Abstract
In this paper, experimental investigations on a double-pass packed bed solar air heater are presented. Improvement in thermal performance of the air heater with mild steel chips as the packed bed material is found at different mass flow rates of air. Experiments are carried out at different mass flow rates of air in a range of 0.036–0.0625 kg/s. The maximum air temperature at SAH outlet with and without packed bed is 64 °C and 59 °C, respectively, at a mass flow rate of 0.047 kg/s. The thermal efficiency of double-pass SAH is found to be improved by 20.4% over conventional SAH without a packed bed.
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Kumar, I.V., Mohan Jagadeesh Kumar, M. (2021). Design Fabrication and Testing of a Double-Pass Solar Air Heater. In: Rushi Kumar, B., Sivaraj, R., Prakash, J. (eds) Advances in Fluid Dynamics. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4308-1_41
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DOI: https://doi.org/10.1007/978-981-15-4308-1_41
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