Pressure of Water Vapor in Psychrometry Formulas

Pressure of Water Vapor is the pressure exerted by the water vapour in the moist air or the mixture of dry air and water vapour. And is denoted by p_v. Pressure of Water Vapor is usually measured using the Bar for Pressure. Note that the value of Pressure of Water Vapor is always negative.

Formulas to find Pressure of Water Vapor in Psychrometry

fxPartial Pressure of Vapor given Vapor DensityGo

Psychrometry formulas that make use of Pressure of Water Vapor

fxVapour DensityGo

fxDry Bulb Temperature given Vapor DensityGo

fxSpecific Humidity given Vapor DensityGo

fxTotal Pressure of Moist Air given Vapour DensityGo

List of variables in Psychrometry formulas

fx Total Pressure of Moist Air Go

fx Vapor Density Go

fx Dry Bulb Temperature Go

fx Specific Humidity Go

FAQ

What is the Pressure of Water Vapor?

Pressure of Water Vapor is the pressure exerted by the water vapour in the moist air or the mixture of dry air and water vapour. Pressure of Water Vapor is usually measured using the Bar for Pressure. Note that the value of Pressure of Water Vapor is always negative.

Can the Pressure of Water Vapor be negative?

Yes, the Pressure of Water Vapor, measured in Pressure can be negative.

What unit is used to measure Pressure of Water Vapor?

Pressure of Water Vapor is usually measured using the Bar[Bar] for Pressure. Pascal[Bar], Kilopascal[Bar], Pound Per Square Inch[Bar] are the few other units in which Pressure of Water Vapor can be measured.

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