Aerodynamic Analysis of a Two Stage Transonic Compressor With Variable Stator Vanes PUBLIC ACCESS

[+] Author Affiliations
K.-D. Broichhausen, P. Harster

MTU München

Paper No. 90-GT-073, pp. V001T01A024; 12 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


Within the scope of a compressor research program a highly loaded two stage transonic compressor was investigated.

The submitted paper presents global information on the performance characteristics of the compressor as a whole and of the two stages as a function of the variable Stator and inlet guide vane settings. For the investigated two stage compressor a variable stator 1 is able to improve the performance to the same extent as a variable inlet guide vane.

Subsequently on the basis of L2F velocimetry, hotfilm gauges and probe traverses a more detailed view of the flow inside of the compressor is given. The main results can be summarized as follows:

In spite of high supersonic relative Mach numbers in front of rotor 1 the incidence angles change evenly from hub to tip depending on the back pressure. This is in contrast to plane cascade experience and is attributed to the bow shocks.

In the downstream rotor the shock pattern is strongly influenced by the relative position between rotor 1 and rotor 2 blades. As the glue on hotfilms on the stator 2 suction side show, the influence of the rotor 1 wakes can still be recognized in the laminar separation bubble and the turbulent boundary layer. Downstream of the compressor the mixing of the rotor wakes causes strong pitchwise gradients of total temperature.

Copyright © 1990 by ASME
Topics: Compressors , Stators
This article is only available in the PDF format.



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In