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Experimental investigation on the evaporation of a wet porous layer inside a vertical channel with resolution of the heat equation by inverse method

Abstract : In this paper, we realize an Experimental study of the evaporation of a wet porous layer inside a vertical channel. To develop this study, an experimental dispositive was realised. We measure the temperature along the plate and the evaporated flow rate using the test bed. From these measurements we note that the profiles of the temperature are divided into two areas: the heating and the evaporation zone. We also note that the use of the porous layer is more efficient for high heating flux and low liquid inlet flow. In addition, we studied different dimensionless numbers by solving the energy equation by inverse method. We note that the latent Nusselt number is more important than the sensible Nusselt Number, which proves that the flow dissipated by evaporation is greater than the one used by the film to increase its temperature.
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Submitted on : Wednesday, December 1, 2021 - 3:48:40 PM
Last modification on : Tuesday, May 17, 2022 - 4:27:23 PM

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Amine Terzi, Walid Foudhil, Souad Harmand, Sadok Ben Jabrallah. Experimental investigation on the evaporation of a wet porous layer inside a vertical channel with resolution of the heat equation by inverse method. Energy Conversion and Management, Elsevier, 2016, 126, pp.158-167. ⟨10.1016/j.enconman.2016.07.085⟩. ⟨hal-03461988⟩

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