Vane configuration for fluid wake re-energization

Details Vane configuration for fluid wake re-energization Vane configuration for fluid wake re-energization

1980-01-07

1982-03-09

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

415216, 60751, F01D 900

Patent

active

043186696

ABSTRACT:
An airfoil for use in an axial flow compressor, a high-bypass turbofan or as a turning vane in an airflow duct having a crenelated trailing edge. The crenelated trailing edge produces pairs of counterrotating vortices which promote rapid mixing between the low momentum fluid, in the wake of the airfoil, and the adjacent fluid streams. The mixing of the adjacent streams with the low momentum wake acts to re-energize the wake.

REFERENCES:
patent: 2540526 (1951-02-01), Howell
patent: 3935704 (1976-02-01), Barnes
patent: 4089618 (1978-05-01), Patel

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