Method of determining a characteristic of a fluid

Details Method of determining a characteristic of a fluid Method of determining a characteristic of a fluid

1996-10-04

1998-11-10

Wachsman, Hal O.

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

702 46, 702 48, 7386127, 7386128, 7386102, 7386103, G01F 1708

Patent

active

058358846

ABSTRACT:
A method of determining a characteristic of a fluid involves measuring a sonic transit time (102), along a non-perpendicular path, through the fluid. The sonic transit time is used to determine a speed of sound in the fluid (104). A measured flow rate (106) is determined from the sonic transit time. A friction factor (108) is calculated using the speed of sound and the measured flow rate. Next, a velocity profile (110) is determined using the friction factor. Finally, an adjusted flow rate is calculated (112) using the velocity profile.

REFERENCES:
patent: Re28929 (1976-08-01), Brown
patent: 3817098 (1974-06-01), Brown
patent: 4331025 (1982-05-01), Ord, Jr.
patent: 4748857 (1988-06-01), Nakagawa
patent: 4754641 (1988-07-01), Orban et al.
patent: 5458004 (1995-10-01), van der Pol
patent: 5639972 (1997-06-01), Hastings et al.

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