Simultaneous Stabilization of Stall and Surge via Axisymmetric Air Injection

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Simon Yeung and Richard Murray
1999 Joint Propulsion Conference, AIAA paper 99-2131

Simultaneous control of stall and surge has been achieved on a low speed, single stage, axial compressor using axisymmetric air injection. Two cases with different injector back pressure are studied. Control is achieved for one of the cases, but is not achieved for the lower authority case. This is consistent with previous results for control of stall only with axisymmetric air injection without a plenum attached. A simulated proportional injection mechanism is implemented and control is also achieved.