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.

Psychrometry formulas that make use of Pressure of Water Vapor

fxDegree of Saturation given Partial Pressure of Water VapourGo

fxTotal Pressure of Moist Air given Degree of SaturationGo

fxPartial Pressure of Water Vapor in Saturated Air given Degree of SaturationGo

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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