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Mass velocity of air per unit area Formula

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Mass velocity of air is the amount of air travelling per unit area in a second. Check FAQs

G = \frac{Z \cdot k y}{\ln (\frac{Ya - Y1}{Ya - Y2})}

G - Mass Velocity of Air?Z - Height?k_y - Gas Phase Mass Transfer Coefficient?Ya - Absolute Humidity of Air(ta)?Y1 - Humidity of Air at Entry(t)?Y2 - Humidity of air at exit?

Mass velocity of air per unit area Example

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Here is how the Mass velocity of air per unit area equation looks like with Units.

Here is how the Mass velocity of air per unit area equation looks like.

17.9059 = \frac{0.05 \cdot 90}{\ln (\frac{8 - 17}{8 - 15})}

17.9059 = \frac{0.05m \cdot 90mol/s*m²}{\ln (\frac{8 - 17}{8 - 15})}

17.9059 = \frac{0.05 \cdot 90}{\ln (\frac{8 - 17}{8 - 15})}

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Mass velocity of air per unit area Solution

Follow our step by step solution on how to calculate Mass velocity of air per unit area?

FIRST Step Consider the formula

G = \frac{Z \cdot k y}{\ln (\frac{Ya - Y1}{Ya - Y2})}

Next Step Substitute values of Variables

∴

G = \frac{0.05m \cdot 90mol/s*m²}{\ln (\frac{8 - 17}{8 - 15})}

Next Step Prepare to Evaluate

∴

G = \frac{0.05 \cdot 90}{\ln (\frac{8 - 17}{8 - 15})}

Next Step Evaluate

∴

G = 17.9058561451559

LAST Step Rounding Answer

∴

G = 17.9059

Mass velocity of air per unit area Formula Elements

Variables

Functions

Mass Velocity of Air

Mass velocity of air is the amount of air travelling per unit area in a second.

Symbol: G

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Mass Velocity of Air

Height

Height of the tower is the total length of the tower from the top to the bottom.

Symbol: Z

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Height

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(ta)

Absolute Humidity of Air(ta) at the final equilibrium air temperature.

Symbol: Ya

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Absolute Humidity of Air(ta)

Humidity of Air at Entry(t)

Humidity of Air at Entry(t) is the quantity of water vapor at wet air in the entrance of the tower.

Symbol: Y1

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Humidity of Air at Entry(t)

Humidity of air at exit

Humidity of air at exit is the quantity of water vapor at wet air in the exit of the tower.

Symbol: Y2

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Humidity of air at exit

The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function.

Syntax: ln(Number)

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∞)}

Go Liquid layer temperature in dehumidification

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

Go Gas phase heat transfer coefficient in dehumidification

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

How to Evaluate Mass velocity of air per unit area?

Mass velocity of air per unit area evaluator uses Mass Velocity of Air = (Height*Gas Phase Mass Transfer Coefficient)/ln((Absolute Humidity of Air(ta)-Humidity of Air at Entry(t))/(Absolute Humidity of Air(ta)-Humidity of air at exit)) to evaluate the Mass Velocity of Air, The Mass velocity of air per unit area formula is defined as the mass velocity of the air moving per unit area per second in humidification. Mass Velocity of Air is denoted by G symbol.

How to evaluate Mass velocity of air per unit area using this online evaluator? To use this online evaluator for Mass velocity of air per unit area, enter Height (Z), Gas Phase Mass Transfer Coefficient (k_y), Absolute Humidity of Air(ta) (Ya), Humidity of Air at Entry(t) (Y1) & Humidity of air at exit (Y2) and hit the calculate button.

FAQs on Mass velocity of air per unit area

What is the formula to find Mass velocity of air per unit area?

The formula of Mass velocity of air per unit area is expressed as Mass Velocity of Air = (Height*Gas Phase Mass Transfer Coefficient)/ln((Absolute Humidity of Air(ta)-Humidity of Air at Entry(t))/(Absolute Humidity of Air(ta)-Humidity of air at exit)). Here is an example- 17.90586 = (0.05*90)/ln((8-17)/(8-15)).

How to calculate Mass velocity of air per unit area?

With Height (Z), Gas Phase Mass Transfer Coefficient (k_y), Absolute Humidity of Air(ta) (Ya), Humidity of Air at Entry(t) (Y1) & Humidity of air at exit (Y2) we can find Mass velocity of air per unit area using the formula - Mass Velocity of Air = (Height*Gas Phase Mass Transfer Coefficient)/ln((Absolute Humidity of Air(ta)-Humidity of Air at Entry(t))/(Absolute Humidity of Air(ta)-Humidity of air at exit)). This formula also uses Natural Logarithm (ln) function(s).

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Mass velocity of air per unit area Formula

Mass velocity of air per unit area Example

Mass velocity of air per unit area Solution

Mass velocity of air per unit area Formula Elements

Other formulas in Humidification category

How to Evaluate Mass velocity of air per unit area?

FAQs on Mass velocity of air per unit area

Variable Name