FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Convective mass transfer coefficient in humidification Formula

Fx Copy

LaTeX Copy

Convective Mass Transfer Coefficient is a function of geometry of the system and the velocity and properties of the fluid similar to the heat transfer coefficient. Check FAQs

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

k_L - Convective Mass Transfer Coefficient?h_Conv - Convective Heat Transfer Coefficient?T∞ - Air Temperature?T_w - Wet Bulb Temperature?hfg - Enthalpy of Evaporation?Pw - Partial Pressure?P∞ - Partial Pressure in air?

Convective mass transfer coefficient in humidification Example

With values

With units

Only example

Here is how the Convective mass transfer coefficient in humidification equation looks like with Values.

Here is how the Convective mass transfer coefficient in humidification equation looks like with Units.

Here is how the Convective mass transfer coefficient in humidification equation looks like.

0.009 = \frac{0.5 \cdot (35 - 14)}{90 \cdot (13 - 0.016)}

0.009m/s = \frac{0.5W/m²*K \cdot (35 - 14)}{90J/kg*K \cdot (13 - 0.016)}

0.009 = \frac{0.5 \cdot (35 - 14)}{90 \cdot (13 - 0.016)}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Mechanical » Category

Heat and Mass Transfer » fx Convective mass transfer coefficient in humidification

Convective mass transfer coefficient in humidification Solution

Follow our step by step solution on how to calculate Convective mass transfer coefficient in humidification?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

k L = \frac{0.5W/m²*K \cdot (35 - 14)}{90J/kg*K \cdot (13 - 0.016)}

Next Step Prepare to Evaluate

∴

k L = \frac{0.5 \cdot (35 - 14)}{90 \cdot (13 - 0.016)}

Next Step Evaluate

∴

k L = 0.0089854179502978m/s

LAST Step Rounding Answer

∴

k L = 0.009m/s

Convective mass transfer coefficient in humidification Formula Elements

Variables

Convective Mass Transfer Coefficient

Convective Mass Transfer Coefficient is a function of geometry of the system and the velocity and properties of the fluid similar to the heat transfer coefficient.

Symbol: k_L

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Convective Mass Transfer Coefficient

Convective Heat Transfer Coefficient

Convective Heat Transfer Coefficient is the heat transfer due to convection.

Symbol: h_Conv

Measurement: Heat Transfer CoefficientUnit: W/m²*K

Note: Value can be positive or negative.

Formulas to find Convective Heat Transfer Coefficient

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

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

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

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 Liquid layer temperature in dehumidification

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

How to Evaluate Convective mass transfer coefficient in humidification?

Convective mass transfer coefficient in humidification evaluator uses Convective Mass Transfer Coefficient = (Convective Heat Transfer Coefficient*(Air Temperature-Wet Bulb Temperature))/(Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air)) to evaluate the Convective Mass Transfer Coefficient, The Convective mass transfer coefficient in humidification formula is defined as diffusion rate constant that relates the mass transfer rate, mass transfer area, and concentration change as driving force due to convection. Convective Mass Transfer Coefficient is denoted by k_L symbol.

How to evaluate Convective mass transfer coefficient in humidification using this online evaluator? To use this online evaluator for Convective mass transfer coefficient in humidification, enter Convective Heat Transfer Coefficient (h_Conv), Air Temperature (T∞), Wet Bulb Temperature (T_w), Enthalpy of Evaporation (hfg), Partial Pressure (Pw) & Partial Pressure in air (P∞) and hit the calculate button.

FAQs on Convective mass transfer coefficient in humidification

What is the formula to find Convective mass transfer coefficient in humidification?

The formula of Convective mass transfer coefficient in humidification is expressed as Convective Mass Transfer Coefficient = (Convective Heat Transfer Coefficient*(Air Temperature-Wet Bulb Temperature))/(Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air)). Here is an example- 0.010109 = (0.5*(35-14))/(90*(13-0.016)).

How to calculate Convective mass transfer coefficient in humidification?

With Convective Heat Transfer Coefficient (h_Conv), Air Temperature (T∞), Wet Bulb Temperature (T_w), Enthalpy of Evaporation (hfg), Partial Pressure (Pw) & Partial Pressure in air (P∞) we can find Convective mass transfer coefficient in humidification using the formula - Convective Mass Transfer Coefficient = (Convective Heat Transfer Coefficient*(Air Temperature-Wet Bulb Temperature))/(Enthalpy of Evaporation*(Partial Pressure-Partial Pressure in air)).

Can the Convective mass transfer coefficient in humidification be negative?

Yes, the Convective mass transfer coefficient in humidification, measured in Speed can be negative.

Which unit is used to measure Convective mass transfer coefficient in humidification?

Convective mass transfer coefficient in humidification is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Convective mass transfer coefficient in humidification can be measured.

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Convective mass transfer coefficient in humidification Formula

Convective mass transfer coefficient in humidification Example

Convective mass transfer coefficient in humidification Solution

Convective mass transfer coefficient in humidification Formula Elements

Other formulas in Humidification category

How to Evaluate Convective mass transfer coefficient in humidification?

FAQs on Convective mass transfer coefficient in humidification

Variable Name