Magnetohydrodynamic fluid apparatus and method

Details Magnetohydrodynamic fluid apparatus and method Magnetohydrodynamic fluid apparatus and method

1988-03-08

1991-03-26

Steinberger, Brian

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

367188, 181122, 73652, 32420724, G01V 118

Patent

active

050035177

ABSTRACT:
A transducer (700) of great sensitivity is disclosed which incorporates a magnetohydrodynamic (MHD) cell (738) exposed to the flow of a electrically conductive fluid (712) within a channel (704). Flexible diaphragms (722) form the ends of the channel (704) and deflect with the fluid motion. The deflection is sensed by strain gauges (724) and the signals from the MHD cell and strain gauges are processed. In addition, an MHD power generator is contemplated which generates power from a moving electrically conductive fluid, such as sea water in geophysical motion. A strong magnetic field is established normal the direction of fluid flow. Electrodes are positioned normal to both the magnetic field and fluid flow to complete a circuit to transfer the power generated by the movement of the electrically conductive fluid through the magnetic field.

REFERENCES:
patent: 2677270 (1954-05-01), Sanderson
patent: 4195280 (1980-05-01), Hillery
patent: 4334296 (1982-06-01), Hall, Jr.
patent: 4583207 (1986-04-01), Greer, Jr.
patent: 4764908 (1988-08-01), Greer, Jr.

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