Diffuser with convoluted vortex generator

Details Diffuser with convoluted vortex generator Diffuser with convoluted vortex generator

1987-12-15

1990-11-20

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422180, 422205, 422220, 422222, 55440, 55464, 55473, 55529, 55DIG30, 55199, 55319, 165160, 165174, F01N 310, F01N 708, B01D 5336

Patent

active

049717685

ABSTRACT:
A thin, convoluted wall member disposed upstream of the inlet of a diffuser generates large-scale vortices having axes in the downstream direction. The vortices enhance mixing within the diffuser and can also energize the boundary layer, thereby improving diffuser performance and delaying the onset of stall. Greater diffusion angles without stall are possible. The member itself creates low losses.

REFERENCES:
patent: 3174282 (1965-03-01), Harrison
patent: 3578264 (1971-05-01), Kuethe
patent: 3953176 (1976-04-01), Santala et al.
patent: 4066214 (1978-01-01), Johnson
patent: 4634459 (1987-01-01), Pischinger et al.
patent: 4783959 (1988-11-01), Sickels

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