Abstract
Solar thermal energy storage systems are an essential component of the solar system. The use of high-conductive nanoparticles and phase change material composition can enhance the performance and thermal conductivity of the solar storage system. Latent heat thermal energy storage is widely used as it has high thermal energy storage density and can store and deliver latent heat at nearly constant temperatures. The dispersion of nanoparticles is one of the better systems for improved thermal conductivity of the thermal energy storage system. A CFD model can be used to predict the performance of solar thermal energy storage systems using Nanoparticles-Enhanced Phase Change Materials with different heat transfer fluids. The use of nanoparticles increases thermal conductivity. In this chapter, two case studies have been performed through a CFD simulation. One was for Al2O3 nanoparticles, and another was for Cu nanoparticles with water as heat transfer fluid (HTF). It was found that Al2O3 nanoparticles are more effective than Cu nanoparticles. Overall, this study highlights the importance of selecting efficient solar systems to decrease heat losses during the heat transfer process and the potential of nanomaterials to improve the efficiency of solar thermal storage systems.
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