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Stall Margin Improvement by Use of Casing Treatments

Volume 6A: Turbomachinery, 2013
The beneficial impact of casing treatments on the stall margin of tip-critical compressors has been proven many times. However, there is still no simple and general method to predict their actual effectiveness. The present work considers the axial velocity deficit that is generally observed at the blade tip. This so called tip-blockage is caused by the
Christian T. Pixberg   +4 more
openaire   +1 more source

Using CFD to Improve Stall Margin

Fluids Engineering, 1999
Abstract Centrifugal compressors for multi-stage industrial applications must have both high efficiency and stable operation over a wide flow range. CFD analyses were used to evaluate the stall margins of candidate impeller designs compared to a baseline semi-inducer design.
James R. Hardin, Charles F. Boal
openaire   +1 more source

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