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The Final Moisture Content for Falling Rate Period is defined as the ratio of the weight of moisture to the weight of dry solid present after the completion of the drying process. Check FAQs
Xf(Falling)=(Xi(Falling)-XEqexp(AtfNcWS(Xi(Falling)-XEq)))+XEq
Xf(Falling) - Final Moisture Content for Falling Rate Period?Xi(Falling) - Initial Moisture Content for Falling Rate Period?XEq - Equilibrium Moisture Content?A - Drying Surface Area?tf - Falling Rate Drying Time?Nc - Rate of Constant Drying Period?WS - Dry Weight of Solid?

Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period Example

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Here is how the Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period equation looks like with Values.

Here is how the Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period equation looks like with Units.

Here is how the Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period equation looks like.

0.0614Edit=(0.1Edit-0.05Editexp(0.1Edit37Edit2Edit100Edit(0.1Edit-0.05Edit)))+0.05Edit
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Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period Solution

Follow our step by step solution on how to calculate Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period?

FIRST Step Consider the formula
Xf(Falling)=(Xi(Falling)-XEqexp(AtfNcWS(Xi(Falling)-XEq)))+XEq
Next Step Substitute values of Variables
Xf(Falling)=(0.1-0.05exp(0.137s2kg/s/m²100kg(0.1-0.05)))+0.05
Next Step Prepare to Evaluate
Xf(Falling)=(0.1-0.05exp(0.1372100(0.1-0.05)))+0.05
Next Step Evaluate
Xf(Falling)=0.0613818844191906
LAST Step Rounding Answer
Xf(Falling)=0.0614

Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period Formula Elements

Variables
Functions
Final Moisture Content for Falling Rate Period
The Final Moisture Content for Falling Rate Period is defined as the ratio of the weight of moisture to the weight of dry solid present after the completion of the drying process.
Symbol: Xf(Falling)
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Initial Moisture Content for Falling Rate Period
The Initial Moisture Content for Falling Rate Period is defined as the ratio of the weight of moisture to the weight of dry solid present initially in the wet solid for drying operation.
Symbol: Xi(Falling)
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Equilibrium Moisture Content
The Equilibrium Moisture Content is defined as the ratio of the weight of moisture in equilibrium with the solid to the weight of dry solid.
Symbol: XEq
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Drying Surface Area
The Drying Surface Area is the total area in the drying mass transfer operation i.e. exposed in contact with the drying medium.
Symbol: A
Measurement: AreaUnit:
Note: Value should be greater than 0.
Falling Rate Drying Time
The Falling rate drying time is the time taken for drying operation in the falling rate period.
Symbol: tf
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Rate of Constant Drying Period
The Rate of Constant Drying Period is the rate of drying that takes place for a given set of drying conditions in the constant rate period.
Symbol: Nc
Measurement: Mass FluxUnit: kg/s/m²
Note: Value should be greater than 0.
Dry Weight of Solid
The Dry Weight of Solid is the weight of dry solid present in the system in the drying mass transfer operation.
Symbol: WS
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
exp
n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable.
Syntax: exp(Number)

Other Formulas to find Final Moisture Content for Falling Rate Period

​Go Final Moisture Content based on Critical to Final Moisture Content for Falling Rate Period
Xf(Falling)=(Xc-XEqexp(AtfNcWS(Xc-XEq)))+XEq

Other formulas in Drying from Initial to Final Moisture category

​Go Total Drying Time based on Constant Drying Time and Falling Drying Time
t=tc+tf
​Go Constant Drying Time from Initial to Critical Moisture Content
tc=WS(Xi(Constant)-Xc)(ANc)

How to Evaluate Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period?

Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period evaluator uses Final Moisture Content for Falling Rate Period = ((Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Dry Weight of Solid*(Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))))+Equilibrium Moisture Content to evaluate the Final Moisture Content for Falling Rate Period, The Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period formula is defined as the final moisture content that can be attained from the specified initial moisture content based on the drying conditions in falling rate period. Final Moisture Content for Falling Rate Period is denoted by Xf(Falling) symbol.

How to evaluate Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period using this online evaluator? To use this online evaluator for Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period, enter Initial Moisture Content for Falling Rate Period (Xi(Falling)), Equilibrium Moisture Content (XEq), Drying Surface Area (A), Falling Rate Drying Time (tf), Rate of Constant Drying Period (Nc) & Dry Weight of Solid (WS) and hit the calculate button.

FAQs on Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period

What is the formula to find Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period?
The formula of Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period is expressed as Final Moisture Content for Falling Rate Period = ((Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Dry Weight of Solid*(Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))))+Equilibrium Moisture Content. Here is an example- 0.061382 = ((0.1-0.05)/(exp((0.1*37*2)/(100*(0.1-0.05)))))+0.05.
How to calculate Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period?
With Initial Moisture Content for Falling Rate Period (Xi(Falling)), Equilibrium Moisture Content (XEq), Drying Surface Area (A), Falling Rate Drying Time (tf), Rate of Constant Drying Period (Nc) & Dry Weight of Solid (WS) we can find Final Moisture Content based on Initial to Final Moisture Content for Falling Rate Period using the formula - Final Moisture Content for Falling Rate Period = ((Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Dry Weight of Solid*(Initial Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))))+Equilibrium Moisture Content. This formula also uses Exponential Growth (exp) function(s).
What are the other ways to Calculate Final Moisture Content for Falling Rate Period?
Here are the different ways to Calculate Final Moisture Content for Falling Rate Period-
  • Final Moisture Content for Falling Rate Period=((Critical Moisture Content-Equilibrium Moisture Content)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Dry Weight of Solid*(Critical Moisture Content-Equilibrium Moisture Content)))))+Equilibrium Moisture ContentOpenImg
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