Performance of a new solar air heater with packed-bed latent storage energy for nocturnal use

Salwa Bouadila, Sami Kooli, Mariem Lazaar, Safa Skouri and Abdelhamid Farhat

Applied Energy, 2013, vol. 110, issue C, 267-275

Abstract: An experimental study was conducted to evaluate the thermal performance of a new solar air heater collector using a packed bed of spherical capsules with a latent heat storage system. Using both first and second law of thermodynamics, the energetic and exegetic daily efficiencies were calculated in Closed/Opened and Opened cycle mode. The solar energy was stored in the packed bed through the diurnal period and extracted at night. The experimentally obtained results are used to analyze the performance of the system, based on temperature distribution in different localization of the collectors. The daily energy efficiency varied between 32% and 45%. While the daily exergy efficiency varied between 13% and 25%.

Keywords: Latent heat storage; Packed bed solar air heaters; Energy efficiency; Exergy efficiency (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (24)

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DOI: 10.1016/j.apenergy.2013.04.062

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