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Viscoelastic Flow in Teardrop-Shaped Tubes: Transversal Field

[+] Author Affiliations
Mario F. Letelier, Dennis A. Siginer, Sebastian Gutiérrez, Pablo Arratia, Amaru González

University of Santiago of Chile, Santiago, Chile

Paper No. IMECE2016-65436, pp. V007T09A025; 4 pages
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids Engineering
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5061-9
  • Copyright © 2016 by ASME


We present an analytical study of secondary flows in tubes of teardrop shape for a viscoelastic fluid described by the Phan-Thien-Tanner (PPT) model. The analytical development is based on a one-to-one mapping (shape function) to describe the teardrop contour and the expansion of field variables into asymptotic series in terms of the Weissenberg number Wi. Secondary flows and the temperature field are determined solving the hierarchical set of equations resulting from the asymptotic series expansions.

Copyright © 2016 by ASME
Topics: Flow (Dynamics)



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