EFFECTIVE WATER MANAGEMENT.
Area Velocity Flow – Flow measurement in open channels and partially filled pipes is important to support hydrological research along with water management and sewer management.
There are various techniques to measure flow rates. As a specialist in ultrasonic measuring solutions, we mainly focus on the transit time difference method and the Doppler method. Both principles involve measuring in a fully filled and sealed tank, tube or pipe using one or two ultrasonic sensors. The biggest difference between these techniques is that they each work best in opposite situations. More about this >>
For flow measurement in open channels and partially filled pipes the Area Velocity principle is commonly used.
Area Velocity
Area velocity flow measurement is a proven technology that measures both the surface area of a liquid channel and the speed of the flow. This measuring method can be applied in both natural and artificial watercourses.
An Area Velocity flowmeter uses a submersible ultrasonic sensor, which enables long-term accurate flow measurements. For best performance and maintenance-free operation, this rugged sensor should be carefully mounted to the bottom of a gutter or partially filled pipe or conduit.
The measuring principle is based on emitting ultrasonic sound waves and recording the time required for the echo to be reproduced. By measuring this time and knowing the distance between the sensors, you calculate the flow speed.
