Measurement of Flow by Using Piezoceramic Components

Piezoceramic components have various beneficial properties and hence it is used for many different applications today. The piezoelectric effect was first discovered by Paul-Jacques Curie and Pierre, two French physicists in the year 1880.

Piezo Direct as well as inverse effects can be used for ultrasonic measurements to measure propagation time. This kind of filling level measurement is one of the typical applications for measuring propagation time. In case of piezo transducer, the device can work both as a transmitter as well as receiver and that too simultaneously.

Here in this case the filling medium also reflects whatever ultrasonic pulse is transmitted. All we need is to measure the propagation time in order to measure the amount of distance that was travelled within the container’s empty part.

In order to measure the flow, we have to find the propagation time difference between alternate transmission and reception of ultrasonic pulses in both the direction of flow. Now you need to understand the Doppler effect so that you can find out the shift of phase and frequency of the ultrasonic waves that gets scattered as well as reflected by liquid particles.

The flow speed is directly proportional to the shift of frequency between the reflected wave front that is emitted and received by the same piezoceramic transducer.

In the similar way many other tasks like object recognition or high-resolution tests can also be efficiently done by using piezoceramic transducers. Also, ultrasonic piezo transducers are widely used in various applications like semiconductors and in medical field.