Using a parametric study to analyse the performance of wood solar dryers with glazed walls

Abstract: Parameters characterizing wood and air were studied in order to analyze the performance of a wood solar dryer functioning under Moroccan climate. A mathematical model based on the climate data of Rabat city was used to investigate theoretically the wood drying process. Two wood species-thu...

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Autores principales: Bekkioui,Naoual, Zoulalian,André, Hakam,Abdelillah, EZ-Zahraouy,Hamid
Lenguaje:English
Publicado: Universidad del Bío-Bío 2017
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2017000400463
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spelling oai:scielo:S0718-221X20170004004632017-11-21Using a parametric study to analyse the performance of wood solar dryers with glazed wallsBekkioui,NaoualZoulalian,AndréHakam,AbdelillahEZ-Zahraouy,Hamid Drying curves drying operating parameters drying time mass transfer coefficient solar drying. Abstract: Parameters characterizing wood and air were studied in order to analyze the performance of a wood solar dryer functioning under Moroccan climate. A mathematical model based on the climate data of Rabat city was used to investigate theoretically the wood drying process. Two wood species-thuya (Tetraclinis articulate) and pine (Pinus pinaster)-were examined in the present study. The results obtained by computer simulations are in good agreement with the experimental values. Furthermore, our findings indicate that the use of a global mass transfer coefficient for low temperature convective and homogenous drying conditions allows the influence of the principal operating parameters (wood thickness, wood density, air temperature, air velocity and ventilation mode) on the drying time to be estimated with great accuracy. Analyses pertaining to the two studied wood species revealed that(1) pine dries more quickly than thuya, (2) the drying process is faster in the summer relative to other seasons, (3) increasing the air velocity by 100% results in a 20% reduction in the drying time, and (4)continued ventilation reduces the drying time by 43%.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.19 n.4 20172017-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2017000400463en10.4067/S0718-221X2017005000601
institution Scielo Chile
collection Scielo Chile
language English
topic Drying curves
drying operating parameters
drying time
mass transfer coefficient
solar drying.
spellingShingle Drying curves
drying operating parameters
drying time
mass transfer coefficient
solar drying.
Bekkioui,Naoual
Zoulalian,André
Hakam,Abdelillah
EZ-Zahraouy,Hamid
Using a parametric study to analyse the performance of wood solar dryers with glazed walls
description Abstract: Parameters characterizing wood and air were studied in order to analyze the performance of a wood solar dryer functioning under Moroccan climate. A mathematical model based on the climate data of Rabat city was used to investigate theoretically the wood drying process. Two wood species-thuya (Tetraclinis articulate) and pine (Pinus pinaster)-were examined in the present study. The results obtained by computer simulations are in good agreement with the experimental values. Furthermore, our findings indicate that the use of a global mass transfer coefficient for low temperature convective and homogenous drying conditions allows the influence of the principal operating parameters (wood thickness, wood density, air temperature, air velocity and ventilation mode) on the drying time to be estimated with great accuracy. Analyses pertaining to the two studied wood species revealed that(1) pine dries more quickly than thuya, (2) the drying process is faster in the summer relative to other seasons, (3) increasing the air velocity by 100% results in a 20% reduction in the drying time, and (4)continued ventilation reduces the drying time by 43%.
author Bekkioui,Naoual
Zoulalian,André
Hakam,Abdelillah
EZ-Zahraouy,Hamid
author_facet Bekkioui,Naoual
Zoulalian,André
Hakam,Abdelillah
EZ-Zahraouy,Hamid
author_sort Bekkioui,Naoual
title Using a parametric study to analyse the performance of wood solar dryers with glazed walls
title_short Using a parametric study to analyse the performance of wood solar dryers with glazed walls
title_full Using a parametric study to analyse the performance of wood solar dryers with glazed walls
title_fullStr Using a parametric study to analyse the performance of wood solar dryers with glazed walls
title_full_unstemmed Using a parametric study to analyse the performance of wood solar dryers with glazed walls
title_sort using a parametric study to analyse the performance of wood solar dryers with glazed walls
publisher Universidad del Bío-Bío
publishDate 2017
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2017000400463
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