Numerical Investigation of the Thermal Performance Linear Parabolic Solar Collector Absorber Tubes Using Nanofluids Copper Oxide - Heating Oil

In this study, the effect of concentration of oxides in silicone oil on the heat transfer rate of adsorbent tube was investigated and various concentrations of nanoparticles (1%, 3% and 5% in volume) were used at a working temperature of 500 K Kelvin. Also, the thermal flux in the tangential direction using the Monte Carlo rays tracking method and three-dimensional Navier Stokes equations for mass, momentum, and energy using the flute utility, and the use of second-order discretization for the transfer and disassembly courses, and for coupling speeds, simpel method was used. The results show that the heat transfer coefficient of displacement is exponentially increased by moving along the tube, and the thermal and hydrodynamic evolution of the fluid decreases, and the transfer heat transfer coefficient increases with increasing nanosilver concentration. This indicates that increasing the volumetric concentration of nanofluid, the thermal conductivity coefficient and the fluid gradient increases, which ultimately leads to an increase in the heat transfer coefficient of the nanofluid.