A review and analysis on influence of temperature and concentration of nanofluids on thermophysical properties, heat transfer and pumping power
作者： Ravikanth S. Vajjha , Debendra K. Das
DOI: 10.1016/J.IJHEATMASSTRANSFER.2012.03.048
关键词: Thermal diffusivity 、 Film temperature 、 Thermodynamics 、 Convective heat transfer 、 Heat transfer 、 Materials science 、 Heat transfer coefficient 、 Nusselt number 、 Nanofluid 、 Turbulent Prandtl number
摘要: The Prandtl number, Reynolds number and Nusselt are functions of thermophysical properties nanofluids these numbers strongly influence the convective heat transfer coefficient. pressure loss required pumping power for a given amount depend on flow. vary with temperature volumetric concentration nanofluids. Therefore, comprehensive analysis has been performed to evaluate effects performance due variations density, specific heat, thermal conductivity viscosity, which nanoparticle volume temperature. Two metallic oxides, aluminum oxide (Al2O3), copper (CuO) one nonmetallic silicon dioxide (SiO2), dispersed in an ethylene glycol water mixture (60:40 by weight) as base fluid have studied.
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