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Convective Mass Transfer Coefficient Formula

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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{m a}{ρ a1 - ρ a2}

k_L - Convective Mass Transfer Coefficient?m_a - Mass Flux of Diffusion Component A?ρ_a1 - Mass Concentration of Component A in Mixture 1?ρ_a2 - Mass Concentration of Component A in Mixture 2?

Convective Mass Transfer Coefficient Example

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Here is how the Convective Mass Transfer Coefficient equation looks like with Values.

Here is how the Convective Mass Transfer Coefficient equation looks like with Units.

Here is how the Convective Mass Transfer Coefficient equation looks like.

0.45 = \frac{9}{40 - 20}

0.45m/s = \frac{9kg/s/m²}{40kg/m³ - 20kg/m³}

0.45 = \frac{9}{40 - 20}

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Convective Mass Transfer Coefficient Solution

Follow our step by step solution on how to calculate Convective Mass Transfer Coefficient?

FIRST Step Consider the formula

k L = \frac{m a}{ρ a1 - ρ a2}

Next Step Substitute values of Variables

∴

k L = \frac{9kg/s/m²}{40kg/m³ - 20kg/m³}

Next Step Prepare to Evaluate

∴

k L = \frac{9}{40 - 20}

LAST Step Evaluate

∴

k L = 0.45m/s

Convective Mass Transfer Coefficient 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

Mass Flux of Diffusion Component A

Mass Flux of Diffusion Component A is the diffusion of component A into another component B.

Symbol: m_a

Measurement: Mass FluxUnit: kg/s/m²

Note: Value can be positive or negative.

Formulas to find Mass Flux of Diffusion Component A

Mass Concentration of Component A in Mixture 1

Mass Concentration of Component A in Mixture 1 is the concentration of component A per unit volume in mixture 1.

Symbol: ρ_a1

Measurement: DensityUnit: kg/m³

Note: Value can be positive or negative.

Formulas to find Mass Concentration of Component A in Mixture 1

Mass Concentration of Component A in Mixture 2

The Mass Concentration of component A in Mixture 2 is the concentration of component A per unit volume in mixture 2.

Symbol: ρ_a2

Measurement: DensityUnit: kg/m³

Note: Value can be positive or negative.

Formulas to find Mass Concentration of Component A in Mixture 2

Other formulas in Molar Diffusion category

Go Average Sherwood Number of Combined Laminar and Turbulent Flow

N sh = ((0.037 \cdot ({Re}^{0.8})) - 871) \cdot ({Sc}^{0.333})

Go Average Sherwood Number of Flat Plate Turbulent Flow

N sh = 0.037 \cdot ({Re}^{0.8})

Go Average Sherwood Number of Internal Turbulent Flow

N sh = 0.023 \cdot ({Re}^{0.83}) \cdot ({Sc}^{0.44})

Go Convective Mass Transfer Coefficient for Simultaneous Heat and Mass Transfer

k L = \frac{h t}{Q s \cdot ρ L \cdot ({L e}^{0.67})}

How to Evaluate Convective Mass Transfer Coefficient?

Convective Mass Transfer Coefficient evaluator uses Convective Mass Transfer Coefficient = Mass Flux of Diffusion Component A/(Mass Concentration of Component A in Mixture 1-Mass Concentration of Component A in Mixture 2) to evaluate the Convective Mass Transfer Coefficient, The convective mass transfer coefficient is an important parameter, since it is a measure of the resistance to mass transfer between the fluid flowing in a duct and the surface of the duct. Convective Mass Transfer Coefficient is denoted by k_L symbol.

How to evaluate Convective Mass Transfer Coefficient using this online evaluator? To use this online evaluator for Convective Mass Transfer Coefficient, enter Mass Flux of Diffusion Component A (m_a), Mass Concentration of Component A in Mixture 1 (ρ_a1) & Mass Concentration of Component A in Mixture 2 (ρ_a2) and hit the calculate button.

FAQs on Convective Mass Transfer Coefficient

What is the formula to find Convective Mass Transfer Coefficient?

The formula of Convective Mass Transfer Coefficient is expressed as Convective Mass Transfer Coefficient = Mass Flux of Diffusion Component A/(Mass Concentration of Component A in Mixture 1-Mass Concentration of Component A in Mixture 2). Here is an example- 0.45 = 9/(40-20).

How to calculate Convective Mass Transfer Coefficient?

With Mass Flux of Diffusion Component A (m_a), Mass Concentration of Component A in Mixture 1 (ρ_a1) & Mass Concentration of Component A in Mixture 2 (ρ_a2) we can find Convective Mass Transfer Coefficient using the formula - Convective Mass Transfer Coefficient = Mass Flux of Diffusion Component A/(Mass Concentration of Component A in Mixture 1-Mass Concentration of Component A in Mixture 2).

Can the Convective Mass Transfer Coefficient be negative?

Yes, the Convective Mass Transfer Coefficient, measured in Speed can be negative.

Which unit is used to measure Convective Mass Transfer Coefficient?

Convective Mass Transfer Coefficient 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 can be measured.

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Convective Mass Transfer Coefficient Formula

Convective Mass Transfer Coefficient Example

Convective Mass Transfer Coefficient Solution

Convective Mass Transfer Coefficient Formula Elements

Other formulas in Molar Diffusion category

How to Evaluate Convective Mass Transfer Coefficient?

FAQs on Convective Mass Transfer Coefficient

Variable Name