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2. Water metering - Wikipedia

   en.wikipedia.org/wiki/Water_metering

   A velocity water meter Internal structure of a velocity water meter. A velocity-type meter measures the velocity of flow through a meter of known internal capacity. The speed of the flow can then be converted into a volume of flow to determine the usage. There are several types of meters that measure water flow velocity, including jet meters ...

3. Flow measurement - Wikipedia

   en.wikipedia.org/wiki/Flow_measurement

   Velocity times the cross-sectional area yields a flow rate which can be integrated into volumetric flow. There are two types of area velocity flowmeter: (1) wetted; and (2) non-contact. Wetted area velocity sensors have to be typically mounted on the bottom of a channel or river and use Doppler to measure the velocity of the entrained particles.

4. Ultrasonic flow meter - Wikipedia

   en.wikipedia.org/wiki/Ultrasonic_flow_meter

   Schematic view of a flow sensor. An ultrasonic flow meter is a type of flow meter that measures the velocity of a fluid with ultrasound to calculate volume flow. Using ultrasonic transducers, the flow meter can measure the average velocity along the path of an emitted beam of ultrasound, by averaging the difference in measured transit time between the pulses of ultrasound propagating into and ...

5. Current meter - Wikipedia

   en.wikipedia.org/wiki/Current_meter

   Such a single-point Doppler Current Sensor (DCS) has a typical velocity range of 0 to 300 cm/s. The devices are usually equipped with additional optional sensors. Travel time instruments determine water velocity by at least two acoustic signals, one up stream and one down stream.

6. Velocimetry - Wikipedia

   en.wikipedia.org/wiki/Velocimetry

   Dye in a fluid can help illuminate the fluids motion paths. This is the most simple example of Velocimetry. Velocimetry is the measurement of the velocity of fluids.This is a task often taken for granted, and involves far more complex processes than one might expect.

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