Research Article
Structural and Thermal Analysis of Asphalt Solar Collector Using Finite Element Method
Table 3
Input details for thermal analysis in COMSOL.
| Thermal insulation | Bottom surface insulated | Pipe wall condition | No slip boundary condition | Initial temperature | initial = 300 K | Heat flux input | 800 W/m2, general inward heat flux condition on top surface of model | Highly conductive layer | Boundaries of fluid domain selected layer thickness given as 2 mm, material copper | Convective heat flux | User defined heat transfer coefficient given as 20 W/m2K on top surface, = 300 K | Surface to ambient radiation | User defined emissivity = 0.7, = 300 K | Water inlet temperature | inlet = 298 K | Inlet water velocity | 8 mm/sec–50 mm/sec |
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