International Journal of Rotating Machinery

International Journal of Rotating Machinery / 1998 / Article

Open Access

Volume 4 |Article ID 787468 |

Heinz E. Gallus, "Experimental Investigation of Rotor-Stator Interaction in Axial-Flow Turbines and Compressors", International Journal of Rotating Machinery, vol. 4, Article ID 787468, 15 pages, 1998.

Experimental Investigation of Rotor-Stator Interaction in Axial-Flow Turbines and Compressors

Received03 Apr 1997
Revised10 Jul 1997


Detailed results of unsteady flow measurements in a stator-rotor-stator assembly of an axial-flow turbine as well as an inlet guide vane-rotor-stator formation of an axial-flow compressor are presented in this paper.The measurements include the time-dependent 3-D velocity vector fields in the axial gaps between the blade rows by means of triple-hot wire-technique, furthermore the total pressure field downstream of the blade rows by means of semiconductor total pressure probes and the unsteady flow field determination in the rotor passages by LDV-technique. Special semiconductor pressure measurements along the casing all over the rotor tip clearance permit detailed discussion of the rotor tip clearance flows.The conclusion of the measured data provides a new and very instructive view of the physics of the unsteady blade-row interaction in axial-flow turbines and compressors.

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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