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Nicolas Poujol, Martin Buisson, Pierre Duquesne and Isabelle Trébinjac
In centrifugal compressors, Mild Surge (MS) leads to unstable operation. Previous experimental work on a centrifugal compressor designed and built by Safran Helicopter Engines (SafranHE) showed that MS corresponds to the pulsation of an alternate stall p...
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Victor Moënne-Loccoz, Isabelle Trébinjac, Nicolas Poujol and Pierre Duquesne
The flow in the vaned diffuser of an aeronautical centrifugal compressor designed by Safran Helicopter Engines is analyzed through steady and unsteady pressure measurements at different rotation speeds. The analysis leads to the identification of differe...
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