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Stage Re-Matching as a Result of Droplet Evaporation in a Compressor FREE

[+] Author Affiliations
Rainer K. Ludorf

Stuttgart University, Germany

Robin L. Elder

Cranfield University, UK

Turid H. Tronbøl, Jan Øverli

Trondheim University, Norway

Paper No. 95-GT-194, pp. V001T01A053; 9 pages
doi:10.1115/95-GT-194
From:
  • ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 1: Turbomachinery
  • Houston, Texas, USA, June 5–8, 1995
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7878-1
  • Copyright © 1995 by ASME

abstract

An existing one dimensional stagewise compressor stability analysis programme has been extended to incorporate a model for humidity and droplet evaporation. In its modified form the model shows the extent of stage re-matching when ingesting modest amounts of water. The water distribution throughout the flow is assumed to be homogeneous. The stage interactions of an aircraft engine compressor are investigated for different environmental operating conditions. The effects of humidity on stage loading are small while the evaporation of water causes a significant shift of the operating point along the characteristics.

Copyright © 1995 by ASME
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