First & Second Law Analysis of Solar Air Heater
In this paper, thermodynamic analysis is performed for different cases of artificial roughness surface on the absorber plates of solar air heater duct. This analysis has been performed by using the correlations for heat transfer coefficient and friction factor developed experimentally for different type of roughness within the investigated range of operating and system parameters. The comparison has been made for different types of roughness on the basis of first law analysis (effective efficiency) and second law analysis (entropy, irreversibility distribution ratio and entropy generation number).
Artificial Roughness, Solar Air Heater, Heat Transfer Coefficient, Friction Factor
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