Method for controlling microturbulence

Details Method for controlling microturbulence Method for controlling microturbulence

1997-05-01

1999-04-06

Grant, William

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244204, 114 67R, B64C 2100

Patent

active

058906819

ABSTRACT:
A method for controlling microturbulence in a medium flowing near a surface s disclosed. The method includes the steps of measuring the forces acting near or on the surface and using those measurements to determine the state probabilities for the microturbulent events occurring at the surface. The control method then activates selective cells in an array of cells to apply forces at the surface to counteract the microturbulent events and thus reduce turbulence. Each cell has a pair of electrodes and opposing magnetic poles such that when the control method activates a cell, the interaction of the electric field and the magnetic field at the cell creates a Lorentz force normal to the surface.

REFERENCES:
patent: 3360220 (1967-12-01), Meyer
patent: 4475392 (1984-10-01), Ajagu et al.
patent: 5273465 (1993-12-01), Meng
patent: 5320309 (1994-06-01), Nosenchuck et al.
patent: 5359951 (1994-11-01), Meng
patent: 5437421 (1995-08-01), Nosenchuck et al.

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