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Keywords: rough wall
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Proceedings Papers

Proc. ASME. FEDSM2008, Volume 2: Fora, 271-275, August 10–14, 2008
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55342
... sides of the diffuser with the lowest values achieved by attaching the rough surface to the shroud. Results show that the roughness has no significant effect on stall cell characteristics. rotating stall centrifugal blower rough wall vaneless diffuser OW . A art ah, 68; me transport...
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...