Object disposed in a fluid flow and having a selected configurat

Details Object disposed in a fluid flow and having a selected configurat Object disposed in a fluid flow and having a selected configurat

1974-04-23

1976-02-10

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

244 35R, B64C 314, F01D 514

Patent

active

039375943

ABSTRACT:
An object disposed in a fluid flow and defined by two surfaces, each extending along a stream line and one of said two surfaces having a reference contour. To eliminate the danger that a violent oscillation is generated due to resonance between the natural oscillation of the object and the oscillation caused by Karman's vortex which develops at the downstream end portion of the object, said downstream end portion of the object is so formed as to provide a configuration satisfying the following relations:

REFERENCES:
patent: 2441151 (1958-05-01), Jones
patent: 2597510 (1952-05-01), McBride
patent: 3347520 (1967-10-01), Owczarek

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