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Certain Effects of Blade-Geometry and of Inlet-Recirculation on the Distribution of the Meridian Velocities at the Impeller-Outlet

[+] Author Affiliations
S. Yedidiah

Centrifugal Pump Consultant, West Orange, NJ

Paper No. FEDSM2005-77041, pp. 1103-1107; 5 pages
  • ASME 2005 Fluids Engineering Division Summer Meeting
  • Volume 1: Symposia, Parts A and B
  • Houston, Texas, USA, June 19–23, 2005
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-4198-7 | eISBN: 0-7918-3760-2
  • Copyright © 2005 by ASME


This study discusses certain causes of the differences in the distribution of the meridian velocity-components of the pumped liquid, at the outlet of a rotodynamic impeller. In particular, it explains the seemingly enigmatic fact that, at design-flow, there have been observed very large differences in the shroud-to-shroud distribution of the meridian velocity-components of the liquid at the outlet of the impeller. Against this, below a certain partial flow-rate, the shroud-to-shroud distribution of these velocity-components became much more uniform.

Copyright © 2005 by ASME
Topics: Impellers , Blades , Geometry



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