Evaluation of Compressor Inlet Flow Conditioners FREE

[+] Author Affiliations
Ahmad Haidari

VORTAB Inc., Whitehall, PA

Thomas Hordendorf, John C. Bartos

CONMEC Inc., Bethlehem, PA

Paper No. 92-GT-016, pp. V003T07A001; 7 pages
  • ASME 1992 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Cologne, Germany, June 1–4, 1992
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7895-8
  • Copyright © 1992 by ASME


Experimental investigations were conducted to determines: 1) the degradation of single stage centrifugal compressor performance due to induced inlet distortion and swirl, and 2) the subsequent performance recovery achievable by use of an upstream flow conditioner developed by VORTAB Incorporated. The compressor inlet flow velocity profile was distorted using out-of-plane double elbows and a specially designed swirl generator. The distorted flow was conditioned using the flow conditioner. Performance tests were conducted for baseline (no distortion), distorted flow, and conditioned flow. The results indicate that velocity profile distortion and swirl can strongly affect the compressor performance. It is additionally demonstrated that the profile correction and swirl elimination achieved with the flow conditioner recovers the compressor performance to its baseline level, with minimum device pressure loss.

Copyright © 1992 by ASME
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