Experimental evidence of rotating stall in a pump-turbine at off-design conditions in generating mode

Journal of Fluids Engineering, Transactions of the ASME

Volumn 133, Issue 5, 2011, Pages

  Hasmatuchi, Vlad ^a   Farhat, Mohamed ^a   Roth, Steven ^a   Botero, Francisco ^a   Avellan, Franois ^a  

^a EPFL   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

AIR BUBBLES; BACKFLOW; BEST EFFICIENCY POINT; EXPERIMENTAL EVIDENCE; EXPERIMENTAL INVESTIGATIONS; GENERATING MODE; GUIDE VANE; HIGH-SPEED; HIGH-SPEED FLOW VISUALIZATION; IMAGE PROCESSING TECHNIQUE; IMPELLER CHANNELS; IMPELLER SPEED; LOW SPECIFIC SPEED; LOW-FREQUENCY COMPONENTS; OFF DESIGN CONDITION; OPERATING POINTS; OPERATING RANGES; POSITIVE DISCHARGES; PRESSURE FLUCTUATION; PUMP-TURBINES; REDUCED SCALE MODELS; ROTATING STALLS; ROTATIONAL FREQUENCY; STALL CELLS; SUB-SYNCHRONOUS; UNIFORM FLOW; WALL PRESSURE; ZERO DISCHARGE;

FLOW VISUALIZATION; HIGH PRESSURE EFFECTS; HYDRAULIC TURBINES; IMAGE PROCESSING; IMPELLERS; PUMPS; SPECTRUM ANALYSIS; SPEED;

ROTATION;

EID: 79959287313     PISSN: 00982202     EISSN: 1528901X     Source Type: Journal    
DOI: 10.1115/1.4004088     Document Type: Article

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