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2. 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 ...

3. Flow measurement - Wikipedia

   en.wikipedia.org/wiki/Flow_measurement

   The flow direction is generally straight through the meter, allowing for higher flow rates and less pressure loss than displacement-type meters. They are the meter of choice for large commercial users, fire protection, and as master meters for the water distribution system .

4. Flow conditioning - Wikipedia

   en.wikipedia.org/wiki/Flow_conditioning

   In case of a perfect fully developed real velocity profile of Ultrasonic meter which is shown in Fig.(7) indicating a possible sound path as a result of an installation in a real flow. Figure (7) showing Ultrasonic meter sound path - fully developed flow. Here a mathematical derivation for this Ultrasonic meter is also becomes very complicated.

5. Parshall flume - Wikipedia

   en.wikipedia.org/wiki/Parshall_flume

   For submerged flow, a secondary head measurement (Hb) is required to determine the flume is submerged and the degree of submergence. The primary point of measurement (Ha) is located in the inlet of the flume, two-thirds of the length of the converging section from the flume crest.

6. Water metering - Wikipedia

   en.wikipedia.org/wiki/Water_metering

   Ultrasonic water meters are highly accurate devices, with residential models capable of measuring flow rates as low as 1 liter per hour (L/h). [2] They feature wide flow measurement ranges, require minimal maintenance, and have long lifespans due to the absence of internal mechanical components that could wear out over time. [3]

7. I Tried the Beachwaver on My Ultra-Fine Hair—and I ... - AOL

   www.aol.com/tried-beachwaver-ultra-fine-hair...

   I tested the Beachwaver on dry, three-day old hair. To prep for styling, I brushed my hair to get rid of any knots and tangles and then sprayed on a heat protectant to prevent breakage and split ends.