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Partial Pressure of Dry Air given Vapor Density Formula

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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. Check FAQs

p a = \frac{ρ v \cdot 287 \cdot t d}{ω}

p_a - Partial Pressure of Dry Air?ρ_v - Vapor Density?t_d - Dry Bulb Temperature?ω - Specific Humidity?

Partial Pressure of Dry Air given Vapor Density Example

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Here is how the Partial Pressure of Dry Air given Vapor Density equation looks like with Values.

Here is how the Partial Pressure of Dry Air given Vapor Density equation looks like with Units.

Here is how the Partial Pressure of Dry Air given Vapor Density equation looks like.

128.576 = \frac{32 \cdot 287 \cdot 350}{0.25}

128.576Bar = \frac{32kg/m³ \cdot 287 \cdot 350K}{0.25}

128.576 = \frac{32 \cdot 287 \cdot 350}{0.25}

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Partial Pressure of Dry Air given Vapor Density Solution

Follow our step by step solution on how to calculate Partial Pressure of Dry Air given Vapor Density?

FIRST Step Consider the formula

p a = \frac{ρ v \cdot 287 \cdot t d}{ω}

Next Step Substitute values of Variables

∴

p a = \frac{32kg/m³ \cdot 287 \cdot 350K}{0.25}

Next Step Prepare to Evaluate

∴

p a = \frac{32 \cdot 287 \cdot 350}{0.25}

Next Step Evaluate

∴

p a = 12857600Pa

LAST Step Convert to Output's Unit

∴

p a = 128.576Bar

Partial Pressure of Dry Air given Vapor Density Formula Elements

Variables

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.

Symbol: p_a

Measurement: PressureUnit: Bar

Note: Value can be positive or negative.

Formulas to find Partial Pressure of Dry Air

Vapor Density

Vapor Density is defined as the mass of water vapor present in 1 m³ of dry air. It is also called absolute humidity.

Symbol: ρ_v

Measurement: DensityUnit: kg/m³

Note: Value can be positive or negative.

Formulas to find Vapor Density

Dry Bulb Temperature

Dry bulb temperature is the temperature of air measured by a thermometer freely exposed to the air but shielded from radiation and moisture.

Symbol: t_d

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Dry Bulb Temperature

Specific Humidity

Specific Humidity is the ratio of the mass of water vapor to the total mass of the air parcel.

Symbol: ω

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Specific Humidity

Other formulas in Vapour Density category

Go Vapour Density

ρ v = \frac{ω \cdot (p t - p v)}{287 \cdot t d}

Go Dry Bulb Temperature given Vapor Density

t d = \frac{ω \cdot (p t - p v)}{287 \cdot ρ v}

Go Specific Humidity given Vapor Density

ω = \frac{ρ v \cdot t d \cdot 287}{p t - p v}

Go Partial Pressure of Vapor given Vapor Density

p v = p t - (\frac{ρ v \cdot 287 \cdot t d}{ω})

How to Evaluate Partial Pressure of Dry Air given Vapor Density?

Partial Pressure of Dry Air given Vapor Density evaluator uses Partial Pressure of Dry Air = (Vapor Density*287*Dry Bulb Temperature)/Specific Humidity to evaluate the Partial Pressure of Dry Air, The Partial pressure of dry air given vapor density formula calculates the pressure of dry air exerted by dry air in the air-vapor mixture by using the vapor density. Partial Pressure of Dry Air is denoted by p_a symbol.

How to evaluate Partial Pressure of Dry Air given Vapor Density using this online evaluator? To use this online evaluator for Partial Pressure of Dry Air given Vapor Density, enter Vapor Density (ρ_v), Dry Bulb Temperature (t_d) & Specific Humidity (ω) and hit the calculate button.

FAQs on Partial Pressure of Dry Air given Vapor Density

What is the formula to find Partial Pressure of Dry Air given Vapor Density?

The formula of Partial Pressure of Dry Air given Vapor Density is expressed as Partial Pressure of Dry Air = (Vapor Density*287*Dry Bulb Temperature)/Specific Humidity. Here is an example- 0.001286 = (32*287*350)/0.25.

How to calculate Partial Pressure of Dry Air given Vapor Density?

With Vapor Density (ρ_v), Dry Bulb Temperature (t_d) & Specific Humidity (ω) we can find Partial Pressure of Dry Air given Vapor Density using the formula - Partial Pressure of Dry Air = (Vapor Density*287*Dry Bulb Temperature)/Specific Humidity.

Can the Partial Pressure of Dry Air given Vapor Density be negative?

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

Which unit is used to measure Partial Pressure of Dry Air given Vapor Density?

Partial Pressure of Dry Air given Vapor Density 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 given Vapor Density can be measured.

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Partial Pressure of Dry Air given Vapor Density Formula

Partial Pressure of Dry Air given Vapor Density Example

Partial Pressure of Dry Air given Vapor Density Solution

Partial Pressure of Dry Air given Vapor Density Formula Elements

Other formulas in Vapour Density category

How to Evaluate Partial Pressure of Dry Air given Vapor Density?

FAQs on Partial Pressure of Dry Air given Vapor Density

Variable Name