Flow Investigation in a Small High Speed Impeller Passage Using Laser Anemometry PUBLIC ACCESS

[+] Author Affiliations
N. A. Ahmed, R. L. Elder

Cranfield Institute of Technology, Cranfield, Bedford

Paper No. 90-GT-233, pp. V001T01A080; 8 pages
  • ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Brussels, Belgium, June 11–14, 1990
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7904-7
  • Copyright © 1990 by ASME


The paper describes experimental results obtained using laser velocimetry in a small high speed centrifugal impeller. The formation of wakes and the effect of varying speed and mass flow rate on the flow within the impeller passages are presented. In addition, an indication of the three dimensional nature of the impeller flow is discussed (the three dimensional results being obtained using a novel Doppler anemometer).

Copyright © 1990 by ASME
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