Abstract
In this paper, we used a commercial paraffin type C25H52 which was doped with TiO2, ALCL3, and AL2O3 in the range of 0 and 20% by mass and atom. The monitoring of the temperature over time was measured during the descent of 150°C to ambient. For all dopants, the phase change time, thermal conductivity, latent heat, and specific heat increase with the doping rate and the mass of the paraffin. The experimental results show that the phase change time, thermal conductivity, latent heat, and specific heat are more important in the case of doping with ALCL3 compared to the other two dopants.
Highlights
One of the solutions to the problem of low thermal-electric efficiency of the solar panel is the hybrid system design allowing the simultaneous production of thermal energy and electricity
We must imagine devices that allow the recovery of thermal energy by cooling the solar panel
In the work of Ho and Gao [9] a phase change material embedded by nanoparticles was prepared by adding nanoparticles of alumina (Al2O3) in paraffin (n-octadecane) by means of a surfactant non-ionic
Summary
One of the solutions to the problem of low thermal-electric efficiency of the solar panel is the hybrid system design allowing the simultaneous production of thermal energy and electricity. We are interested in the evolution of the phase change time, thermal conductivity and latent heat as a function of the mass of a commercial paraffin type C25H52.
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