Thu February 16, 2012 By:

how ultrasonic waves detect the air bubble

Expert Reply
Fri February 17, 2012
•By far the most prevalent bubble sensing method.
•Uses piezoelectric materials to create ultrasonic waves
•Two main types:
–Continuous: transmits a continuous ultrasonic wave and detects the drop in wave amplitude through air.
–Pulsed Wave: transmits a pulsed wave and then detects both the amplitude and duration of the received wave to determine the medium.
?????The ultrasonic bubble sensor emits the ultrasounic wave into a fluid then senses wave reflected from the bubbles.
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