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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 ...
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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.
This feature is referred to as bottom-track. The process has two parts; first identify the position of the bottom from the acoustic echo, then calculating the velocity from a window centered around the bottom position. When an ADCP is mounted on a moving ship, the bottom track velocity may be subtracted from the measured water velocity.
The first routine measurements of river flow in England began on the Thames and Lea in the 1880s, [2] and in Scotland on the River Garry in 1913. [3] The national gauging station network was established in its current form by the early 1970s and consists of approximately 1500 flow measurement stations supplemented by a variable number of temporary monitoring sites. [2]
A California man died and a Good Samaritan is facing serious injuries after being attacked by dogs last week. According to a statement from the San Diego Humane Society obtained by USA TODAY, the ...
Kate Middleton's body language was upbeat and confident during the royal family's annual Christmas walk, and she sent a specific message with her hat choice.
Verizon settlement payments have started hitting customers' bank accounts as part of a $100 million resolution of a class-action lawsuit.. Eligible customers had until April 15 to claim their ...