Mass Transfer Stanton Number Calculator

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Convective Mass Transfer

Basics of HMT

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Convective Mass Transfer Coefficient

Free Stream Velocity

✖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.ⓘ Convective Mass Transfer Coefficient [k_L]			+10% -10%
✖Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.ⓘ Free Stream Velocity [u_∞]			+10% -10%

✖Mass Transfer Stanton Number is the ratio of heat transferred into a fluid to the thermal capacity of the fluid.ⓘ Mass Transfer Stanton Number [St_m]

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Formula

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Mass Transfer Stanton Number

Formula

`"St"_{"m"} = "k"_{"L"}/"u"_{"∞"}`

Example

`"0.000905"="9.5e-3m/s"/"10.5m/s"`

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Mass Transfer Stanton Number Solution

STEP 0: Pre-Calculation Summary

Formula Used

Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity
St_m = k_L/u_∞
This formula uses 3 Variables

Variables Used

Mass Transfer Stanton Number - Mass Transfer Stanton Number is the ratio of heat transferred into a fluid to the thermal capacity of the fluid.
Convective Mass Transfer Coefficient - (Measured in Meter per Second) - 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.
Free Stream Velocity - (Measured in Meter per Second) - Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.

STEP 1: Convert Input(s) to Base Unit

Convective Mass Transfer Coefficient: 0.0095 Meter per Second --> 0.0095 Meter per Second No Conversion Required
Free Stream Velocity: 10.5 Meter per Second --> 10.5 Meter per Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

St_m = k_L/u_∞ --> 0.0095/10.5

Evaluating ... ...

St_m = 0.000904761904761905

STEP 3: Convert Result to Output's Unit

0.000904761904761905 --> No Conversion Required

FINAL ANSWER

0.000904761904761905 ≈ 0.000905 <-- Mass Transfer Stanton Number

(Calculation completed in 00.020 seconds)

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Created by Nishan Poojary

Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi

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< 19 Convective Mass Transfer Calculators

Partial pressure of component A in mixture 1

Go Partial Pressure of Component A in Mixture 1 = Partial Pressure of Component B in Mixture 2-Partial Pressure of Component B in Mixture 1+Partial Pressure of Component A in Mixture 2

Heat Transfer Coefficient for Simultaneous Heat and Mass Transfer

Go Heat Transfer Coefficient = Convective Mass Transfer Coefficient*Density of Liquid*Specific Heat*(Lewis Number^0.67)

Density of material given convective heat and mass transfer coefficient

Go Density = (Heat Transfer Coefficient)/(Convective Mass Transfer Coefficient*Specific Heat*(Lewis Number^0.67))

Specific heat given convective heat and mass transfer

Go Specific Heat = Heat Transfer Coefficient/(Convective Mass Transfer Coefficient*Density*(Lewis Number^0.67))

Drag Coefficient of Flat Plate Laminar Flow using Schmidt Number

Go Drag Coefficient = (2*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity

Friction factor of flat plate laminar flow

Go Friction Factor = (8*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity

Friction factor in internal flow

Go Friction Factor = (8*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity

Mass Transfer Boundary Layer Thickness of Flat Plate in Laminar Flow

Go Mass Transfer Boundary Layer Thickness at x = Hydrodynamic Boundary Layer Thickness*(Schmidt Number^(-0.333))

Mass Transfer Stanton Number

Go Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity

Average Sherwood Number of Combined Laminar and Turbulent Flow

Go Average Sherwood Number = ((0.037*(Reynolds Number^0.8))-871)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Turbulent Flow

Go Local Sherwood Number = 0.0296*(Local Reynolds Number^0.8)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Laminar Flow

Go Local Sherwood Number = 0.332*(Local Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Internal Turbulent Flow

Go Average Sherwood Number = 0.023*(Reynolds Number^0.83)*(Schmidt Number^0.44)

Sherwood Number for Flat Plate in Laminar Flow

Go Average Sherwood Number = 0.664*(Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Flat Plate Turbulent Flow

Go Average Sherwood Number = 0.037*(Reynolds Number^0.8)

Drag coefficient of flat plate in combined laminar turbulent flow

Go Drag Coefficient = 0.0571/(Reynolds Number^0.2)

Drag coefficient of flat plate laminar flow

Go Drag Coefficient = 0.644/(Reynolds Number^0.5)

Friction factor of flat plate laminar flow given Reynolds number

Go Friction Factor = 2.576/(Reynolds Number^0.5)

Drag coefficient of flat plate laminar flow given friction factor

Go Drag Coefficient = Friction Factor/4

< 17 Mass Transfer Coefficient Calculators

Convective Mass Transfer Coefficient through Liquid Gas Interface

Go Convective Mass Transfer Coefficient = (Mass Transfer Coefficient of Medium 1*Mass Transfer Coefficient of Medium 2*Henry's Constant)/((Mass Transfer Coefficient of Medium 1*Henry's Constant)+(Mass Transfer Coefficient of Medium 2))

Convective Mass Transfer Coefficient

Go 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)

Convective Mass Transfer Coefficient for Simultaneous Heat and Mass Transfer

Go Convective Mass Transfer Coefficient = Heat Transfer Coefficient/(Specific Heat*Density of Liquid*(Lewis Number^0.67))

Heat Transfer Coefficient for Simultaneous Heat and Mass Transfer

Go Heat Transfer Coefficient = Convective Mass Transfer Coefficient*Density of Liquid*Specific Heat*(Lewis Number^0.67)

Convective Mass Transfer Coefficient of Flat Plate in Combined Laminar Turbulent Flow

Go Convective Mass Transfer Coefficient = (0.0286*Free Stream Velocity)/((Reynolds Number^0.2)*(Schmidt Number^0.67))

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Reynolds Number

Go Convective Mass Transfer Coefficient = (Free Stream Velocity*0.322)/((Reynolds Number^0.5)*(Schmidt Number^0.67))

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Drag Coefficient

Go Convective Mass Transfer Coefficient = (Drag Coefficient*Free Stream Velocity)/(2*(Schmidt Number^0.67))

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Friction Factor

Go Convective Mass Transfer Coefficient = (Friction Factor*Free Stream Velocity)/(8*(Schmidt Number^0.67))

Drag Coefficient of Flat Plate Laminar Flow using Schmidt Number

Go Drag Coefficient = (2*Convective Mass Transfer Coefficient*(Schmidt Number^0.67))/Free Stream Velocity

Mass Transfer Boundary Layer Thickness of Flat Plate in Laminar Flow

Go Mass Transfer Boundary Layer Thickness at x = Hydrodynamic Boundary Layer Thickness*(Schmidt Number^(-0.333))

Mass Transfer Stanton Number

Go Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity

Average Sherwood Number of Combined Laminar and Turbulent Flow

Go Average Sherwood Number = ((0.037*(Reynolds Number^0.8))-871)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Turbulent Flow

Go Local Sherwood Number = 0.0296*(Local Reynolds Number^0.8)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Laminar Flow

Go Local Sherwood Number = 0.332*(Local Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Internal Turbulent Flow

Go Average Sherwood Number = 0.023*(Reynolds Number^0.83)*(Schmidt Number^0.44)

Sherwood Number for Flat Plate in Laminar Flow

Go Average Sherwood Number = 0.664*(Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Flat Plate Turbulent Flow

Go Average Sherwood Number = 0.037*(Reynolds Number^0.8)

< 25 Important Formulas in Mass Transfer Coefficient, Driving Force and Theories Calculators

Convective Mass Transfer Coefficient through Liquid Gas Interface

Logarithmic Mean Partial Pressure Difference

Go Logarithmic Mean Partial Pressure Difference = (Partial Pressure of Component B in Mixture 2-Partial Pressure of Component B in Mixture 1)/(ln(Partial Pressure of Component B in Mixture 2/Partial Pressure of Component B in Mixture 1))

Logarithmic Mean of Concentration Difference

Go Logarithmic Mean of Concentration Difference = (Concentration of Component B in Mixture 2-Concentration of Component B in Mixture 1)/ln(Concentration of Component B in Mixture 2/Concentration of Component B in Mixture 1)

Convective Mass Transfer Coefficient

Go 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)

Liquid Phase Mass Transfer Coefficient by Two Film Theory

Go Overall Liquid Phase Mass Transfer Coefficient = 1/((1/(Gas Phase Mass Transfer Coefficient*Henry's Constant))+(1/Liquid Phase Mass Transfer Coefficient))

Convective Mass Transfer Coefficient for Simultaneous Heat and Mass Transfer

Go Convective Mass Transfer Coefficient = Heat Transfer Coefficient/(Specific Heat*Density of Liquid*(Lewis Number^0.67))

Gas Phase Mass Transfer Coefficient by Two Film Theory

Go Overall Gas Phase Mass Transfer Coefficient = 1/((1/Gas Phase Mass Transfer Coefficient)+(Henry's Constant/Liquid Phase Mass Transfer Coefficient))

Heat Transfer Coefficient for Simultaneous Heat and Mass Transfer

Go Heat Transfer Coefficient = Convective Mass Transfer Coefficient*Density of Liquid*Specific Heat*(Lewis Number^0.67)

Average Mass Transfer Coefficient by Penetration Theory

Go Average Convective Mass Transfer Coefficient = 2*sqrt(Diffusion Coefficient (DAB)/(pi*Average Contact Time))

Convective Mass Transfer Coefficient of Flat Plate in Combined Laminar Turbulent Flow

Go Convective Mass Transfer Coefficient = (0.0286*Free Stream Velocity)/((Reynolds Number^0.2)*(Schmidt Number^0.67))

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Reynolds Number

Go Convective Mass Transfer Coefficient = (Free Stream Velocity*0.322)/((Reynolds Number^0.5)*(Schmidt Number^0.67))

Fractional Resistance Offered by Liquid Phase

Go Fractional Resistance Offered by Liquid Phase = (1/Liquid Phase Mass Transfer Coefficient)/(1/Overall Liquid Phase Mass Transfer Coefficient)

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Drag Coefficient

Go Convective Mass Transfer Coefficient = (Drag Coefficient*Free Stream Velocity)/(2*(Schmidt Number^0.67))

Convective Mass Transfer Coefficient of Flat Plate Laminar Flow using Friction Factor

Go Convective Mass Transfer Coefficient = (Friction Factor*Free Stream Velocity)/(8*(Schmidt Number^0.67))

Liquid Phase Mass Transfer Coefficient using Fractional Resistance by Liquid Phase

Go Liquid Phase Mass Transfer Coefficient = Overall Liquid Phase Mass Transfer Coefficient/Fractional Resistance Offered by Liquid Phase

Fractional Resistance Offered by Gas Phase

Go Fractional Resistance Offered by Gas Phase = (1/Gas Phase Mass Transfer Coefficient)/(1/Overall Gas Phase Mass Transfer Coefficient)

Gas Phase Mass Transfer Coefficient using Fractional Resistance by Gas Phase

Go Gas Phase Mass Transfer Coefficient = Overall Gas Phase Mass Transfer Coefficient/Fractional Resistance Offered by Gas Phase

Mass Transfer Boundary Layer Thickness of Flat Plate in Laminar Flow

Go Mass Transfer Boundary Layer Thickness at x = Hydrodynamic Boundary Layer Thickness*(Schmidt Number^(-0.333))

Mass Transfer Stanton Number

Go Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity

Average Sherwood Number of Combined Laminar and Turbulent Flow

Go Average Sherwood Number = ((0.037*(Reynolds Number^0.8))-871)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Turbulent Flow

Go Local Sherwood Number = 0.0296*(Local Reynolds Number^0.8)*(Schmidt Number^0.333)

Local Sherwood Number for Flat Plate in Laminar Flow

Go Local Sherwood Number = 0.332*(Local Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Internal Turbulent Flow

Go Average Sherwood Number = 0.023*(Reynolds Number^0.83)*(Schmidt Number^0.44)

Sherwood Number for Flat Plate in Laminar Flow

Go Average Sherwood Number = 0.664*(Reynolds Number^0.5)*(Schmidt Number^0.333)

Average Sherwood Number of Flat Plate Turbulent Flow

Go Average Sherwood Number = 0.037*(Reynolds Number^0.8)

Mass Transfer Stanton Number Formula

Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity
St_m = k_L/u_∞

What is Stanton number?

The Stanton number, St, is a dimensionless number that measures the ratio of heat transferred into a fluid to the thermal capacity of fluid. The Stanton number contains the heat-transfer information, and can be thought of as a ratio of temperature differences and areas.

How to Calculate Mass Transfer Stanton Number?

Mass Transfer Stanton Number calculator uses Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity to calculate the Mass Transfer Stanton Number, The Mass Transfer Stanton Number formula is defined as the ratio of convective mass transfer coefficient and free stream velocity. Mass Transfer Stanton Number is denoted by St_m symbol.

How to calculate Mass Transfer Stanton Number using this online calculator? To use this online calculator for Mass Transfer Stanton Number, enter Convective Mass Transfer Coefficient (k_L) & Free Stream Velocity (u_∞) and hit the calculate button. Here is how the Mass Transfer Stanton Number calculation can be explained with given input values -> 0.000905 = 0.0095/10.5.

FAQ

What is Mass Transfer Stanton Number?

The Mass Transfer Stanton Number formula is defined as the ratio of convective mass transfer coefficient and free stream velocity and is represented as St_m = k_L/u_∞ or Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity. 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 & Free Stream Velocity is defined as at some distance above the boundary the velocity reaches a constant value that is free stream velocity.

How to calculate Mass Transfer Stanton Number?

The Mass Transfer Stanton Number formula is defined as the ratio of convective mass transfer coefficient and free stream velocity is calculated using Mass Transfer Stanton Number = Convective Mass Transfer Coefficient/Free Stream Velocity. To calculate Mass Transfer Stanton Number, you need Convective Mass Transfer Coefficient (k_L) & Free Stream Velocity (u_∞). With our tool, you need to enter the respective value for Convective Mass Transfer Coefficient & Free Stream Velocity and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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