Doppler Ultrasonic Flowmeter Basics

Doppler ultrasonic flowmeter is a device that utilizes the Doppler effect of sound waves propagating in a fluid to measure flow by determining the Doppler frequency shift of sound waves scattered by moving particles in the fluid. In recent years, with the rapid development of detection and signal processing technologies, the Doppler frequency shift caused by tiny eddies generated by the fluid flow itself can also be sensitively detected. Therefore, Doppler ultrasonic flowmeters can also be used for flow measurement of pure clean fluids.

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