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Experimental Study of the Effect of Water Spray in the Air on Thermal Transfers Along a Plate of an Exchanger

Abstract : This study is an experimental investigation of the oceanic environment effect on a plate heat exchanger performance. Indeed, an experiment was carried out on a single plate of the exchanger to generate a turbulent airflow in which fine water droplets were injected into a horizontal vein where a heated plate was placed. The experimental tests were conducted for different air velocities and various water concentrations of freshwater and saltwater. In fact, two plate forms were considered: The first one is flat while the second is corrugated. Three main facts were observed in this work: (i) the correlations linking the heat transfer rate to the operating conditions, (ii) the effect of fog addition and the plate form on convective heat transfers, and (iii) the impact of the formation of a salt layer on the surface of the plate in the case of salt water.
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https://hal-uphf.archives-ouvertes.fr/hal-03440829
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Submitted on : Monday, November 22, 2021 - 3:32:41 PM
Last modification on : Tuesday, November 23, 2021 - 3:46:39 AM

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Nihel Grich, Walid Foudhil, Souad Harmand, Sadok Ben Jabrallah. Experimental Study of the Effect of Water Spray in the Air on Thermal Transfers Along a Plate of an Exchanger. Journal of Heat Transfer, American Society of Mechanical Engineers, 2020, 142 (5), ⟨10.1115/1.4046348⟩. ⟨hal-03440829⟩

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