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The cubic foot (symbol ft 3 or cu ft) [1] is an imperial and US customary (non-metric) unit of volume, used in the United States and the United Kingdom.It is defined as the volume of a cube with sides of one foot (0.3048 m) in length, or exactly 28.316 846 592 L, which is very close to 1 / 35 of a cubic metre).
Water reservoir capacities in the US are commonly given in thousands of acre-feet, abbreviated TAF or KAF. In most other countries except the US, the metric system is in common use and water volumes are normally expressed in liter, cubic meter or cubic kilometer. One acre-foot is approximately equivalent to 1.233 megaliters.
Third-largest fresh-water lake in the world by volume: 2: Lake Michigan: Illinois - Indiana - Michigan - Wisconsin: 3,987,455,942 acre⋅ft (4,918 km 3) 925 ft (282 m) L. Huron and. L. Michigan may be considered a single lake [1] 3: Lake Huron: Michigan - Ontario: 2,872,320,000 acre⋅ft (3,543 km 3) 750 ft (229 m) 4: Lake Ontario: New York ...
The area required to calculate the volumetric flow rate is real or imaginary, flat or curved, either as a cross-sectional area or a surface. The vector area is a combination of the magnitude of the area through which the volume passes through, A , and a unit vector normal to the area, n ^ {\displaystyle {\hat {\mathbf {n} }}} .
All rivers with average discharge more than 15,000 cubic feet per second are listed. Estimates are approximate, because data are variable with time period measured and also because many rivers lack a gauging station near their point of outflow.
In most of the world water meters are calibrated in cubic metres (m 3) or litres, [1] but in the United States and some other countries water meters are calibrated in cubic feet (ft 3) or US gallons on a mechanical or electronic register. Modern meters typically can display rate-of-flow in addition to total volume.
This is the most commonly used measurement system for measuring water supply in houses. The fluid, most commonly water, enters in one side of the meter and strikes the nutating disk, which is eccentrically mounted. The disk must then "wobble" or nutate about the vertical axis, since the bottom and the top of the disk remain in contact with the ...
Stream power, originally derived by R. A. Bagnold in the 1960s, is the amount of energy the water in a river or stream is exerting on the sides and bottom of the river. [1] Stream power is the result of multiplying the density of the water, the acceleration of the water due to gravity, the volume of water flowing through the river, and the ...