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One-year simulation of a solar wood dryer with glazed walls in a Moroccan climate

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  • Bekkioui, Naoual
  • El hakiki, Sarra
  • Rachadi, Abdeljalil
  • Ez-Zahraouy, Hamid

Abstract

A one-year numerical simulation of a solar wood dryer with glazed walls in a Moroccan climate was developed. This simulation was used to predict detailed and temporal distributions of wood moisture content (MC) and to study the mechanisms and parameters involved in solar wood drying. Calculations were performed for thuya wood (Tetraclinis articulate), which is primarily used in marquetry in the city of Essaouira and is well-known for its aesthetic qualities. Comparisons between the theoretical results and both experimental data and the results reported in pertinent literature were also performed and the results obtained via computer simulation agreed well with the experimental values. Analyses of the studied wood revealed that 15 drying cycles could be achieved within a year for an air velocity of 1 m/s and that the drying process was faster during the hot seasons than in cold seasons (430 h vs. 600 hr). Continued ventilation reduced the drying time, thereby increasing the number of drying cycles (33 vs. 15). Additionally, increasing the air velocity by 100% resulted in more than a 100% increase in the number of drying cycles; doubling the air velocity for thicker boards also resulted in an increase in drying cycles (23 vs. 15).

Suggested Citation

  • Bekkioui, Naoual & El hakiki, Sarra & Rachadi, Abdeljalil & Ez-Zahraouy, Hamid, 2020. "One-year simulation of a solar wood dryer with glazed walls in a Moroccan climate," Renewable Energy, Elsevier, vol. 155(C), pages 770-782.
    • Handle: RePEc:eee:renene:v:155:y:2020:i:c:p:770-782
    DOI: 10.1016/j.renene.2020.03.131
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    References listed on IDEAS

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    1. Bentayeb, F. & Bekkioui, N. & Zeghmati, B., 2008. "Modelling and simulation of a wood solar dryer in a Moroccan climate," Renewable Energy, Elsevier, vol. 33(3), pages 501-506.
    2. Luna, D. & Nadeau, J.-P. & Jannot, Y., 2009. "Solar timber kilns: State of the art and foreseeable developments," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(6-7), pages 1446-1455, August.
    3. Khouya, A. & Draoui, A., 2019. "Computational drying model for solar kiln with latent heat energy storage: Case studies of thermal application," Renewable Energy, Elsevier, vol. 130(C), pages 796-813.
    4. Luna, D. & Nadeau, J.-P. & Jannot, Y., 2010. "Model and simulation of a solar kiln with energy storage," Renewable Energy, Elsevier, vol. 35(11), pages 2533-2542.
    5. Pirasteh, G. & Saidur, R. & Rahman, S.M.A. & Rahim, N.A., 2014. "A review on development of solar drying applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 133-148.
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    Cited by:

    1. Bekkioui, Naoual, 2021. "Performance comparison and economic analysis of three solar dryer designs for wood using a numerical simulation," Renewable Energy, Elsevier, vol. 164(C), pages 815-823.
    2. Lamrani, Bilal & Kuznik, Frédéric & Ajbar, Abdelhamid & Boumaza, Mourad, 2021. "Energy analysis and economic feasibility of wood dryers integrated with heat recovery unit and solar air heaters in cold and hot climates," Energy, Elsevier, vol. 228(C).
    3. Chtioui, Salwa & Khouya, Ahmed, 2024. "Optimizing solar energy for wood drying under various climates: A comparative study of flat plate and photovoltaic thermal solar collectors," Renewable Energy, Elsevier, vol. 221(C).

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