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The Drying Surface Area is the total area in the drying mass transfer operation i.e. exposed in contact with the drying medium. Check FAQs
A=WS⋅Xi(Constant)-Xctc⋅Nc
A - Drying Surface Area?WS - Dry Weight of Solid?Xi(Constant) - Initial Moisture Content for Constant Rate Period?Xc - Critical Moisture Content?tc - Constant Rate Drying Time?Nc - Rate of Constant Drying Period?

Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period Example

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Here is how the Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period equation looks like with Values.

Here is how the Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period equation looks like with Units.

Here is how the Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period equation looks like.

0.1Edit=100Edit⋅0.49Edit-0.11Edit190Edit⋅2Edit
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HomeIcon Home » Category Engineering » Category Chemical Engineering » Category Mass Transfer Operations » fx Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period

Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period Solution

Follow our step by step solution on how to calculate Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period?

FIRST Step Consider the formula
A=WS⋅Xi(Constant)-Xctc⋅Nc
Next Step Substitute values of Variables
∴ A=100kg⋅0.49-0.11190s⋅2kg/s/m²
Next Step Prepare to Evaluate
∴ A=100⋅0.49-0.11190⋅2
LAST Step Evaluate
∴A=0.1m²

Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period Formula Elements

Variables
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: m²
Note: Value should be greater than 0.
Formulas to find Drying Surface AreaOpen Variable
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.
Formulas to find Dry Weight of SolidOpen Variable
Initial Moisture Content for Constant Rate Period
The Initial Moisture Content for Constant 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(Constant)
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Formulas to find Initial Moisture Content for Constant Rate PeriodOpen Variable
Critical Moisture Content
The Critical Moisture Content is the ratio of amount of moisture present in the solids at the transition of constant and falling rate period to that of the weight of dry solid.
Symbol: Xc
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Formulas to find Critical Moisture ContentOpen Variable
Constant Rate Drying Time
The Constant Rate Drying Time is the time taken for drying operation in the constant rate period.
Symbol: tc
Measurement: TimeUnit: s
Note: Value should be greater than 0.
Formulas to find Constant Rate Drying TimeOpen Variable
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.
Formulas to find Rate of Constant Drying PeriodOpen Variable

Other Formulas to find Drying Surface Area

​Go Drying Surface Area based on Initial to Critical Weight of Moisture for Constant Rate Period
A=Mi(Constant)-Mctc⋅Nc
​Go Drying Surface Area based on Initial to Final Moisture Content for Constant Rate Period
A=WS⋅Xi(Constant)-Xf(Constant)tc⋅Nc
​Go Drying Surface Area based on Initial to Final Weight of Moisture for Constant Rate Period
A=Mi(Constant)-Mf(Constant)tc⋅Nc
​Go Drying Surface Area based on Critical to Final Moisture Content for Falling Rate Period
A=(WStf)⋅(Xc-XEqNc)⋅(ln(Xc-XEqXf(Falling)-XEq))

Other formulas in Drying from Initial to Critical 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)(A⋅Nc)
​Go Constant Drying Time from Initial to Critical Weight of Moisture
tc=Mi(Constant)-McA⋅Nc
​Go Critical Moisture Content based on Initial Moisture Content for Constant Rate Period
Xc=Xi(Constant)-(A⋅tc⋅NcWS)

How to Evaluate Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period?

Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period evaluator uses Drying Surface Area = Dry Weight of Solid*(Initial Moisture Content for Constant Rate Period-Critical Moisture Content)/(Constant Rate Drying Time*Rate of Constant Drying Period) to evaluate the Drying Surface Area, The Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period formula is defined as the drying surface required to attain the drying from initial to critical moisture content in the Constant Rate Drying Period. Drying Surface Area is denoted by A symbol.

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

FAQs on Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period

What is the formula to find Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period?
The formula of Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period is expressed as Drying Surface Area = Dry Weight of Solid*(Initial Moisture Content for Constant Rate Period-Critical Moisture Content)/(Constant Rate Drying Time*Rate of Constant Drying Period). Here is an example- 0.1 = 100*(0.49-0.11)/(190*2).
How to calculate Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period?
With Dry Weight of Solid (WS), Initial Moisture Content for Constant Rate Period (Xi(Constant)), Critical Moisture Content (Xc), Constant Rate Drying Time (tc) & Rate of Constant Drying Period (Nc) we can find Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period using the formula - Drying Surface Area = Dry Weight of Solid*(Initial Moisture Content for Constant Rate Period-Critical Moisture Content)/(Constant Rate Drying Time*Rate of Constant Drying Period).
What are the other ways to Calculate Drying Surface Area?
Here are the different ways to Calculate Drying Surface Area-
  • Drying Surface Area=(Initial Weight of Moisture for Constant Rate-Critical Weight of Moisture)/(Constant Rate Drying Time*Rate of Constant Drying Period)OpenImg
  • Drying Surface Area=Dry Weight of Solid*(Initial Moisture Content for Constant Rate Period-Final Moisture Content for Constant Rate Period)/(Constant Rate Drying Time*Rate of Constant Drying Period)OpenImg
  • Drying Surface Area=(Initial Weight of Moisture for Constant Rate-Final Weight of Moisture for Constant Rate Period)/(Constant Rate Drying Time*Rate of Constant Drying Period)OpenImg
Can the Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period be negative?
No, the Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period, measured in Area cannot be negative.
Which unit is used to measure Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period?
Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period is usually measured using the Square Meter[m²] for Area. Square Kilometer[m²], Square Centimeter[m²], Square Millimeter[m²] are the few other units in which Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period can be measured.
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