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Humidity ratio Formula

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Humidity Ratio represents the ratio of the mass of water vapor to the mass of dry air in a mixture, expressing the absolute amount of moisture present in the air. Check FAQs

H = \frac{M wv}{M gas}

H - Humidity Ratio?M_wv - Water Vapour Mass?M_gas - Gas Mass?

Humidity ratio Example

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Here is how the Humidity ratio equation looks like with Values.

Here is how the Humidity ratio equation looks like with Units.

Here is how the Humidity ratio equation looks like.

0.7547 = \frac{4}{5.3}

0.7547kg/kg of air = \frac{4kg}{5.3kg}

0.7547 = \frac{4}{5.3}

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Humidity ratio Solution

Follow our step by step solution on how to calculate Humidity ratio?

FIRST Step Consider the formula

H = \frac{M wv}{M gas}

Next Step Substitute values of Variables

∴

H = \frac{4kg}{5.3kg}

Next Step Prepare to Evaluate

∴

H = \frac{4}{5.3}

Next Step Evaluate

∴

H = 0.754716981132076kg/kg of air

LAST Step Rounding Answer

∴

H = 0.7547kg/kg of air

Humidity ratio Formula Elements

Variables

Humidity Ratio

Humidity Ratio represents the ratio of the mass of water vapor to the mass of dry air in a mixture, expressing the absolute amount of moisture present in the air.

Symbol: H

Measurement: Specific HumidityUnit: kg/kg of air

Note: Value should be between 0 to 1.

Formulas to find Humidity Ratio

Water Vapour Mass

Water Vapour Mass is the amount of water vapor present in the air, typically measured in mass units such as kilograms or grams per cubic meter of air.

Symbol: M_wv

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Water Vapour Mass

Gas Mass

Gas Mass refers to the amount of water vapor present in a gas mixture, typically measured in units like grams of water vapor per kilogram of dry air.

Symbol: M_gas

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Gas Mass

Other formulas in Humidity Measurement category

Go Actual Humidity

H a = H s \cdot H r

Go Saturated Humidity

H s = \frac{H a}{H r}

Go Mass of Water Vapor in Mixture

M wv = H \cdot M gas

Go Mass of Dry Air or Gas in Mixture

M gas = \frac{M wv}{H}

How to Evaluate Humidity ratio?

Humidity ratio evaluator uses Humidity Ratio = Water Vapour Mass/Gas Mass to evaluate the Humidity Ratio, The Humidity ratio formula is defined as the specific humidity or humidity ratio of an air sample is the ratio of the weight of water vapor contained in the sample compared to the weight of the dry air in the same sample. Humidity Ratio is denoted by H symbol.

How to evaluate Humidity ratio using this online evaluator? To use this online evaluator for Humidity ratio, enter Water Vapour Mass (M_wv) & Gas Mass (M_gas) and hit the calculate button.

FAQs on Humidity ratio

What is the formula to find Humidity ratio?

The formula of Humidity ratio is expressed as Humidity Ratio = Water Vapour Mass/Gas Mass. Here is an example- 0.363636 = 4/5.3.

How to calculate Humidity ratio?

With Water Vapour Mass (M_wv) & Gas Mass (M_gas) we can find Humidity ratio using the formula - Humidity Ratio = Water Vapour Mass/Gas Mass.

Can the Humidity ratio be negative?

No, the Humidity ratio, measured in Specific Humidity cannot be negative.

Which unit is used to measure Humidity ratio?

Humidity ratio is usually measured using the Kg of water vapour per Kg of air[kg/kg of air] for Specific Humidity. are the few other units in which Humidity ratio can be measured.

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