The following paper describes an experimental investigation of a highly loaded stator cascade with a pitch to chord ratio of . Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spanwise directions as well as endwall oil flow visualizations were carried out in order to determine the performance of the cascade and to analyze the flow phenomena occurring. To quantify the effectivity of the active flow control method, taking the additional energy input into account, corrected losses and an efficiency, which relates the difference of flow power deficit with and without active flow control to the flow power of the blowing jet itself, were evaluated. Even though an increase of static pressure rise could be achieved, a decrease of the total pressure losses was possible for a few operating points only.
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e-mail: d.nerger@tu-bs.de
e-mail: volker.guemmer@rolls-royce.com
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March 2012
Research Papers
Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade
Daniel Nerger,
Daniel Nerger
Institut für Strömungsmechanik,
e-mail: d.nerger@tu-bs.de
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germany
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Horst Saathoff,
Horst Saathoff
Institut für Strömungsmechanik,
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germany
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Rolf Radespiel,
Rolf Radespiel
Institut für Strömungsmechanik,
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germany
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Volker Gümmer,
e-mail: volker.guemmer@rolls-royce.com
Volker Gümmer
Rolls-Royce Germany Limited and Company KG
, OE-1 Compressors and Fans, Eschenweg 11, 15827 Blankenfelde-Mahlow, Germany
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Carsten Clemen
Carsten Clemen
Rolls-Royce Germany Limited and Company KG
, OE-1 Compressors and Fans, Eschenweg 11, 15827 Blankenfelde-Mahlow, Germany
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Daniel Nerger
Institut für Strömungsmechanik,
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germanye-mail: d.nerger@tu-bs.de
Horst Saathoff
Institut für Strömungsmechanik,
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germany
Rolf Radespiel
Institut für Strömungsmechanik,
Technische Universität Braunschweig
, Bienroder Weg 3, 38106 Braunschweig, Germany
Volker Gümmer
Rolls-Royce Germany Limited and Company KG
, OE-1 Compressors and Fans, Eschenweg 11, 15827 Blankenfelde-Mahlow, Germanye-mail: volker.guemmer@rolls-royce.com
Carsten Clemen
Rolls-Royce Germany Limited and Company KG
, OE-1 Compressors and Fans, Eschenweg 11, 15827 Blankenfelde-Mahlow, GermanyJ. Turbomach. Mar 2012, 134(2): 021010 (12 pages)
Published Online: June 23, 2011
Article history
Received:
October 3, 2010
Revised:
November 2, 2010
Online:
June 23, 2011
Published:
June 23, 2011
Citation
Nerger, D., Saathoff, H., Radespiel, R., Gümmer, V., and Clemen, C. (June 23, 2011). "Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade." ASME. J. Turbomach. March 2012; 134(2): 021010. https://doi.org/10.1115/1.4003254
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