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Thermo-hydrodynamic behavior of an innovative solar chimney

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  • Kebabsa, Hakim
  • Lounici, Mohand Said
  • Lebbi, Mohamed
  • Daimallah, Ahmed

Abstract

Production of electricity through solar systems is a viable alternative, especially for deserted regions where access to electricity is difficult. Solar chimney power plant (SCPP) is one of the promising concepts in renewable energy technology that needs performance enhancement. The objective of this research is to investigate a novel concept, which consists of a horizontal solar chimney power plant with an adapted collector entrance, named sloped collector entrance SCPP (SCESCPP). The effect of the collector entrance shape (slope, sloping distance) is investigated. For each sloping distance, eleven values for the slope are examined. Thus, a numerical investigation is carried out using a 2D axisymmetric chimney model. The model was first validated using experimental results. The influence on air thermo-hydrodynamic behavior of this system is comprehensively studied to enhance the understanding and deepen the analysis in order to improve the performance of the SCPP. The results indicate that the new collector entrance design influences the system performance in a significant manner. It is shown that the best performing configuration (sloping distance of 0.8 and slope of 9.1°) produces an available power reaching 16.36% more than that for zero slope collector roof at same conditions. Moreover, it is found that the optimal slope depends on sloping distance and remains almost the same for different Rayleigh numbers.

Suggested Citation

  • Kebabsa, Hakim & Lounici, Mohand Said & Lebbi, Mohamed & Daimallah, Ahmed, 2020. "Thermo-hydrodynamic behavior of an innovative solar chimney," Renewable Energy, Elsevier, vol. 145(C), pages 2074-2090.
    • Handle: RePEc:eee:renene:v:145:y:2020:i:c:p:2074-2090
    DOI: 10.1016/j.renene.2019.07.121
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    Citations

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    Cited by:

    1. Mehdipour, Ramin & Baniamerian, Zahra & Golzardi, Sajad & Murshed, S.M. Sohel, 2020. "Geometry modification of solar collector to improve performance of solar chimneys," Renewable Energy, Elsevier, vol. 162(C), pages 160-170.
    2. Mehdipour, R. & Golzardi, S. & Baniamerian, Z., 2020. "Experimental justification of poor thermal and flow performance of solar chimney by an innovative indoor experimental setup," Renewable Energy, Elsevier, vol. 157(C), pages 1089-1101.
    3. Salari, Ali & Shakibi, Hamid & Alimohammadi, Mahdieh & Naghdbishi, Ali & Goodarzi, Shadi, 2023. "A machine learning approach to optimize the performance of a combined solar chimney-photovoltaic thermal power plant," Renewable Energy, Elsevier, vol. 212(C), pages 717-737.
    4. Fallah, Seyyed Hossein & Valipour, Mohammad Sadegh, 2022. "Numerical investigation of a small scale sloped solar chimney power plant," Renewable Energy, Elsevier, vol. 183(C), pages 1-11.
    5. Weli, Rizgar Bakr & Atrooshi, Soorkeu A. & Schwarze, Ruediger, 2021. "Investigation of the performance parameters of a sloped collector solar chimney model – An adaptation for the North of Iraq," Renewable Energy, Elsevier, vol. 176(C), pages 504-519.
    6. Kebabsa, Hakim & Said Lounici, Mohand & Daimallah, Ahmed, 2021. "Numerical investigation of a novel tower solar chimney concept," Energy, Elsevier, vol. 214(C).
    7. Singh, Ajeet Pratap & Kumar, Amit & Akshayveer, & Singh, O.P., 2021. "A novel concept of integrating bell-mouth inlet in converging-diverging solar chimney power plant," Renewable Energy, Elsevier, vol. 169(C), pages 318-334.
    8. Torkfar, Arman & Arefian, Amir & Hosseini-Abardeh, Reza & Bahrami, Mohsen, 2023. "Implementation of active and passive control strategies for power generation in a solar chimney power plant: A technical evaluation of Manzanares prototype," Renewable Energy, Elsevier, vol. 216(C).
    9. Aziz, Mohamed A. & Elsayed, Ahmed M., 2022. "Thermofluid effects of solar chimney geometry on performance parameters," Renewable Energy, Elsevier, vol. 200(C), pages 674-693.

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