increases with a rise in temperature whereas the viscosity and density decreases.
Authors and Affiliations
Mohit Thakur, D. Gangacharyulu, Gurpreet Singh
Keywords
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