Research Article
Analysis of Heat Transfer Rate for Different Annulus Shape Properties-Enhanced Beeswax-Based Phase Change Material for Thermal Energy Storage
Table 1
Thermophysical properties [
13,
39].
| | Properties | Beeswax | Al2O3 | SiO2 | MgO |
| | Density (kg/m3) | 961 | 3890 | 2650 | 3580 | | Specific heat at constant pressure (J/kg-K) | 2093 | 778 | 753 | 921 | | Thermal conductivity (/m-K) | 0.3 | 38.493 | 11.715 | 61.923 | | Solidification temperature (K) | 331 | — | — | — | | Liquification temperature (K) | 333.6 | — | — | — | | Latent heat of melting (J/kg) | 141490 | — | — | — | | Viscosity (kg/m-sec) | 0.02461 | — | — | — | | Thermal expansion coefficient (1/K) | 0.00034 | — | — | — |
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