Smokestack-mounted airfoil

Details Smokestack-mounted airfoil Smokestack-mounted airfoil

1975-11-10

1978-07-11

O'Dea, William F.

Fluid sprinkling, spraying, and diffusing

Rigid fluid confining distributor

Fluidic oscillator

239 2R, 239 14, 110184, 114187, E04F 1702, F23L 1702

Patent

active

040994520

ABSTRACT:
A system for improving the effluent dispersal characteristics of smokestacks subject to relative winds comprising a vortex generating airfoil attached to a smokestack near the stack gas exit. Relative winds passing over the airfoil create strong vortices which entrain and hold together smokestack effluents until the vortices deteriorate. The vortex flow direction and angle of ascension may be controlled in order to achieve optimum effluent dispersal by varying the airfoil angle of attack.

REFERENCES:
patent: 432544 (1890-07-01), Moore
patent: 1849812 (1932-03-01), Spencer
patent: 2610570 (1952-09-01), Valensi
patent: 2847927 (1958-08-01), Veyssiere
patent: 3115820 (1963-12-01), Adelt
patent: 3342023 (1967-09-01), Fleming
patent: 3589603 (1971-06-01), Fohl
patent: 3643581 (1972-02-01), Feldman
patent: 3904127 (1975-09-01), Cash
Elementary Fluid Mechanics by John K. Vennard, pp. 318-327.

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