Log Mean Driving Force Based on Mole Fraction Calculator

✖Solute Gas Mole Fraction represents the mole fraction of the solute gas in the bottom of the column.ⓘ Solute Gas Mole Fraction [y₁]			+10% -10%
✖Solute Gas Mole Fraction at Top represents the mole fraction of the solute gas in the top most section of column.ⓘ Solute Gas Mole Fraction at Top [y₂]			+10% -10%
✖Gas Concentration at Equilibrium represents the mole fraction of solute gas that could be in equilibrium with the liquid concentration at any point.ⓘ Gas Concentration at Equilibrium [y_e]			+10% -10%

✖Log Mean Driving Force represents the effective driving force for mass transfer in these processes.ⓘ Log Mean Driving Force Based on Mole Fraction [Δy_lm]

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Log Mean Driving Force Based on Mole Fraction Solution

STEP 0: Pre-Calculation Summary

Formula Used

Log Mean Driving Force = (Solute Gas Mole Fraction-Solute Gas Mole Fraction at Top)/(ln((Solute Gas Mole Fraction-Gas Concentration at Equilibrium)/(Solute Gas Mole Fraction at Top-Gas Concentration at Equilibrium)))
Δy_lm = (y₁-y₂)/(ln((y₁-y_e)/(y₂-y_e)))
This formula uses 1 Functions, 4 Variables

Functions Used

ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)

Variables Used

Log Mean Driving Force - Log Mean Driving Force represents the effective driving force for mass transfer in these processes.
Solute Gas Mole Fraction - Solute Gas Mole Fraction represents the mole fraction of the solute gas in the bottom of the column.
Solute Gas Mole Fraction at Top - Solute Gas Mole Fraction at Top represents the mole fraction of the solute gas in the top most section of column.
Gas Concentration at Equilibrium - Gas Concentration at Equilibrium represents the mole fraction of solute gas that could be in equilibrium with the liquid concentration at any point.

STEP 1: Convert Input(s) to Base Unit

Solute Gas Mole Fraction: 0.64 --> No Conversion Required
Solute Gas Mole Fraction at Top: 0.32 --> No Conversion Required
Gas Concentration at Equilibrium: 0.27 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Δy_lm = (y₁-y₂)/(ln((y₁-y_e)/(y₂-y_e))) --> (0.64-0.32)/(ln((0.64-0.27)/(0.32-0.27)))

Evaluating ... ...

Δy_lm = 0.159881687534427

STEP 3: Convert Result to Output's Unit

0.159881687534427 --> No Conversion Required

FINAL ANSWER

0.159881687534427 ≈ 0.159882 <-- Log Mean Driving Force

(Calculation completed in 00.004 seconds)

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Created by Rishi Vadodaria

Malviya National Institute Of Technology (MNIT JAIPUR ), JAIPUR

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University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA

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Log Mean Driving Force Based on Mole Fraction

LaTeX Go Log Mean Driving Force = (Solute Gas Mole Fraction-Solute Gas Mole Fraction at Top)/(ln((Solute Gas Mole Fraction-Gas Concentration at Equilibrium)/(Solute Gas Mole Fraction at Top-Gas Concentration at Equilibrium)))

Height of Overall Gas Phase Transfer Unit in Packed Column

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Log Mean Driving Force Based on Mole Fraction Formula

LaTeX Go

What is Log Mean Driving Force?

The Log Mean Driving Force (LMDF) is a concept used in the design and analysis of absorption and distillation columns. It represents the effective driving force for mass transfer in these processes. In absorption, it's used to calculate the concentration difference between the gas and liquid phases, which drives the transfer of solute from the gas phase to the liquid phase.

How to Calculate Log Mean Driving Force Based on Mole Fraction?

Log Mean Driving Force Based on Mole Fraction calculator uses Log Mean Driving Force = (Solute Gas Mole Fraction-Solute Gas Mole Fraction at Top)/(ln((Solute Gas Mole Fraction-Gas Concentration at Equilibrium)/(Solute Gas Mole Fraction at Top-Gas Concentration at Equilibrium))) to calculate the Log Mean Driving Force, The Log Mean Driving Force Based on Mole Fraction formula is an effective means to quantify the driving force for mass transfer in the absorption column. Log Mean Driving Force is denoted by Δy_lm symbol.

How to calculate Log Mean Driving Force Based on Mole Fraction using this online calculator? To use this online calculator for Log Mean Driving Force Based on Mole Fraction, enter Solute Gas Mole Fraction (y₁), Solute Gas Mole Fraction at Top (y₂) & Gas Concentration at Equilibrium (y_e) and hit the calculate button. Here is how the Log Mean Driving Force Based on Mole Fraction calculation can be explained with given input values -> 0.159882 = (0.64-0.32)/(ln((0.64-0.27)/(0.32-0.27))).

FAQ

What is Log Mean Driving Force Based on Mole Fraction?

The Log Mean Driving Force Based on Mole Fraction formula is an effective means to quantify the driving force for mass transfer in the absorption column and is represented as Δy_lm = (y₁-y₂)/(ln((y₁-y_e)/(y₂-y_e))) or Log Mean Driving Force = (Solute Gas Mole Fraction-Solute Gas Mole Fraction at Top)/(ln((Solute Gas Mole Fraction-Gas Concentration at Equilibrium)/(Solute Gas Mole Fraction at Top-Gas Concentration at Equilibrium))). Solute Gas Mole Fraction represents the mole fraction of the solute gas in the bottom of the column, Solute Gas Mole Fraction at Top represents the mole fraction of the solute gas in the top most section of column & Gas Concentration at Equilibrium represents the mole fraction of solute gas that could be in equilibrium with the liquid concentration at any point.

How to calculate Log Mean Driving Force Based on Mole Fraction?

The Log Mean Driving Force Based on Mole Fraction formula is an effective means to quantify the driving force for mass transfer in the absorption column is calculated using Log Mean Driving Force = (Solute Gas Mole Fraction-Solute Gas Mole Fraction at Top)/(ln((Solute Gas Mole Fraction-Gas Concentration at Equilibrium)/(Solute Gas Mole Fraction at Top-Gas Concentration at Equilibrium))). To calculate Log Mean Driving Force Based on Mole Fraction, you need Solute Gas Mole Fraction (y₁), Solute Gas Mole Fraction at Top (y₂) & Gas Concentration at Equilibrium (y_e). With our tool, you need to enter the respective value for Solute Gas Mole Fraction, Solute Gas Mole Fraction at Top & Gas Concentration at Equilibrium 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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