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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. Check FAQs
Nc=Mi(Constant)-McAtc
Nc - Rate of Constant Drying Period?Mi(Constant) - Initial Weight of Moisture for Constant Rate?Mc - Critical Weight of Moisture?A - Drying Surface Area?tc - Constant Rate Drying Time?

Rate of Constant Drying Period based on Critical Weight of Moisture Example

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Here is how the Rate of Constant Drying Period based on Critical Weight of Moisture equation looks like with Values.

Here is how the Rate of Constant Drying Period based on Critical Weight of Moisture equation looks like with Units.

Here is how the Rate of Constant Drying Period based on Critical Weight of Moisture equation looks like.

2Edit=49Edit-11Edit0.1Edit190Edit
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Rate of Constant Drying Period based on Critical Weight of Moisture Solution

Follow our step by step solution on how to calculate Rate of Constant Drying Period based on Critical Weight of Moisture?

FIRST Step Consider the formula
Nc=Mi(Constant)-McAtc
Next Step Substitute values of Variables
Nc=49kg-11kg0.1190s
Next Step Prepare to Evaluate
Nc=49-110.1190
LAST Step Evaluate
Nc=2kg/s/m²

Rate of Constant Drying Period based on Critical Weight of Moisture Formula Elements

Variables
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.
Initial Weight of Moisture for Constant Rate
The Initial Weight of Moisture for Constant Rate Period is the amount of moisture in kg present in the wet solid initially for drying operation.
Symbol: Mi(Constant)
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
Critical Weight of Moisture
The Critical Weight of Moisture is the amount of moisture present in the solid at which the constant rate drying period ends and the falling period starts at the given conditions.
Symbol: Mc
Measurement: WeightUnit: kg
Note: Value should be greater than 0.
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.
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.

Other Formulas to find Rate of Constant Drying Period

​Go Rate of Constant Drying Period based on Critical Moisture Content
Nc=WSXi(Constant)-XcAtc

Other formulas in Drying from Initial to Critical Moisture category

​Go Constant Drying Time from Initial to Critical Moisture Content
tc=WS(Xi(Constant)-Xc)(ANc)
​Go Constant Drying Time from Initial to Critical Weight of Moisture
tc=Mi(Constant)-McANc
​Go Drying Surface Area based on Initial to Critical Moisture Content for Constant Rate Period
A=WSXi(Constant)-XctcNc
​Go Drying Surface Area based on Initial to Critical Weight of Moisture for Constant Rate Period
A=Mi(Constant)-MctcNc

How to Evaluate Rate of Constant Drying Period based on Critical Weight of Moisture?

Rate of Constant Drying Period based on Critical Weight of Moisture evaluator uses Rate of Constant Drying Period = (Initial Weight of Moisture for Constant Rate-Critical Weight of Moisture)/(Drying Surface Area*Constant Rate Drying Time) to evaluate the Rate of Constant Drying Period, The Rate of Constant Drying Period based on Critical Weight of Moisture formula is defined as the rate of drying in the constant rate period based on the specific drying conditions for drying from initial to critical weight of moisture. Rate of Constant Drying Period is denoted by Nc symbol.

How to evaluate Rate of Constant Drying Period based on Critical Weight of Moisture using this online evaluator? To use this online evaluator for Rate of Constant Drying Period based on Critical Weight of Moisture, enter Initial Weight of Moisture for Constant Rate (Mi(Constant)), Critical Weight of Moisture (Mc), Drying Surface Area (A) & Constant Rate Drying Time (tc) and hit the calculate button.

FAQs on Rate of Constant Drying Period based on Critical Weight of Moisture

What is the formula to find Rate of Constant Drying Period based on Critical Weight of Moisture?
The formula of Rate of Constant Drying Period based on Critical Weight of Moisture is expressed as Rate of Constant Drying Period = (Initial Weight of Moisture for Constant Rate-Critical Weight of Moisture)/(Drying Surface Area*Constant Rate Drying Time). Here is an example- 2 = (49-11)/(0.1*190).
How to calculate Rate of Constant Drying Period based on Critical Weight of Moisture?
With Initial Weight of Moisture for Constant Rate (Mi(Constant)), Critical Weight of Moisture (Mc), Drying Surface Area (A) & Constant Rate Drying Time (tc) we can find Rate of Constant Drying Period based on Critical Weight of Moisture using the formula - Rate of Constant Drying Period = (Initial Weight of Moisture for Constant Rate-Critical Weight of Moisture)/(Drying Surface Area*Constant Rate Drying Time).
What are the other ways to Calculate Rate of Constant Drying Period?
Here are the different ways to Calculate Rate of Constant Drying Period-
  • Rate of Constant Drying Period=Dry Weight of Solid*(Initial Moisture Content for Constant Rate Period-Critical Moisture Content)/(Drying Surface Area*Constant Rate Drying Time)OpenImg
Can the Rate of Constant Drying Period based on Critical Weight of Moisture be negative?
No, the Rate of Constant Drying Period based on Critical Weight of Moisture, measured in Mass Flux cannot be negative.
Which unit is used to measure Rate of Constant Drying Period based on Critical Weight of Moisture?
Rate of Constant Drying Period based on Critical Weight of Moisture is usually measured using the Kilogram per Second per Square Meter[kg/s/m²] for Mass Flux. Kilogram per Hour per Square Meter[kg/s/m²], Kilogram per Hour per Square Foot[kg/s/m²], Pound per Hour per Square Foot[kg/s/m²] are the few other units in which Rate of Constant Drying Period based on Critical Weight of Moisture can be measured.
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