Performance analysis and mathematical modelling of banana slices in a heat pump drying system

Cüneyt Tunckal and İbrahim Doymaz

Renewable Energy, 2020, vol. 150, issue C, 918-923

Abstract: In this study, banana slices were dried at different temperatures in a closed-loop heat pump drying system. As the temperature and the slice thickness increased, the drying time also increased. Midilli & Kucuk model was found to be the best model to explain the experimental data. The effective moisture diffusivity ranged from 1.12 × 10−10 to 1.64 × 10−10 m2/s. The dependence of moisture diffusivity on temperature was described by an Arrhenius-type equation and the activation energy was found to be -51.45 kJ/mol. The highest mean specific moisture extraction ratio (SMER) and coefficient of performance (COP) of HPD system were obtained as 0.212 kg/kWh and 3.059, respectively, at the highest drying air temperature.

Keywords: Activation energy; Banana slices; Effective moisture diffusivity; Heat pump drying system; Mathematical modelling (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (9)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:150:y:2020:i:c:p:918-923

DOI: 10.1016/j.renene.2020.01.040

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