About: Absolute Humidity

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An Entity of Type : http://qudt.org/schema/qudt/QuantityKind, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

Attributes	Values
type	Quantity Kind
label	Absolute Humidity (en)
isDefinedBy	QUDT Quantity Kind Vocabulary Version 2.1.29
seeAlso	Relative Humidity
has broader	Density
Description	"Absolute Humidity" is an amount of water vapor, usually discussed per unit volume. Absolute humidity in air ranges from zero to roughly 30 grams per cubic meter when the air is saturated at \(30 ^\circ C\). The absolute humidity changes as air temperature or pressure changes. This is very inconvenient for chemical engineering calculations, e.g. for clothes dryers, where temperature can vary considerably. As a result, absolute humidity is generally defined in chemical engineering as mass of water vapor per unit mass of dry air, also known as the mass mixing ratio, which is much more rigorous for heat and mass balance calculations. Mass of water per unit volume as in the equation above would then be defined as volumetric humidity. Because of the potential confusion. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/sc...dt/applicableUnit	Grain per Gallon kilogram per cubic metre Pound per Cubic Foot Pound per Gallon Pound (avoirdupois) Per Gallon (UK) Pound (avoirdupois) Per Gallon (US) Pound per Cubic Inch Pound per Cubic Metre Pound per Cubic Yard milligrams per decilitre Imperial Mass Ounce per Gallon Imperial Mass Ounce per Cubic Inch Planck Density Slug per Cubic Foot Long Ton per Cubic Yard Short Ton per Cubic Yard
http://qudt.org/sc...asDimensionVector	http://qudt.org/vocab/dimensionvector/A0E0L-3I0M1H0T0D0
http://qudt.org/sc...ormativeReference	http://en.wikipedia.org/wiki/Humidity http://en.wikipedia.org/wiki/Humidity#Absolute_humidity
http://qudt.org/sc...ormativeReference	http://www.iso.org/iso/catalogue_detail?csnumber=31890
http://qudt.org/sc...t/latexDefinition	\(AH = \frac{\mathcal{M}_\omega}{\vee_{net}}\), where \(\mathcal{M}_\omega\) is the mass of water vapor per unit volume of total air and \(\vee_{net}\) is water vapor mixture. (http://qudt.org/schema/qudt/LatexString)
http://qudt.org/schema/qudt/symbol	AH
is seeAlso of	Relative Humidity

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