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System and method for measuring fluid properties using magnetic field techniques via magnetic tracer

United States Patent

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April 21, 2020
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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.
16/ 124,046
September 6, 2018
G01F 1/58 (20060101)G01L 9/14 (20060101)G01R 33/12 (20060101)G01R 33/34 (20060101)G01K 7/36 (20060101)
GOVERNMENT LICENSE RIGHTS This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The U.S. Government has certain rights in the invention.