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

François Beaubert, Halldór Pálsson, Sylvain Lalot*, Isabelle Choquet, Hadrien Bauduin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
JournalComptes Rendus - Mecanique
Volume343
Issue number1
DOIs
Publication statusPublished - 1 Jan 2015

Bibliographical note

Publisher Copyright:
© 2014 Académie des sciences.

Other keywords

  • Bézier
  • Computational fluid dynamics
  • Decay
  • Laminar
  • OpenFOAM
  • Swirl

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