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Article Dans Une Revue Chemical Engineering Research and Design Année : 2021

Passive thermal regulation approach for Algofilm © photobioreactor through phase change

Résumé

This study deals with the development of a self-sustained passive thermal regulation technique in Algofilm © solar photobioreactor. The reported experimental investigation includes, the evaluation of an average equivalent condensate film thickness, in indoor operating conditions, as function of the flowing liquid T l and ambient T amb temperatures, inclination angle as well as air flowrate. For instance, an average condensate film thickness of 2.2 ± 0.2 mm at T l = 50 • C, for liquid flow rate of 0.08 l/s and = 4 • in steady state conditions was recorded. Furthermore, a correlation estimating the condensation rate as function of the flowing liquid and ambient temperatures, was developed. A theoretical, heat and mass transfer model was proposed and validated with the indoor experimental results. The numerical predictions of the model adapted to a simulated sunny day were in good agreement with the experimental recordings. This validation evidenced the model applicability to real solar conditions, where an accurate evaluation of the condensed water is required for predicting the infrared filtration.
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Dates et versions

hal-03609169 , version 1 (15-03-2022)

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Citer

Kashif Mangi, Zakaria Larbi, Jack Legrand, Jeremy Pruvost, El-Khider Si-Ahmed. Passive thermal regulation approach for Algofilm © photobioreactor through phase change. Chemical Engineering Research and Design, 2021, 168, pp.411 - 425. ⟨10.1016/j.cherd.2021.02.013⟩. ⟨hal-03609169⟩
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