Christine A Roberts

US Patent:

20200080876, Mar 12, 2020

Filed:

Sep 6, 2018

Appl. No.:

16/124046

Inventors:

- Albuquerque NM, US
Martin B. Nemer - Albuquerque NM, US
Carlton F. Brooks - Albuquerque NM, US
Bart G. van Bloemen Waanders - Albuquerque NM, US
Christine Cardinal Roberts - Albuquerque NM, US
Amanda B. Dodd - Fremont CA, US

International Classification:

G01F 1/58
G01K 7/36
G01L 9/14
G01R 33/12
G01R 33/34

Abstract:

A method and apparatus for determining a property of a fluid in a vessel. The method uses magnetic tracer particles and an externally applied magnetic field which orients the particles. When the fluid moves, it changes the orientation of the tracer particles, thus changing the magnetic fields. These changes are detected by external magnetic field sensors. By using mathematical models, the property of the fluid in the vessel is determined from the detected magnetic field. In this manner, fluid vorticity, velocity, strain and stress may be estimated.