The Impulse Blower PUBLIC ACCESS

[+] Author Affiliations
Herman E. Sheets

EG & G Rotron, Inc., Groton, CT

Paper No. 91-GT-194, pp. V001T01A071; 10 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7898-9
  • Copyright © 1991 by ASME


The impulse blower provides essentially constant relative flow velocity through the impeller so that impeller blade entrance and exit velocity are equal. This results in a large guide vane entrance velocity and requires relatively large guide vane flow deflections. Special consideration must be given to assure that the flow through the blower is established in the desired direction. The impulse blower can operate with a large pressure coefficient which in turn permits using a small impeller diameter together with a small casing. Two blowers have been built and tested to evaluate performance and noise of impulse blowers. They confirm the expected reduction in size, weight and space under otherwise similar operating conditions.

Copyright © 1991 by ASME
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