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Experimental Investigation of the Thermo-Physical Properties of Nanofluids(CuO) and its Effect on a Flat Plate Solar Collector for Desalination Process
Abstract
Experimental investigations have been carried out for obtaining the thermophysical properties of cupric oxide/water based nanofluids. The CuO/water nanofluid is prepared with the inclusion of surfactant Sodium Dodecyl Benzene Sulfonate (SDBS), as it provided the best CuO/nano-particle dispersion stability compared to pure water suspension. The volumetric fraction of CuO/water nanofluid was appropriately chosen as 0.05%. Nano-fluids are proficient heat transfer carriers for harvesting thermal energy in solar thermal applications. In this paper, nano-fluids has been utilized in solar thermal research both theoretically as well as experimentally. The effect of density and viscosity of these nano-fluids for solar collector has been investigated experimentally as well. The Solar collector allows solar radiation to pass through to the energy collection surface and helps minimize system heat losses by suppressing convection. Thermal performance has been investigated experimentally on a 250 Litres per Day (LPD). In this paper, silicon solar cells are preferred for various energy requirement purposes since it imparts lower impurity levels during the process. The basin material of Aluminium and chute material of FRP or GRP is predominantly used since it is less reactive with saline water during the desalination process. On the basis of this process, mass flow rate, mass of the steam, solar Radiation are evaluated for different weather conditions of the month of March using the proposed model. Also, the thermo-physical properties of the synthesized nanoparticle and prepared nanofluid were compared theoretically and experimentally. The maximum mass of steam produced using this model is 71.72kg and the minimum mass of steam produced is 21.68 kg. The volumetric efficiency of this proposed model without nano-fluid is 58.36% and Volumetric efficiency of this proposed model with nano fluid is 66.23%.
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