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Ambient Air Humidity based on Wet Bulb Temperature Formula

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Ambient air humidity refers to the moisture content present in the surrounding air at a given location an temperature. Check FAQs

Y A = Y W' - (\frac{h G}{k Y' \cdot λ W}) \cdot (T G - T W)

Y_A - Ambient Air Humidity?Y_W' - Air Humidity at Wet Bulb Temperature?h_G - Heat Transfer Coefficient of the Air Film?k_Y' - Mass Transfer Coefficient of the Moisture?λ_W - Heat of Vaporization at Wet Bulb Temperature?T_G - Temperature of Air?T_W - Wet Bulb Temperature?

Ambient Air Humidity based on Wet Bulb Temperature Example

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Here is how the Ambient Air Humidity based on Wet Bulb Temperature equation looks like with Values.

Here is how the Ambient Air Humidity based on Wet Bulb Temperature equation looks like with Units.

Here is how the Ambient Air Humidity based on Wet Bulb Temperature equation looks like.

0.0157 = 0.021 - (\frac{13.32}{0.01 \cdot 2250}) \cdot (30 - 21)

0.0157kg/kg of air = 0.021kg/kg of air - (\frac{13.32W/m²*K}{0.01mol/s*m² \cdot 2250kJ/kg}) \cdot (30°C - 21°C)

0.0157 = 0.021 - (\frac{13.32}{0.01 \cdot 2250}) \cdot (30 - 21)

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Ambient Air Humidity based on Wet Bulb Temperature Solution

Follow our step by step solution on how to calculate Ambient Air Humidity based on Wet Bulb Temperature?

FIRST Step Consider the formula

Y A = Y W' - (\frac{h G}{k Y' \cdot λ W}) \cdot (T G - T W)

Next Step Substitute values of Variables

∴

Y A = 0.021kg/kg of air - (\frac{13.32W/m²*K}{0.01mol/s*m² \cdot 2250kJ/kg}) \cdot (30°C - 21°C)

Next Step Convert Units

∴

Y A = 0.021kg/kg of air - (\frac{13.32W/m²*K}{0.01mol/s*m² \cdot 2.3E+6J/kg}) \cdot (303.15K - 294.15K)

Next Step Prepare to Evaluate

∴

Y A = 0.021 - (\frac{13.32}{0.01 \cdot 2.3E+6}) \cdot (303.15 - 294.15)

Next Step Evaluate

∴

Y A = 0.015672kg/kg of air

LAST Step Rounding Answer

∴

Y A = 0.0157kg/kg of air

Ambient Air Humidity based on Wet Bulb Temperature Formula Elements

Variables

Ambient Air Humidity

Ambient air humidity refers to the moisture content present in the surrounding air at a given location an temperature.

Symbol: Y_A

Measurement: Specific HumidityUnit: kg/kg of air

Note: Value should be greater than 0.

Formulas to find Ambient Air Humidity

Air Humidity at Wet Bulb Temperature

Air humidity at Wet Bulb Temperature refers to the moisture content present in the surrounding air at a given location at the Wet Bulb temperature.

Symbol: Y_W'

Measurement: Specific HumidityUnit: kg/kg of air

Note: Value should be greater than 0.

Formulas to find Air Humidity at Wet Bulb Temperature

Heat Transfer Coefficient of the Air Film

Heat Transfer Coefficient of the Air Film is the proportionality factor between the heat transfer rate and the temperature driving force.

Symbol: h_G

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value should be greater than 0.

Formulas to find Heat Transfer Coefficient of the Air Film

Mass Transfer Coefficient of the Moisture

Mass Transfer Coefficient of the Moisture is the proportionality factor between the mass transfer rate and the concentration driving force.

Symbol: k_Y'

Measurement: Molar Flux of Diffusing ComponentUnit: mol/s*m²

Note: Value should be greater than 0.

Formulas to find Mass Transfer Coefficient of the Moisture

Heat of Vaporization at Wet Bulb Temperature

The heat of vaporization at wet bulb temperature is the energy required per unit mass to convert liquid water into vapor at the wet bulb temperature of the gas liquid mixture.

Symbol: λ_W

Measurement: Latent HeatUnit: kJ/kg

Note: Value should be greater than 0.

Formulas to find Heat of Vaporization at Wet Bulb Temperature

Temperature of Air

The Temperature of Air is defined as the temperature at which the air-water mixture properties in humidification are calculated.

Symbol: T_G

Measurement: TemperatureUnit: °C

Note: Value should be greater than -273.15.

Formulas to find Temperature of Air

Wet Bulb Temperature

Wet bulb temperature is the lowest temperature attainable by evaporating water into air at constant pressure.

Symbol: T_W

Measurement: TemperatureUnit: °C

Note: Value should be greater than -273.15.

Formulas to find Wet Bulb Temperature

Other formulas in Adiabatic Saturation Temperature and Wet Bulb Temperature category

Go Adiabatic Saturation Temperature

T S = T G - (Y S' - Y') \cdot (\frac{λ S}{C s})

Go Air Inlet Temperature based on Adiabatic Saturation Temperature

T G = (Y S' - Y') \cdot (\frac{λ S}{C s}) + T S

How to Evaluate Ambient Air Humidity based on Wet Bulb Temperature?

Ambient Air Humidity based on Wet Bulb Temperature evaluator uses Ambient Air Humidity = Air Humidity at Wet Bulb Temperature-(Heat Transfer Coefficient of the Air Film/(Mass Transfer Coefficient of the Moisture*Heat of Vaporization at Wet Bulb Temperature))*(Temperature of Air-Wet Bulb Temperature) to evaluate the Ambient Air Humidity, The Ambient Air Humidity based on Wet Bulb Temperature formula is defined as the humidity of the ambient air based on its humidity at wet bulb temperature and the heat and mass transfer rates. Ambient Air Humidity is denoted by Y_A symbol.

How to evaluate Ambient Air Humidity based on Wet Bulb Temperature using this online evaluator? To use this online evaluator for Ambient Air Humidity based on Wet Bulb Temperature, enter Air Humidity at Wet Bulb Temperature (Y_W'), Heat Transfer Coefficient of the Air Film (h_G), Mass Transfer Coefficient of the Moisture (k_Y'), Heat of Vaporization at Wet Bulb Temperature (λ_W), Temperature of Air (T_G) & Wet Bulb Temperature (T_W) and hit the calculate button.

FAQs on Ambient Air Humidity based on Wet Bulb Temperature

What is the formula to find Ambient Air Humidity based on Wet Bulb Temperature?

The formula of Ambient Air Humidity based on Wet Bulb Temperature is expressed as Ambient Air Humidity = Air Humidity at Wet Bulb Temperature-(Heat Transfer Coefficient of the Air Film/(Mass Transfer Coefficient of the Moisture*Heat of Vaporization at Wet Bulb Temperature))*(Temperature of Air-Wet Bulb Temperature). Here is an example- -5.307 = 0.021-(13.32/(0.01*2250000))*(303.15-294.15).

How to calculate Ambient Air Humidity based on Wet Bulb Temperature?

With Air Humidity at Wet Bulb Temperature (Y_W'), Heat Transfer Coefficient of the Air Film (h_G), Mass Transfer Coefficient of the Moisture (k_Y'), Heat of Vaporization at Wet Bulb Temperature (λ_W), Temperature of Air (T_G) & Wet Bulb Temperature (T_W) we can find Ambient Air Humidity based on Wet Bulb Temperature using the formula - Ambient Air Humidity = Air Humidity at Wet Bulb Temperature-(Heat Transfer Coefficient of the Air Film/(Mass Transfer Coefficient of the Moisture*Heat of Vaporization at Wet Bulb Temperature))*(Temperature of Air-Wet Bulb Temperature).

Can the Ambient Air Humidity based on Wet Bulb Temperature be negative?

No, the Ambient Air Humidity based on Wet Bulb Temperature, measured in Specific Humidity cannot be negative.

Which unit is used to measure Ambient Air Humidity based on Wet Bulb Temperature?

Ambient Air Humidity based on Wet Bulb Temperature 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 Ambient Air Humidity based on Wet Bulb Temperature can be measured.

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Ambient Air Humidity based on Wet Bulb Temperature Formula

Ambient Air Humidity based on Wet Bulb Temperature Example

Ambient Air Humidity based on Wet Bulb Temperature Solution

Ambient Air Humidity based on Wet Bulb Temperature Formula Elements

Other formulas in Adiabatic Saturation Temperature and Wet Bulb Temperature category

How to Evaluate Ambient Air Humidity based on Wet Bulb Temperature?

FAQs on Ambient Air Humidity based on Wet Bulb Temperature

Variable Name