American Journal of Energy Engineering

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Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer

Received: 9 October 2023    Accepted: 27 October 2023    Published: 9 November 2023
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Abstract

In this work a hybrid solar dryer is designed and its performance is experimentally evaluated. The user can set the drying parameters regarding the fruits to dry, and after the drying process started it can last a 12-hour drying cycle. It is designed to have maximum storage capacity of 10 kg. It can be configured to operate within the temperature range recommended for drying the product present. Two electrical sources (solar photovoltaic and conventional electricity) supplied the control system. This control system ensures the permanent presence of one of the two additional thermal sources (i e., the heating resistors and the energy gas). This makes it possible to obtain and maintain the recommended temperature range in the drying chamber. The simulation of the airflow distribution inside the device was performed with ANSYS Fluent software for the solar thermal mode and in case of an empty drying chamber. It showed that the drying-air is well distributed in the drying chamber and that the temperature inside the drying chamber is around 60°C. The performance tests, in a real environment (empty drying chamber and with loaded drying chamber), are used to validate the results of the simulations carried out and to assess the operation of the control system for a temperature range of 45 to 60°C. The maximum temperature reached in natural convection when the dryer is empty is 56.7°C. Tests made on pineapples slices showed that the dryer can reduce water from 80-86% to 6% in 12h. The use of this dryer will not only make it possible to carry out drying at any time of the day, but will also help to reduce the drying time of the products, while preserving their nutritional values.

DOI 10.11648/j.ajee.20231104.12
Published in American Journal of Energy Engineering (Volume 11, Issue 4, December 2023)
Page(s) 110-119
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Hybrid Solar Dryer, Modelling, Simulation, Fruit Drying, ANSYS Fluent

References
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[16] A. Afzal et al., «Development of a hybrid mixed-mode solar dryer for product drying», Heliyon, vol. 9, no 3, p. e14144, mars 2023, doi: 10.1016/j.heliyon.2023.e14144.
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Cite This Article
  • APA Style

    Nounangnonhou, C. T., Tossa, K. A., Sèmassou, G. C., Nounagnon, B. (2023). Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer. American Journal of Energy Engineering, 11(4), 110-119. https://doi.org/10.11648/j.ajee.20231104.12

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    ACS Style

    Nounangnonhou, C. T.; Tossa, K. A.; Sèmassou, G. C.; Nounagnon, B. Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer. Am. J. Energy Eng. 2023, 11(4), 110-119. doi: 10.11648/j.ajee.20231104.12

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    AMA Style

    Nounangnonhou CT, Tossa KA, Sèmassou GC, Nounagnon B. Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer. Am J Energy Eng. 2023;11(4):110-119. doi: 10.11648/j.ajee.20231104.12

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  • @article{10.11648/j.ajee.20231104.12,
      author = {Cossi Télesphore Nounangnonhou and Kossoun Alain Tossa and Guy Clarence Sèmassou and Baudon Nounagnon},
      title = {Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer},
      journal = {American Journal of Energy Engineering},
      volume = {11},
      number = {4},
      pages = {110-119},
      doi = {10.11648/j.ajee.20231104.12},
      url = {https://doi.org/10.11648/j.ajee.20231104.12},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajee.20231104.12},
      abstract = {In this work a hybrid solar dryer is designed and its performance is experimentally evaluated. The user can set the drying parameters regarding the fruits to dry, and after the drying process started it can last a 12-hour drying cycle. It is designed to have maximum storage capacity of 10 kg. It can be configured to operate within the temperature range recommended for drying the product present. Two electrical sources (solar photovoltaic and conventional electricity) supplied the control system. This control system ensures the permanent presence of one of the two additional thermal sources (i e., the heating resistors and the energy gas). This makes it possible to obtain and maintain the recommended temperature range in the drying chamber. The simulation of the airflow distribution inside the device was performed with ANSYS Fluent software for the solar thermal mode and in case of an empty drying chamber. It showed that the drying-air is well distributed in the drying chamber and that the temperature inside the drying chamber is around 60°C. The performance tests, in a real environment (empty drying chamber and with loaded drying chamber), are used to validate the results of the simulations carried out and to assess the operation of the control system for a temperature range of 45 to 60°C. The maximum temperature reached in natural convection when the dryer is empty is 56.7°C. Tests made on pineapples slices showed that the dryer can reduce water from 80-86% to 6% in 12h. The use of this dryer will not only make it possible to carry out drying at any time of the day, but will also help to reduce the drying time of the products, while preserving their nutritional values.
    },
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Design and Experimental Evaluation of a Fruits Hybrid-Solar Dryer
    AU  - Cossi Télesphore Nounangnonhou
    AU  - Kossoun Alain Tossa
    AU  - Guy Clarence Sèmassou
    AU  - Baudon Nounagnon
    Y1  - 2023/11/09
    PY  - 2023
    N1  - https://doi.org/10.11648/j.ajee.20231104.12
    DO  - 10.11648/j.ajee.20231104.12
    T2  - American Journal of Energy Engineering
    JF  - American Journal of Energy Engineering
    JO  - American Journal of Energy Engineering
    SP  - 110
    EP  - 119
    PB  - Science Publishing Group
    SN  - 2329-163X
    UR  - https://doi.org/10.11648/j.ajee.20231104.12
    AB  - In this work a hybrid solar dryer is designed and its performance is experimentally evaluated. The user can set the drying parameters regarding the fruits to dry, and after the drying process started it can last a 12-hour drying cycle. It is designed to have maximum storage capacity of 10 kg. It can be configured to operate within the temperature range recommended for drying the product present. Two electrical sources (solar photovoltaic and conventional electricity) supplied the control system. This control system ensures the permanent presence of one of the two additional thermal sources (i e., the heating resistors and the energy gas). This makes it possible to obtain and maintain the recommended temperature range in the drying chamber. The simulation of the airflow distribution inside the device was performed with ANSYS Fluent software for the solar thermal mode and in case of an empty drying chamber. It showed that the drying-air is well distributed in the drying chamber and that the temperature inside the drying chamber is around 60°C. The performance tests, in a real environment (empty drying chamber and with loaded drying chamber), are used to validate the results of the simulations carried out and to assess the operation of the control system for a temperature range of 45 to 60°C. The maximum temperature reached in natural convection when the dryer is empty is 56.7°C. Tests made on pineapples slices showed that the dryer can reduce water from 80-86% to 6% in 12h. The use of this dryer will not only make it possible to carry out drying at any time of the day, but will also help to reduce the drying time of the products, while preserving their nutritional values.
    
    VL  - 11
    IS  - 4
    ER  - 

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Author Information
  • Laboratory of Energetics and Applied Mechanics (LEMA), University of Abomey-Calavi, Cotonou, Benin; Laboratory of Electrotechnics, Telecommunications and Applied Informatics (LETIA), University of Abomey-Calavi, Cotonou, Benin

  • Laboratory of Energetics and Applied Mechanics (LEMA), University of Abomey-Calavi, Cotonou, Benin

  • Laboratory of Energetics and Applied Mechanics (LEMA), University of Abomey-Calavi, Cotonou, Benin

  • Laboratory of Energetics and Applied Mechanics (LEMA), University of Abomey-Calavi, Cotonou, Benin

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