Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector

Abraham Tetang Fokone; Adrian-Gabriel Ghiaus

doi:doi:10.11648/j.sjee.20190704.13

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Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector

Abraham Tetang Fokone, Adrian-Gabriel Ghiaus

Published in Science Journal of Energy Engineering (Volume 7, Issue 4)

Received: 20 September 2019 Accepted: 17 October 2019 Published: 28 October 2019

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Abstract

This work focused on the numerical study of the thermal performance of a solar collector in order to improve the indirect solar drying of fruit in an environment with high solar potential. It aims to contribute to the reduction of post-harvest losses observed during periods of high production. From the retained physical model, an equivalent electrical scheme has been established and energy balance was applied to each slice of the model using the nodal method. The obtained different equations were discretized using the implicit method of finite differences, and solved by the iterative Gaussian Pivot method written in FORTRAN program. The obtained results showed that, from April to June (mangoes harvest period in Ngaoundere city) the raining period in Adamawa Region, the solar air collector that length to width ratio is between 2 and 3, is sufficient to carry out indirect solar drying of fruits with forced convection. The outlet air temperature of the solar collector was between 45 and 60°C with an average value of 50°C, and the thermal efficiency was between 65 and 95% with an average value of 80%. Double glazing improves efficiency of the solar air collector for a small footprint.

Published in	Science Journal of Energy Engineering (Volume 7, Issue 4)
DOI	10.11648/j.sjee.20190704.13
Page(s)	67-76
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), 2019. Published by Science Publishing Group

Keywords

Thermal Performance, Solar Collector, Unidirectional Flow, Double Air Pass, Modeling

References

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APA Style

Abraham Tetang Fokone, Adrian-Gabriel Ghiaus. (2019). Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Science Journal of Energy Engineering, 7(4), 67-76. https://doi.org/10.11648/j.sjee.20190704.13

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ACS Style

Abraham Tetang Fokone; Adrian-Gabriel Ghiaus. Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Sci. J. Energy Eng. 2019, 7(4), 67-76. doi: 10.11648/j.sjee.20190704.13

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AMA Style

Abraham Tetang Fokone, Adrian-Gabriel Ghiaus. Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Sci J Energy Eng. 2019;7(4):67-76. doi: 10.11648/j.sjee.20190704.13

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@article{10.11648/j.sjee.20190704.13,
  author = {Abraham Tetang Fokone and Adrian-Gabriel Ghiaus},
  title = {Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector},
  journal = {Science Journal of Energy Engineering},
  volume = {7},
  number = {4},
  pages = {67-76},
  doi = {10.11648/j.sjee.20190704.13},
  url = {https://doi.org/10.11648/j.sjee.20190704.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjee.20190704.13},
  abstract = {This work focused on the numerical study of the thermal performance of a solar collector in order to improve the indirect solar drying of fruit in an environment with high solar potential. It aims to contribute to the reduction of post-harvest losses observed during periods of high production. From the retained physical model, an equivalent electrical scheme has been established and energy balance was applied to each slice of the model using the nodal method. The obtained different equations were discretized using the implicit method of finite differences, and solved by the iterative Gaussian Pivot method written in FORTRAN program. The obtained results showed that, from April to June (mangoes harvest period in Ngaoundere city) the raining period in Adamawa Region, the solar air collector that length to width ratio is between 2 and 3, is sufficient to carry out indirect solar drying of fruits with forced convection. The outlet air temperature of the solar collector was between 45 and 60°C with an average value of 50°C, and the thermal efficiency was between 65 and 95% with an average value of 80%. Double glazing improves efficiency of the solar air collector for a small footprint.},
 year = {2019}
}

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TY  - JOUR
T1  - Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector
AU  - Abraham Tetang Fokone
AU  - Adrian-Gabriel Ghiaus
Y1  - 2019/10/28
PY  - 2019
N1  - https://doi.org/10.11648/j.sjee.20190704.13
DO  - 10.11648/j.sjee.20190704.13
T2  - Science Journal of Energy Engineering
JF  - Science Journal of Energy Engineering
JO  - Science Journal of Energy Engineering
SP  - 67
EP  - 76
PB  - Science Publishing Group
SN  - 2376-8126
UR  - https://doi.org/10.11648/j.sjee.20190704.13
AB  - This work focused on the numerical study of the thermal performance of a solar collector in order to improve the indirect solar drying of fruit in an environment with high solar potential. It aims to contribute to the reduction of post-harvest losses observed during periods of high production. From the retained physical model, an equivalent electrical scheme has been established and energy balance was applied to each slice of the model using the nodal method. The obtained different equations were discretized using the implicit method of finite differences, and solved by the iterative Gaussian Pivot method written in FORTRAN program. The obtained results showed that, from April to June (mangoes harvest period in Ngaoundere city) the raining period in Adamawa Region, the solar air collector that length to width ratio is between 2 and 3, is sufficient to carry out indirect solar drying of fruits with forced convection. The outlet air temperature of the solar collector was between 45 and 60°C with an average value of 50°C, and the thermal efficiency was between 65 and 95% with an average value of 80%. Double glazing improves efficiency of the solar air collector for a small footprint.
VL  - 7
IS  - 4
ER  -

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Author Information

Abraham Tetang Fokone

Laboratory of Energetic and Thermal Applied, ENSAI/University of Ngaoundere, Ngaoundere, Cameroon
Adrian-Gabriel Ghiaus

Doctoral School, Technical University of Civil Engineering of Bucharest, Bucharest, Romania

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Plain Text BibTeX RIS

APA Style

Abraham Tetang Fokone, Adrian-Gabriel Ghiaus. (2019). Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Science Journal of Energy Engineering, 7(4), 67-76. https://doi.org/10.11648/j.sjee.20190704.13

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ACS Style

Abraham Tetang Fokone; Adrian-Gabriel Ghiaus. Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Sci. J. Energy Eng. 2019, 7(4), 67-76. doi: 10.11648/j.sjee.20190704.13

Copy | Download

AMA Style

Abraham Tetang Fokone, Adrian-Gabriel Ghiaus. Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector. Sci J Energy Eng. 2019;7(4):67-76. doi: 10.11648/j.sjee.20190704.13

Copy | Download

@article{10.11648/j.sjee.20190704.13,
  author = {Abraham Tetang Fokone and Adrian-Gabriel Ghiaus},
  title = {Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector},
  journal = {Science Journal of Energy Engineering},
  volume = {7},
  number = {4},
  pages = {67-76},
  doi = {10.11648/j.sjee.20190704.13},
  url = {https://doi.org/10.11648/j.sjee.20190704.13},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjee.20190704.13},
  abstract = {This work focused on the numerical study of the thermal performance of a solar collector in order to improve the indirect solar drying of fruit in an environment with high solar potential. It aims to contribute to the reduction of post-harvest losses observed during periods of high production. From the retained physical model, an equivalent electrical scheme has been established and energy balance was applied to each slice of the model using the nodal method. The obtained different equations were discretized using the implicit method of finite differences, and solved by the iterative Gaussian Pivot method written in FORTRAN program. The obtained results showed that, from April to June (mangoes harvest period in Ngaoundere city) the raining period in Adamawa Region, the solar air collector that length to width ratio is between 2 and 3, is sufficient to carry out indirect solar drying of fruits with forced convection. The outlet air temperature of the solar collector was between 45 and 60°C with an average value of 50°C, and the thermal efficiency was between 65 and 95% with an average value of 80%. Double glazing improves efficiency of the solar air collector for a small footprint.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Influence of Geometric Parameters on the Thermal Performances of a Double Air Pass Solar Collector
AU  - Abraham Tetang Fokone
AU  - Adrian-Gabriel Ghiaus
Y1  - 2019/10/28
PY  - 2019
N1  - https://doi.org/10.11648/j.sjee.20190704.13
DO  - 10.11648/j.sjee.20190704.13
T2  - Science Journal of Energy Engineering
JF  - Science Journal of Energy Engineering
JO  - Science Journal of Energy Engineering
SP  - 67
EP  - 76
PB  - Science Publishing Group
SN  - 2376-8126
UR  - https://doi.org/10.11648/j.sjee.20190704.13
AB  - This work focused on the numerical study of the thermal performance of a solar collector in order to improve the indirect solar drying of fruit in an environment with high solar potential. It aims to contribute to the reduction of post-harvest losses observed during periods of high production. From the retained physical model, an equivalent electrical scheme has been established and energy balance was applied to each slice of the model using the nodal method. The obtained different equations were discretized using the implicit method of finite differences, and solved by the iterative Gaussian Pivot method written in FORTRAN program. The obtained results showed that, from April to June (mangoes harvest period in Ngaoundere city) the raining period in Adamawa Region, the solar air collector that length to width ratio is between 2 and 3, is sufficient to carry out indirect solar drying of fruits with forced convection. The outlet air temperature of the solar collector was between 45 and 60°C with an average value of 50°C, and the thermal efficiency was between 65 and 95% with an average value of 80%. Double glazing improves efficiency of the solar air collector for a small footprint.
VL  - 7
IS  - 4
ER  -

Copy | Download