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- Saturation_vapor_density abstract "Saturation vapor density (SVD) is a concept closely tied with saturation vapor pressure. It is useful for getting an exact quantity of water vapor in the air from a relative humidity (RH). Given an RH percentage, the density of water in the air is given by RH × SVD = Actual Vapor Density. Alternatively, RH can be found by RH = Actual Vapor Density ∕ SVD. As Relative Humidity is a dimensionless quantity (often expressed in terms of a percentage), vapor density can be stated in units of grams or kilograms per cubic meter. For low temperatures (below 400 kelvins or so), SVD can be approximated from the SVP by the ideal gas law: P V = n R T where n is the number of moles, which is related by density by n = M ∕ m, where M is the mass of water present and m is the molar mass of water (18.01528 grams/mole). Thus, setting V to 1 cubic meter, we get P m/R T = M/V = density.R is the gas constant, and T is the temperature in kelvin.The values shown at hyperphysics-sources indicate clearly that the saturated vapor density is stated to be 4.85 g/m3 at 273 K at which the saturated vapor pressure is 4.58 mm of Hg or 610.616447 Pa (760 mm of Hg ≈ 1 atm = 1.01325 * 105 Pa).Therefore, for particular mole number and volume the saturated vapor pressure shall not change if the temperature is not changed.".
- Saturation_vapor_density wikiPageID "12171241".
- Saturation_vapor_density wikiPageLength "2123".
- Saturation_vapor_density wikiPageOutDegree "12".
- Saturation_vapor_density wikiPageRevisionID "696553622".
- Saturation_vapor_density wikiPageWikiLink Category:Atmospheric_thermodynamics.
- Saturation_vapor_density wikiPageWikiLink Category:Thermodynamic_properties.
- Saturation_vapor_density wikiPageWikiLink Gas_constant.
- Saturation_vapor_density wikiPageWikiLink Ideal_gas_law.
- Saturation_vapor_density wikiPageWikiLink Kelvin.
- Saturation_vapor_density wikiPageWikiLink Mole_(unit).
- Saturation_vapor_density wikiPageWikiLink Relative_humidity.
- Saturation_vapor_density wikiPageWikiLink Vapor_pressure.
- Saturation_vapor_density wikiPageWikiLink Vapour_pressure_of_water.
- Saturation_vapor_density wikiPageWikiLink Water_vapor.
- Saturation_vapor_density wikiPageWikiLinkText "Saturation vapor density".
- Saturation_vapor_density wikiPageUsesTemplate Template:Clarify.
- Saturation_vapor_density wikiPageUsesTemplate Template:Humidity.
- Saturation_vapor_density wikiPageUsesTemplate Template:Math.
- Saturation_vapor_density wikiPageUsesTemplate Template:Mvar.
- Saturation_vapor_density wikiPageUsesTemplate Template:Reflist.
- Saturation_vapor_density wikiPageUsesTemplate Template:Sfrac.
- Saturation_vapor_density subject Category:Atmospheric_thermodynamics.
- Saturation_vapor_density subject Category:Thermodynamic_properties.
- Saturation_vapor_density hypernym Concept.
- Saturation_vapor_density type Concept.
- Saturation_vapor_density type Physic.
- Saturation_vapor_density type Thermodynamic.
- Saturation_vapor_density comment "Saturation vapor density (SVD) is a concept closely tied with saturation vapor pressure. It is useful for getting an exact quantity of water vapor in the air from a relative humidity (RH). Given an RH percentage, the density of water in the air is given by RH × SVD = Actual Vapor Density. Alternatively, RH can be found by RH = Actual Vapor Density ∕ SVD.".
- Saturation_vapor_density label "Saturation vapor density".
- Saturation_vapor_density sameAs Q7426596.
- Saturation_vapor_density sameAs m.02vs9q8.
- Saturation_vapor_density sameAs Q7426596.
- Saturation_vapor_density wasDerivedFrom Saturation_vapor_density?oldid=696553622.
- Saturation_vapor_density isPrimaryTopicOf Saturation_vapor_density.