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Keywords: centrifugal blower
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Proceedings Papers

Proc. ASME. FEDSM2009, Volume 2: Fora, 141-145, August 2–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2009-78262
... of a centrifugal blower was carried out. The mass flow rate of air through the diffuser could be gradually reduced to zero value. The flowfield in the diffuser was measured using dynamic and static pressure transducers and the results are reported for steady and stall conditions. The objectives...
Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 271-275, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55342
... rotating stall centrifugal blower rough wall vaneless diffuser The operation of centrifugal compressor systems is limited at low-mass flow rates by fluid flow instabilities leading to rotating stall or surge. These instabilities limit the flow range in which the compressor can operate...
Proceedings Papers

Proc. ASME. FEDSM2007, Volume 2: Fora, Parts A and B, 939-946, July 30–August 2, 2007
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37502
... 26 03 2009 The problem of designing a centrifugal blower was explored using multi-objective genetic algorithm and data mining techniques. Blade-to-blade regions of an impeller and a diffuser were modeled and time-averaged non-uniform inflow to the diffuser was considered. The design...
Proceedings Papers

Proc. ASME. FEDSM2006, Volume 2: Fora, 245-250, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2006-98261
... that the flow instability in the diffuser (stall) was delayed to a lower flow coefficient (the mass flow rate could be reduced to 70% of its value with the smooth surface) when the rough surfaces were positioned on the diffuser shroud. Keywords: rotating stall, centrifugal blower, rough wall, vaneless diffuser...