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| Keywords: Tttecnology.gif Schematic views of a transit-time ultrasound perivascular ultrasonic volume flowsensor Using wide beam illumination two transducers pass ultrasonic signals back and forth alternately intersecting the flowing liquid in upstream and downstream directions The flowmeter derives an accurate measure of the transit time it takes for the wave of ultrasound to travel from one transducer to the other The difference between the upstream and downstream integrated transit times is a measure of volume flow rather than velocity Susan Eymann Transonic Systems Inc 2007-03-29 own assumed Moraviaspy Flow meters Ultrasound | ||||
