Thermo-hydrodynamic behavior of an innovative solar chimney
Kebabsa, Hakim1; Lounici, Mohand Said1; Lebbi, Mohamed2; Daimallah, Ahmed1
Corresponding AuthorLounici, Mohand Said
Year Published2020
Abstract in EnglishProduction 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 degrees) 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. (c) 2019 Elsevier Ltd. All rights reserved.
Keyword in EnglishSolar chimney Sloped collector entrance Natural convection Solar energy
Indexed BySCI-E
WOS IDWOS:000506910000056
WOS SubjectGreen & Sustainable Science & Technology ; Energy & Fuels
WOS Research AreaScience & Technology - Other Topics ; Energy & Fuels
EI Keywords2020-01-01
Document Type期刊论文
Affiliation1.Univ MHamed Bougara Boumedes, FSI, LEMI, Ave Independance, Ghardaia 35000, Algeria;
2.URAER, CDER, Ghardaia 47133, Algeria
Recommended Citation
GB/T 7714
Kebabsa, Hakim,Lounici, Mohand Said,Lebbi, Mohamed,et al. Thermo-hydrodynamic behavior of an innovative solar chimney[J],2020,145:2074-2090.
APA Kebabsa, Hakim,Lounici, Mohand Said,Lebbi, Mohamed,&Daimallah, Ahmed.(2020).Thermo-hydrodynamic behavior of an innovative solar chimney.RENEWABLE ENERGY,145,2074-2090.
MLA Kebabsa, Hakim,et al."Thermo-hydrodynamic behavior of an innovative solar chimney".RENEWABLE ENERGY 145(2020):2074-2090.
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