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APPARATUS AND METHOD FOR VISUALIZATION OF PARTICLES SUSPENDED IN A FLUID AND FLUID FLOW PATTERNS USING ULTRASOUND

United States Patent Application

20120227473
A1
View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
An apparatus and method for real-time visualization of particulate matter suspended in a static or flowing fluid and fluid flow patterns in a pipe, tube, conduit, or other container, are described. Ultrasonic scanning and detection of scattered sound from the particles in the fluid create a real-time image of the particles, or of flow patterns in the liquid. A mechanical wobbler directs a piezoelectric transducer over a chosen angle in an oscillatory manner. The transducer is operated in a pulse-echo mode wherein the same transducer detects the return signal from the target region through which particles are passing and/or a flow is present. The pulse-echo measurements are made rapidly and continuously during a single sweep of the transducer over the chosen angle. Received signals are processed in the ultrasound scanner electronics module and displayed as an image in real-time.
Sinha, Dipen N. (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos NM)
13/ 225,787
September 6, 2011
STATEMENT REGARDING FEDERAL RIGHTS [0002] This invention was made with government support under Contract No. DE-AC52-06NA25396 awarded by the U.S. Department of Energy. The government has certain rights in the invention.