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Design of a device to induce swirling flow in pipes: A rational approach

Abstract : In this study, a rational approach is proposed to design a device for inducing swirling flow in heat exchanger pipes, for improved efficiency in the laminar regime. First, 2D computational fluid dynamics results lead to select, among four profiles, the blade profile with the most favorable lift to drag ratio. Then, the fluid flow in the swirler made with the selected blade profile is simulated in 3D, for Reynolds numbers ranging from 50 to 1600. Based on the simulation results, an analytic approximation of the evolution of the tangential fluid velocity is proposed as a function of the Reynolds number
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Submitted on : Friday, November 26, 2021 - 5:14:00 PM
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François Beaubert, Halldor Pálsson, Sylvain Lalot, Isabelle Choquet, Hadrien Bauduin. Design of a device to induce swirling flow in pipes: A rational approach. Comptes Rendus Mécanique, Elsevier, 2015, 343 (1), pp.1-12. ⟨10.1016/j.crme.2014.09.004⟩. ⟨hal-03452026⟩



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