Turbine Question

[Aheli]

I am sitting a Basic Gas Turbine exam tommorow and have a question

What does it mean when the compressor is choked and surging? What causes each event and what does it actually do?

Please help :)
Thank you

[Leanan Sidhe]

The surging is a severe stall across the entire face of the compressor--caused by a total stoppage or reversal of airflow--which can cause flameouts and even structural damage in some cases.

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[This message has been edited by Leanan Sidhe (edited 20 February 2001).]