• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

Experimental Study of the Airflow in Natural Convection in an Innovative Prototype of Solar Chimney Power Plant, under Climatic Conditions in Ouagadougou, Burkina Faso
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Indian Journal of Science and Technology

DOI: 10.17485/IJST/v15i14.1737

Year: 2022, Volume: 15, Issue: 14, Pages: 619-629

Original Article

Experimental Study of the Airflow in Natural Convection in an Innovative Prototype of Solar Chimney Power Plant, under Climatic Conditions in Ouagadougou, Burkina Faso

Salifou Ouédraogo1*, Moctar Ousmane2, Ladifata Mogmenga1, Thierry Sikoudouin Maurice Ky, Sié Kam1, Joseph Bathiébo1

1Laboratory L.E.T.RE, University and KIZERBO, Ouagadougou 03, 7021, Burkina Faso
2University of Agadez, 199, Niger

*Corresponding Author
Email: [email protected]

Received Date:19 September 2021, Accepted Date:24 February 2022, Published Date:09 April 2022

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

Objectives: In sunny regions, chimney solar power plants are a promising technology because they depend mainly on solar energy. However, chimney solar power plants require an optimal design of the power plant components to improve its reliability and scalability. As the collector is one of the essential components of the solar chimney power plant, this study presents an experimental study that aims to improve the thermo-aerodynamic parameters of the airflow involved. Methods: We used mini hemispherical concentrators in the collector as an innovation and the experimental conditions are those of a dry tropical zone during the dry season. Temperature and velocity were measured during a measurement campaign. Findings: The analysis of the results showed an improvement of the thermo-aerodynamic parameters, in particular the air temperature in the collector and its velocity in the chimney, with maximum values reaching 78.35 ◦C and 2.87 m/s respectively. We also note an improvement of the thermal field of 24.4 % and the dynamic field of 58.6% compared to a conventional solar chimney model of the same dimensions. A thermal efficiency of 68.88 % was achieved. These values highlight the innovation relevance and the performance improvement of the solar chimney prototype.

Keywords: Experimentation; Airflow; Natural Convection; Solar Chimney Power Plant; Hemispherical Reflector

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Copyright

© 2022 Ouédraogo et al.  This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Published By Indian Society for Education and Environment (iSee)

  • 11 April 2022

Year: 2022, Volume: 15, Issue: 14

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