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The Jet-Flap in Centrifugal Turbo Machines PUBLIC ACCESS

[+] Author Affiliations
F. R. Goldschmied

University of Utah, Salt Lake City, UT

Paper No. 68-GT-56, pp. V001T01A056; 13 pages
doi:10.1115/68-GT-56
From:
  • ASME 1968 Gas Turbine Conference and Products Show
  • ASME 1968 Gas Turbine Conference and Products Show
  • Washington, DC, USA, March 17–21, 1968
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7987-0
  • Copyright © 1968 by ASME

abstract

Increased flow and pressure rise at constant speed have been achieved for a centrifugal impeller by application of the jet-flap and of mechanical tip flaps to backward-curved airfoil blades. Flow increments up to 16 percent and pressure increments up to 36 percent have been obtained with a control efficiency of 85 percent. Peak total-to-total efficiencies of the basic impeller have been found to be over 88 percent. An experimental correlation has been found for radial jet-flap cascades between lift increment and jet thrust, cascade solidity, jet angle, and effective blade aspect ratio.

Copyright © 1968 by ASME
This article is only available in the PDF format.

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