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Using Nanoparticles for Enhance Thermal Conductivity of Latent Heat Thermal Energy Storage | ||
| Journal of Engineering | ||
| Article 1, Volume 21, Issue 6, 2015, Pages 37-51 | ||
| Author | ||
| Baydaa Jaber Nabhan | ||
| Abstract | ||
| Phase change materials (PCMs) such as paraffin wax can be used to store or release large amount of energy at certain temperature at which their solid-liquid phase changes occurs. Paraffin wax that used in latent heat thermal energy storage (LHTES) has low thermal conductivity. In this study, the thermal conductivity of paraffin wax has been enhanced by adding different mass concentration (1wt.%, 3wt.%, 5wt.%) of (TiO2) nano-particles with about (10nm) diameter. It is found that the phase change temperature varies with adding (TiO2) nanoparticles in to the paraffin wax. The thermal conductivity of the composites is found to decrease with increasing temperature. The increase in thermal conductivity has been found to increase by about (10%) at nanoparticles loading (5wt.% and 15oC). | ||
| Keywords | ||
| phase change materials; LHTES; Thermal conductivity; TiO | ||
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