Computational and experimental study of a novel corrugated-type absorber plate solar collector with thermal energy storage moisture removal device

Madhankumar S and Karthickeyan Viswanathan

Applied Energy, 2022, vol. 324, issue C, No S0306261922010339

Abstract: Removing moisture from fruits and veggies is an energy-intensive operation since extraction of moisture from the surface of raw products requires a substantial quantity of heat. As a response, designing novel, simplistic dryers with minimal energy consumption is essential. In this research, Corrugated-type Absorber Plate Solar Collector (CAPSC) integrated indirect moisture removers were designed, fabricated, and analyzed experimentally. In this aspect, the heat and airflow behaviour of CAPSC moisture removers with and without Thermal Energy Storage (TES) were explored utilizing the Computational Fluid Dynamics (CFD) technique. The feasibility of the developed CAPSC moisture removers was then experimentally investigated under various scenarios (i.e., 0.014 and 0.024 kg/s mass flow rates). The experimental and computational outcomes of this study demonstrated the efficient design of the manufactured CAPSC moisture removers. The maximum difference in CAPSC exit temperatures between computational and empirical observation was 4.27%. Interestingly, the CAPSC with TES moisture remover performed effectively than the CAPSC moisture remover without TES. As per the empirical observations at 0.024 kg/s mass-flow rate, the average Specific Moisture Extraction Rate (SMER) in CAPSC moisture removers with and without TES was 0.216–0.332 kg/kWh, and 0.224–0.427 kg/kWh, accordingly. Furthermore, the mean exergy efficiency of the dehydration unit of moisture removers was found to be between 43.30 and 46.64%. The overall outcomes of this research revealed the effectiveness of a moisture remover established for drying agricultural specimens.

Keywords: Solar moisture remover; Indirect type; Computational fluid dynamics; Thermal energy storage; Exergy efficiency (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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DOI: 10.1016/j.apenergy.2022.119746

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