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Cubic metre per second
SI unit of volumetric flow rate From Wikipedia, the free encyclopedia
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Cubic metre per second or cubic meter per second in American English (symbol m3 ⋅ s−1 or m3/s) is the unit of volumetric flow rate in the International System of Units (SI). It corresponds to the exchange or movement of the volume of a cube with sides of one metre (39.37 in) in length (a cubic meter, originally a stere) each second. It is popularly used for water flow, especially in rivers and streams, and fractions for HVAC values measuring air flow.
This article relies largely or entirely on a single source. (December 2018) |
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The term cumec is sometimes used as an acronym for full unit name,[1] with the plural form cumecs also common in speech.[citation needed] It is commonly used between workers in the measurement of water flow through natural streams and civil works, but rarely used in writing.
Data in units of m3 ⋅ s−1 are used along the y-axis or vertical axis of a flow hydrograph, which describes the time variation of discharge of a river (the mean velocity multiplied by cross-sectional area). A moderately sized river discharges in the order of 100 m3 ⋅ s−1.
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Conversions
1 cubic metre per second | = | 1000 | litres per second |
= | 60 | kilolitres per minute | |
= | 86.4 | megalitres per day | |
= | 31.5576 | gigalitres per year | |
≈ | 219.969248 | imperial gallons per second | |
≈ | 264.172051 | US gallons per second | |
≈ | 35.314454 | cubic feet per second | |
≈ | 1.305 | cubic yards per second | |
≈ | 25566.497 | acre-feet per year | |
≈ | 1113676621 | cubic feet per year | |
≈ | 0.00757090916 | cubic miles per year |
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References
See also
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