Abstract
A flat plate solar air collector (SAC) is the subject of this study, which uses grey relational analysis (GRA) to determine the ideal parameters affecting energy and exergy efficiency. SAC’s energy and exergy efficiencies are impacted by various mass flow rates, tilt angles, solar radiation, and inlet temperatures. According to analysis, the ideal configuration for a SAC has the following input parameters: mass flow rate of 0.0156 kg/s, tilt angle of 45°, solar radiation of 764.48 W/m2, and inlet temperature of 21.72 °C, with corresponding output parameters of 24.61% energy efficiency, 6.43% exergy efficiency, 22.1 °C temperature rise, and 94.1 Pa pressure drop. Findings of confirmation experiment demonstrated that data acquired with the confirmatory test and the experimental data are consistent.
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