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Experimental Study and Theoretical Prediction of Secondary Flows in a Transonic Axial Flow Compressor PUBLIC ACCESS

[+] Author Affiliations
F. Leboeuf

Ecole Centrale de Lyon, Ecully, France

F. Bario, G. Boris

Metraflu, Ecully, France

K. D. Papailiou

National Technical University of Athens, Athens, Greece

Paper No. 82-GT-14, pp. V001T01A007; 20 pages
doi:10.1115/82-GT-14
From:
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 1: Turbomachinery
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7956-6
  • Copyright © 1982 by ASME

abstract

Detailed time-mean measurements have been realized on a transonic axial flow compressor. Flow quantities in the secondary flow regions have been obtained. The purpose of this paper is to present some essential features which drive the secondary following development in axial compressor among others, the strong influence of secondary vortex motion on the energy transfer between the flow and the blading is displayed. Also, we study the effect of tip clearance and axial distance between blade row. A secondary flow model is used for comparisons with theoretical computations. Very good comparisons have been obtained which show the validity of the theoretical model, in particular, the decomposition of the secondary flow into a viscous part and a vortical part, using an inviscid flow as a basis.

Copyright © 1982 by ASME
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