Development of Small Rotating Stall in a Single Stage Axial Compressor

Author:

Mathioudakis K.1,Breugelmans F. A. E.1

Affiliation:

1. van Karman Institute for Fluid Dynamics, Rhode Saint Genèse, Belgium

Abstract

In this paper we present the results of a detailed experimental study of the development of small rotating stall, as it appears in a one stage axial compressor. Stationary hot-wire probes are used to measure the variation of amplitude and propagation speed of the disturbances caused by small stall. Measurements near the rotor blade surface with rotating probes provide additional information on the nature of the phenomenon. The development of the cell pattern for different operating conditions is studied. The different character from what is known as “big stall” is demonstrated.

Publisher

American Society of Mechanical Engineers

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