Apparatus and method for phase tomographic determination of flui

Details Apparatus and method for phase tomographic determination of flui Apparatus and method for phase tomographic determination of flui

1994-01-12

1996-07-02

Williams, Hezron E.

Measuring and testing

Vibration

By mechanical waves

7386127, G01F 166

Patent

active

055311164

ABSTRACT:
An array of acoustic signal sources and sensors are positioned in a fluid. Acoustic signals propagated through the medium are subjected to phase differences as they pass through fluid currents. An eikonal description of the acoustic waves propagating through the fluid medium is used to derive the fluid currents. Fluid currents are measured in a multiplicity of acoustic paths extending from the acoustic sources to the sensors, using acoustic phase tomography.

REFERENCES:
patent: 2949772 (1960-08-01), Kritz
patent: 2949773 (1960-08-01), Batchelder
patent: 4262545 (1981-04-01), Lamarche
patent: 4663977 (1987-05-01), Vander Heyden
Somerstein et al., "Radio-frequency geotomography for remotely probing the interiors of operating mini-- and commercial-sized oil-shale retorts."; Geophysics, vol. 49, No. 8 (Aug. (1984); pp. 1288-1300, 13 Figs.

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