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Herschel-Bulkley Fluid Flow Characteristics in a Duct With an Obstacle

[+] Author Affiliations
Nariman Ashrafi, Ali Sadeghi, Armin Chegini, Mehdi Shafahi

Islamic Azad University, Tehran, Iran

Paper No. IMECE2018-87092, pp. V007T09A038; 6 pages
  • ASME 2018 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids Engineering
  • Pittsburgh, Pennsylvania, USA, November 9–15, 2018
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5210-1
  • Copyright © 2018 by ASME


This study is focused on the flow of the shear thinning and shear thickening fluids of Herschel-Bulkley type past a partial vertical wall in between the plates. Upon numerically solving the continuity and momentum equations the flow is analyzed throughout the domain using a finite volume scheme. The shear stress at the wall together with velocity distribution are evaluated and compared to experimental results for several values of Herschel-Bulkley coefficients for fluidity and flow behavior index. Dynamic viscosity and other flow variables are calculated throughout the flow domain.

Copyright © 2018 by ASME



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