Determining the size distribution of particles in a fluid

Details Determining the size distribution of particles in a fluid Determining the size distribution of particles in a fluid

1998-03-26

1998-11-03

Raevis, Robert

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

G01N 1502

Patent

active

058311505

ABSTRACT:
In this embodiment the size distribution of particles in a fluid is determined by performing the following steps: (a) passing a plurality of ultrasonic beams through the fluid, wherein the beams have respective frequencies; (b) obtaining a velocity measure of the beams in the fluid; (c) obtaining an ultrasonic velocity spectrum as a function of particle size for the fluid; (d) determining from the attenuation of gamma-rays the density of the fluid; and (3) calculating the particle size distribution for the fluid from the velocity measure, the velocity spectrum, and the suspension density which were respectively obtained in steps (b), (c) and (d).

REFERENCES:
patent: 3529153 (1970-09-01), Zimmerman et al.
patent: 4283953 (1981-08-01), Plona
patent: 5121629 (1992-06-01), Alba
Patent Abstracts of Japan, C-1195, page 8, JP-6-22956 A (Yokogawa Medical Syst) 1 Feb. 1994.
Patent Abstracts of Japan, P-413, page 106, JP 60-147607 A (Hitachi Seisakusho) 3 Aug. 1985.

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