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Wet bulb temperature given gas constant of water vapor Formula

GoWet bulb temperature of humidification Formula

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Wet Bulb Temperature is the temperature of the wet bulb and denoted by the symbol Tw. Check FAQs

T w = T∞ - (\frac{hfg \cdot (Pw - P∞)}{Rw \cdot ρ \cdot cp \cdot Tf \cdot ({L e}^{0.67})})

T_w - Wet Bulb Temperature?T∞ - Air Temperature?hfg - Enthalpy of Evaporation?Pw - Partial Pressure?P∞ - Partial Pressure in air?Rw - Gas constant?ρ - Density?cp - Specific Heat of Air?Tf - Mean Temperature?L_e - Lewis Number?

Wet bulb temperature given gas constant of water vapor Example

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Here is how the Wet bulb temperature given gas constant of water vapor equation looks like with Values.

Here is how the Wet bulb temperature given gas constant of water vapor equation looks like with Units.

Here is how the Wet bulb temperature given gas constant of water vapor equation looks like.

34.9997 = 35 - (\frac{90 \cdot (13 - 0.016)}{8.314 \cdot 997 \cdot 3 \cdot 55 \cdot ({4.5}^{0.67})})

34.9997 = 35 - (\frac{90J/kg*K \cdot (13 - 0.016)}{8.314 \cdot 997kg/m³ \cdot 3J/(kg*K) \cdot 55 \cdot ({4.5}^{0.67})})

34.9997 = 35 - (\frac{90 \cdot (13 - 0.016)}{8.314 \cdot 997 \cdot 3 \cdot 55 \cdot ({4.5}^{0.67})})

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Wet bulb temperature given gas constant of water vapor Solution

Follow our step by step solution on how to calculate Wet bulb temperature given gas constant of water vapor?

FIRST Step Consider the formula

T w = T∞ - (\frac{hfg \cdot (Pw - P∞)}{Rw \cdot ρ \cdot cp \cdot Tf \cdot ({L e}^{0.67})})

Next Step Substitute values of Variables

∴

T w = 35 - (\frac{90J/kg*K \cdot (13 - 0.016)}{8.314 \cdot 997kg/m³ \cdot 3J/(kg*K) \cdot 55 \cdot ({4.5}^{0.67})})

Next Step Prepare to Evaluate

∴

T w = 35 - (\frac{90 \cdot (13 - 0.016)}{8.314 \cdot 997 \cdot 3 \cdot 55 \cdot ({4.5}^{0.67})})

Next Step Evaluate

∴

T w = 34.9996881042124

LAST Step Rounding Answer

∴

T w = 34.9997

Wet bulb temperature given gas constant of water vapor Formula Elements

Variables

Wet Bulb Temperature

Wet Bulb Temperature is the temperature of the wet bulb and denoted by the symbol Tw.

Symbol: T_w

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Wet Bulb Temperature

Air Temperature

Air temperature is the temperature of the air surrounding an individual and is typically measured in degrees Celsius (°C) or in Kelvin.

Symbol: T∞

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Air Temperature

Enthalpy of Evaporation

Enthalpy of evaporation is the amount of energy (enthalpy) that must be added to a liquid substance to transform a quantity of that substance into a gas.

Symbol: hfg

Measurement: Specific EntropyUnit: J/kg*K

Note: Value can be positive or negative.

Formulas to find Enthalpy of Evaporation

Partial Pressure

Partial pressure of the water vapor at wet bulb temperature.

Symbol: Pw

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Partial Pressure

Partial Pressure in air

Partial pressure in air of the water vapor is the pressure of water in the mixture of water and air.

Symbol: P∞

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Partial Pressure in air

Gas constant

Gas constant is the value of gas constant of water vapour.

Symbol: Rw

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Gas constant

Density

The Density of a material shows the denseness of that material in a specific given area. This is taken as mass per unit volume of a given object.

Symbol: ρ

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Density

Specific Heat of Air

Specific heat of air is the heat required to raise the temperature of a air by one degree to that required to raise the temperature of an equal mass of water one degree.

Symbol: cp

Measurement: Specific Heat CapacityUnit: J/(kg*K)

Note: Value can be positive or negative.

Formulas to find Specific Heat of Air

Mean Temperature

Mean temperature is the mean value of all the observed temperatures.

Symbol: Tf

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Mean Temperature

Lewis Number

The Lewis Number is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.

Symbol: L_e

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Lewis Number

Other Formulas to find Wet Bulb Temperature

Go Wet bulb temperature of humidification

T w = T∞ - (\frac{0.622 \cdot hfg}{cp \cdot ({L e}^{0.67})}) \cdot ((\frac{Pw}{P T}) - (\frac{P∞}{P T}))

Other formulas in Humidification category

Go Enthalpy of evaporation for water in humidification

hfg = \frac{h Conv \cdot (T∞ - T w)}{k L \cdot (Pw - P∞)}

Go Convective mass transfer coefficient in humidification

k L = \frac{h Conv \cdot (T∞ - T w)}{hfg \cdot (Pw - P∞)}

How to Evaluate Wet bulb temperature given gas constant of water vapor?

Wet bulb temperature given gas constant of water vapor evaluator uses Wet Bulb Temperature = Air Temperature-((Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air))/(Gas constant*Density*Specific Heat of Air*Mean Temperature*(Lewis Number^0.67))) to evaluate the Wet Bulb Temperature, The Wet bulb temperature given gas constant of water vapor formula is defined as the temperature of the parcel of air cooled to saturation. Wet Bulb Temperature is denoted by T_w symbol.

How to evaluate Wet bulb temperature given gas constant of water vapor using this online evaluator? To use this online evaluator for Wet bulb temperature given gas constant of water vapor, enter Air Temperature (T∞), Enthalpy of Evaporation (hfg), Partial Pressure (Pw), Partial Pressure in air (P∞), Gas constant (Rw), Density (ρ), Specific Heat of Air (cp), Mean Temperature (Tf) & Lewis Number (L_e) and hit the calculate button.

FAQs on Wet bulb temperature given gas constant of water vapor

What is the formula to find Wet bulb temperature given gas constant of water vapor?

The formula of Wet bulb temperature given gas constant of water vapor is expressed as Wet Bulb Temperature = Air Temperature-((Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air))/(Gas constant*Density*Specific Heat of Air*Mean Temperature*(Lewis Number^0.67))). Here is an example- 34.99972 = 35-((90*(13-0.016))/(8.314*997*3*55*(4.5^0.67))).

How to calculate Wet bulb temperature given gas constant of water vapor?

With Air Temperature (T∞), Enthalpy of Evaporation (hfg), Partial Pressure (Pw), Partial Pressure in air (P∞), Gas constant (Rw), Density (ρ), Specific Heat of Air (cp), Mean Temperature (Tf) & Lewis Number (L_e) we can find Wet bulb temperature given gas constant of water vapor using the formula - Wet Bulb Temperature = Air Temperature-((Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air))/(Gas constant*Density*Specific Heat of Air*Mean Temperature*(Lewis Number^0.67))).

What are the other ways to Calculate Wet Bulb Temperature?

Here are the different ways to Calculate Wet Bulb Temperature-

Wet Bulb Temperature=Air Temperature-((0.622*Enthalpy of Evaporation)/(Specific Heat of Air*(Lewis Number^0.67)))*((Partial Pressure/Total Pressure)-(Partial Pressure in air/Total Pressure))

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Wet bulb temperature given gas constant of water vapor Formula

​GoWet bulb temperature of humidification Formula

Wet bulb temperature given gas constant of water vapor Example

Wet bulb temperature given gas constant of water vapor Solution

Wet bulb temperature given gas constant of water vapor Formula Elements

Other Formulas to find Wet Bulb Temperature

Other formulas in Humidification category

How to Evaluate Wet bulb temperature given gas constant of water vapor?

FAQs on Wet bulb temperature given gas constant of water vapor

Variable Name

GoWet bulb temperature of humidification Formula