Partial Pressure of Dry Air in Psychrometry Formulas

The Partial Pressure of Dry Air is the pressure that is exerted by the dry air in the mixture of dry air and water vapor called moist air. And is denoted by p_a. Partial Pressure of Dry Air is usually measured using the Bar for Pressure. Note that the value of Partial Pressure of Dry Air is always negative.

Formulas to find Partial Pressure of Dry Air in Psychrometry

fxPartial Pressure of Dry Air given Vapor DensityGo

List of variables in Psychrometry formulas

fx Vapor Density Go

fx Dry Bulb Temperature Go

fx Specific Humidity Go

FAQ

What is the Partial Pressure of Dry Air?

The Partial Pressure of Dry Air is the pressure that is exerted by the dry air in the mixture of dry air and water vapor called moist air. Partial Pressure of Dry Air is usually measured using the Bar for Pressure. Note that the value of Partial Pressure of Dry Air is always negative.

Can the Partial Pressure of Dry Air be negative?

Yes, the Partial Pressure of Dry Air, measured in Pressure can be negative.

What unit is used to measure Partial Pressure of Dry Air?

Partial Pressure of Dry Air 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 Partial Pressure of Dry Air can be measured.

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