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Bulk gas temperature in dehumidification Formula

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Bulk gas temperature is adiabatic mixing of the gas from a given cross section of duct will result in some equilibrium temperature that accurately reflects average temperature of the moving fluid. Check FAQs

Tg = (\frac{(h1 \cdot (t i - Tl)) - (hfg \cdot k y \cdot (Yg - Yi))}{hg}) + t i

Tg - Bulk Gas Temperature?h1 - Liquid Phase Heat Transfer Coefficient?t_i - Inside Temperature?Tl - Liquid layer temperature?hfg - Enthalpy of Evaporation?k_y - Gas Phase Mass Transfer Coefficient?Yg - Absolute Humidity of Air(tg)?Yi - Absolute Humidity (ti)?hg - Gas Phase Heat Transfer Coefficient?

Bulk gas temperature in dehumidification Example

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Here is how the Bulk gas temperature in dehumidification equation looks like with Values.

Here is how the Bulk gas temperature in dehumidification equation looks like with Units.

Here is how the Bulk gas temperature in dehumidification equation looks like.

7469.66 = (\frac{(10.8 \cdot (353 - 20)) - (90 \cdot 90 \cdot (16 - 50.7))}{40}) + 353

7469.66 = (\frac{(10.8W/m²*K \cdot (353K - 20)) - (90J/kg*K \cdot 90mol/s*m² \cdot (16 - 50.7))}{40W/m²*K}) + 353K

7469.66 = (\frac{(10.8 \cdot (353 - 20)) - (90 \cdot 90 \cdot (16 - 50.7))}{40}) + 353

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Bulk gas temperature in dehumidification Solution

Follow our step by step solution on how to calculate Bulk gas temperature in dehumidification?

FIRST Step Consider the formula

Tg = (\frac{(h1 \cdot (t i - Tl)) - (hfg \cdot k y \cdot (Yg - Yi))}{hg}) + t i

Next Step Substitute values of Variables

∴

Tg = (\frac{(10.8W/m²*K \cdot (353K - 20)) - (90J/kg*K \cdot 90mol/s*m² \cdot (16 - 50.7))}{40W/m²*K}) + 353K

Next Step Prepare to Evaluate

∴

Tg = (\frac{(10.8 \cdot (353 - 20)) - (90 \cdot 90 \cdot (16 - 50.7))}{40}) + 353

LAST Step Evaluate

∴

Tg = 7469.66

Bulk gas temperature in dehumidification Formula Elements

Variables

Bulk Gas Temperature

Bulk gas temperature is adiabatic mixing of the gas from a given cross section of duct will result in some equilibrium temperature that accurately reflects average temperature of the moving fluid.

Symbol: Tg

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Bulk Gas Temperature

Liquid Phase Heat Transfer Coefficient

Liquid Phase Heat Transfer Coefficient is the heat transfer in liquid per unit area in kelvin.

Symbol: h1

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value can be positive or negative.

Formulas to find Liquid Phase Heat Transfer Coefficient

Inside Temperature

Inside Temperature is the temperature of air present inside.

Symbol: t_i

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Inside Temperature

Liquid layer temperature

Liquid layer temperature is defined as the temperature of the flowing liquid layer in dehumidification.

Symbol: Tl

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Liquid layer 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

Gas Phase Mass Transfer Coefficient

Gas phase mass transfer coefficient is a diffusion rate constant that relates the mass transfer rate, mass transfer area, and concentration change as driving force.

Symbol: k_y

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

Note: Value can be positive or negative.

Formulas to find Gas Phase Mass Transfer Coefficient

Absolute Humidity of Air(tg)

Absolute Humidity of Air(tg) at the initial air temperature.

Symbol: Yg

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Absolute Humidity of Air(tg)

Absolute Humidity (ti)

Absolute humidity (ti) is the quality of water vapor in the wet air of unit volume at temperature ti.

Symbol: Yi

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Absolute Humidity (ti)

Gas Phase Heat Transfer Coefficient

Gas Phase Heat Transfer Coefficient is the heat transfer in gas per unit area in kelvin.

Symbol: hg

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value can be positive or negative.

Formulas to find Gas Phase Heat Transfer Coefficient

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 Bulk gas temperature in dehumidification?

Bulk gas temperature in dehumidification evaluator uses Bulk Gas Temperature = (((Liquid Phase Heat Transfer Coefficient*(Inside Temperature-Liquid layer temperature))-(Enthalpy of Evaporation*Gas Phase Mass Transfer Coefficient*(Absolute Humidity of Air(tg)-Absolute Humidity (ti))))/Gas Phase Heat Transfer Coefficient)+Inside Temperature to evaluate the Bulk Gas Temperature, The Bulk gas temperature in dehumidification formula is defined as the adiabatic mixing of the gas from a given cross section of the duct will result in some equilibrium temperature that accurately reflects the average temperature of the moving fluid. Bulk Gas Temperature is denoted by Tg symbol.

How to evaluate Bulk gas temperature in dehumidification using this online evaluator? To use this online evaluator for Bulk gas temperature in dehumidification, enter Liquid Phase Heat Transfer Coefficient (h1), Inside Temperature (t_i), Liquid layer temperature (Tl), Enthalpy of Evaporation (hfg), Gas Phase Mass Transfer Coefficient (k_y), Absolute Humidity of Air(tg) (Yg), Absolute Humidity (ti) (Yi) & Gas Phase Heat Transfer Coefficient (hg) and hit the calculate button.

FAQs on Bulk gas temperature in dehumidification

What is the formula to find Bulk gas temperature in dehumidification?

The formula of Bulk gas temperature in dehumidification is expressed as Bulk Gas Temperature = (((Liquid Phase Heat Transfer Coefficient*(Inside Temperature-Liquid layer temperature))-(Enthalpy of Evaporation*Gas Phase Mass Transfer Coefficient*(Absolute Humidity of Air(tg)-Absolute Humidity (ti))))/Gas Phase Heat Transfer Coefficient)+Inside Temperature. Here is an example- 6688.91 = (((10.8*(353-20))-(90*90*(16-50.7)))/40)+353.

How to calculate Bulk gas temperature in dehumidification?

With Liquid Phase Heat Transfer Coefficient (h1), Inside Temperature (t_i), Liquid layer temperature (Tl), Enthalpy of Evaporation (hfg), Gas Phase Mass Transfer Coefficient (k_y), Absolute Humidity of Air(tg) (Yg), Absolute Humidity (ti) (Yi) & Gas Phase Heat Transfer Coefficient (hg) we can find Bulk gas temperature in dehumidification using the formula - Bulk Gas Temperature = (((Liquid Phase Heat Transfer Coefficient*(Inside Temperature-Liquid layer temperature))-(Enthalpy of Evaporation*Gas Phase Mass Transfer Coefficient*(Absolute Humidity of Air(tg)-Absolute Humidity (ti))))/Gas Phase Heat Transfer Coefficient)+Inside Temperature.

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Bulk gas temperature in dehumidification Formula

Bulk gas temperature in dehumidification Example

Bulk gas temperature in dehumidification Solution

Bulk gas temperature in dehumidification Formula Elements

Other formulas in Humidification category

How to Evaluate Bulk gas temperature in dehumidification?

FAQs on Bulk gas temperature in dehumidification

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