Mémoires de fin d 'études Technologie G.M

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Improving Heat Transfer in Vertical and Horizontal Tubes
(Higher Normal School of Technological Education - Skikda -, 2024) Bettiche, Bouthaina; Atamnia, Abir; Merimech, Imane
This research addresses the highly important topic of "Enhancing Heat Transfer in Horizontal and Vertical Pipes," within the field of thermal engineering. The aim of this study is to investigate the factors influencing heat transfer efficiency and to develop techniques for its improvement under the influence of forced internal heat load. Using simulation and numerical modeling software Gambit and Fluent, the study provided an opportunity to analyze the thermal behavior of pipes with high precision. The Finite Volume Method was adopted for heat transfer efficiency analysis by solving equations based on the k−ε model. Experimental results revealed that in both horizontal and vertical pipes, with and without control elements at various positions, heat transfer efficiency in the laminar system is superior when employing control elements at three positions. Conversely, in the turbulent system, natural heat transfer efficiency is better than when control elements are added. It was also concluded that heat transfer efficiency in the turbulent system is superior to the laminar system. Finally, the use of control elements in horizontal and vertical pipes enhances heat transfer.