Standard atmospheric pressure: Difference between revisions
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<div class="definition"><div class="short_definition">That [[pressure]] (force per unit area) recorded when the height of a column of [[mercury]] is reduced to [[standard gravity]] and [[temperature]].</div><br/> <div class="paragraph">It is the pressure exerted by a column of mercury 760 mm high, of [[density]] 13 595.1 kg m<sup> | <div class="definition"><div class="short_definition">That [[pressure]] (force per unit area) recorded when the height of a column of [[mercury]] is reduced to [[standard gravity]] and [[temperature]].</div><br/> <div class="paragraph">It is the pressure exerted by a column of mercury 760 mm high, of [[density]] 13 595.1 kg m<sup>-3</sup>, subject to a gravitational [[acceleration]] of 9.80665 m s<sup>-2</sup>, and equals 1013.25 hPa. This is a [[sea level|sea level]] consideration at 45°N latitude.</div><br/> </div> | ||
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Latest revision as of 16:58, 25 April 2012
standard atmospheric pressure[edit | edit source]
That pressure (force per unit area) recorded when the height of a column of mercury is reduced to standard gravity and temperature.
It is the pressure exerted by a column of mercury 760 mm high, of density 13 595.1 kg m-3, subject to a gravitational acceleration of 9.80665 m s-2, and equals 1013.25 hPa. This is a sea level consideration at 45°N latitude.
