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Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron

This work deals with the study of the drying kinetics of Crocus sativus L. using convective solar drying. The main objective was to identify the influence of airflow drying temperatures for ambient air temperature ranged between 15.6 and 18.9°C, and a relative humidity between 24.4 and 46.5%. The eq...

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Autores principales: Oubella, Khadija, Mouhanni, Hind, Bahammou, Younes, Idlimam, Ali, Lamharrar, Abdelkader, Bendou, Abdelaziz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9135561/
https://www.ncbi.nlm.nih.gov/pubmed/35645631
http://dx.doi.org/10.1155/2022/1656862
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author Oubella, Khadija
Mouhanni, Hind
Bahammou, Younes
Idlimam, Ali
Lamharrar, Abdelkader
Bendou, Abdelaziz
author_facet Oubella, Khadija
Mouhanni, Hind
Bahammou, Younes
Idlimam, Ali
Lamharrar, Abdelkader
Bendou, Abdelaziz
author_sort Oubella, Khadija
collection PubMed
description This work deals with the study of the drying kinetics of Crocus sativus L. using convective solar drying. The main objective was to identify the influence of airflow drying temperatures for ambient air temperature ranged between 15.6 and 18.9°C, and a relative humidity between 24.4 and 46.5%. The equilibrium moisture content varies from 0.09 to 0.06 (% d.b), respectively, for drying air temperatures 35–50°C. The airflow velocity was about 0.2 m s(−1), which implied establishing a phenomenological diffusion model of the water within the matrix. Empirical models were also determined as well as a polynomial equation (order 3) of the characteristic drying curve. The Midilli–Kucuk model was found to be the best to describe the experimental drying curves of Crocus sativus L. The effective moisture diffusivity ranged between 0.87 and 1.46 10(−11) m(2) s(−1) for airflow temperature 35 and 50°C, while the average activation energy was calculated as 28.76 kJ mol(−1). The increase in temperature decreases the total energy consumption which varies, respectively, from 3.211 to 2.681 kWh.
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spelling pubmed-91355612022-05-27 Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron Oubella, Khadija Mouhanni, Hind Bahammou, Younes Idlimam, Ali Lamharrar, Abdelkader Bendou, Abdelaziz ScientificWorldJournal Research Article This work deals with the study of the drying kinetics of Crocus sativus L. using convective solar drying. The main objective was to identify the influence of airflow drying temperatures for ambient air temperature ranged between 15.6 and 18.9°C, and a relative humidity between 24.4 and 46.5%. The equilibrium moisture content varies from 0.09 to 0.06 (% d.b), respectively, for drying air temperatures 35–50°C. The airflow velocity was about 0.2 m s(−1), which implied establishing a phenomenological diffusion model of the water within the matrix. Empirical models were also determined as well as a polynomial equation (order 3) of the characteristic drying curve. The Midilli–Kucuk model was found to be the best to describe the experimental drying curves of Crocus sativus L. The effective moisture diffusivity ranged between 0.87 and 1.46 10(−11) m(2) s(−1) for airflow temperature 35 and 50°C, while the average activation energy was calculated as 28.76 kJ mol(−1). The increase in temperature decreases the total energy consumption which varies, respectively, from 3.211 to 2.681 kWh. Hindawi 2022-05-19 /pmc/articles/PMC9135561/ /pubmed/35645631 http://dx.doi.org/10.1155/2022/1656862 Text en Copyright © 2022 Khadija Oubella et al. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Article
Oubella, Khadija
Mouhanni, Hind
Bahammou, Younes
Idlimam, Ali
Lamharrar, Abdelkader
Bendou, Abdelaziz
Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title_full Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title_fullStr Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title_full_unstemmed Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title_short Influence of Drying Temperature on the Different Thermodynamic Parameters during the Indirect Convective Solar Drying of Crocus sativus L. Of Morocco Thin-Layer Solar Drying of Moroccan Saffron
title_sort influence of drying temperature on the different thermodynamic parameters during the indirect convective solar drying of crocus sativus l. of morocco thin-layer solar drying of moroccan saffron
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9135561/
https://www.ncbi.nlm.nih.gov/pubmed/35645631
http://dx.doi.org/10.1155/2022/1656862
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