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Rate of Constant Drying Period based on Critical Moisture Content Formula

GoRate of Constant Drying Period based on Final Moisture Content Formula

GoRate of Constant Drying Period based on Critical to Final Moisture Content for Falling Rate Period Formula

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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

N c = W S \cdot \frac{X i(Constant) - X c}{A \cdot t c}

N_c - Rate of Constant Drying Period?W_S - Dry Weight of Solid?X_i(Constant) - Initial Moisture Content for Constant Rate Period?X_c - Critical Moisture Content?A - Drying Surface Area?t_c - Constant Rate Drying Time?

Rate of Constant Drying Period based on Critical Moisture Content Example

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

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

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

2 = 100 \cdot \frac{0.49 - 0.11}{0.1 \cdot 190}

2kg/s/m² = 100kg \cdot \frac{0.49 - 0.11}{0.1m² \cdot 190s}

2 = 100 \cdot \frac{0.49 - 0.11}{0.1 \cdot 190}

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Rate of Constant Drying Period based on Critical Moisture Content Solution

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

FIRST Step Consider the formula

N c = W S \cdot \frac{X i(Constant) - X c}{A \cdot t c}

Next Step Substitute values of Variables

∴

N c = 100kg \cdot \frac{0.49 - 0.11}{0.1m² \cdot 190s}

Next Step Prepare to Evaluate

∴

N c = 100 \cdot \frac{0.49 - 0.11}{0.1 \cdot 190}

LAST Step Evaluate

∴

N c = 2kg/s/m²

Rate of Constant Drying Period based on Critical Moisture Content 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: N_c

Measurement: Mass FluxUnit: kg/s/m²

Note: Value should be greater than 0.

Formulas to find Rate of Constant Drying Period

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: W_S

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Dry Weight of Solid

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: X_i(Constant)

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Initial Moisture Content for Constant Rate Period

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: X_c

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Critical Moisture Content

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 Area

Constant Rate Drying Time

The Constant Rate Drying Time is the time taken for drying operation in the constant rate period.

Symbol: t_c

Measurement: TimeUnit: s

Note: Value should be greater than 0.

Formulas to find Constant Rate Drying Time

Other Formulas to find Rate of Constant Drying Period

Go Rate of Constant Drying Period based on Final Moisture Content

N c = W S \cdot \frac{X i(Constant) - X f(Constant)}{A \cdot t c}

Go Rate of Constant Drying Period based on Critical to Final Moisture Content for Falling Rate Period

N c = (\frac{W S}{t f}) \cdot (\frac{X c - X Eq}{A}) \cdot (\ln (\frac{X c - X Eq}{X f(Falling) - X Eq}))

Go Rate of Constant Drying Period based on Critical to Final Weight of Moisture for Falling Rate Period

N c = (\frac{M c - M Eq}{t f \cdot A}) \cdot (\ln (\frac{M c - M Eq}{M f(Falling) - M Eq}))

Go Rate of Constant Drying Period based on Initial to Final Moisture Content for Falling Rate Period

N c = (\frac{W S}{t f}) \cdot (\frac{X i(Falling) - X Eq}{A}) \cdot (\ln (\frac{X i(Falling) - X Eq}{X f(Falling) - X Eq}))

Other formulas in Drying from Initial to Critical Moisture category

Go Total Drying Time based on Constant Drying Time and Falling Drying Time

t = t c + t f

Go Constant Drying Time from Initial to Critical Moisture Content

t c = W S \cdot \frac{(X i(Constant) - X c)}{(A \cdot N c)}

Go Constant Drying Time from Initial to Critical Weight of Moisture

t c = \frac{M i(Constant) - M c}{A \cdot N c}

Go Critical Moisture Content based on Initial Moisture Content for Constant Rate Period

X c = X i(Constant) - (\frac{A \cdot t c \cdot N c}{W S})

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

Rate of Constant Drying Period based on Critical Moisture Content evaluator uses 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) to evaluate the Rate of Constant Drying Period, The Rate of Constant Drying Period based on Critical Moisture Content formula is defined as the rate of drying in the constant drying period based on the specific drying conditions for drying from initial to critical moisture operation. Rate of Constant Drying Period is denoted by N_c symbol.

How to evaluate Rate of Constant Drying Period based on Critical Moisture Content using this online evaluator? To use this online evaluator for Rate of Constant Drying Period based on Critical Moisture Content, enter Dry Weight of Solid (W_S), Initial Moisture Content for Constant Rate Period (X_i(Constant)), Critical Moisture Content (X_c), Drying Surface Area (A) & Constant Rate Drying Time (t_c) and hit the calculate button.

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

What is the formula to find Rate of Constant Drying Period based on Critical Moisture Content?

The formula of Rate of Constant Drying Period based on Critical Moisture Content is expressed as 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). Here is an example- 2 = 100*(0.49-0.11)/(0.1*190).

How to calculate Rate of Constant Drying Period based on Critical Moisture Content?

With Dry Weight of Solid (W_S), Initial Moisture Content for Constant Rate Period (X_i(Constant)), Critical Moisture Content (X_c), Drying Surface Area (A) & Constant Rate Drying Time (t_c) we can find Rate of Constant Drying Period based on Critical Moisture Content using the formula - 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).

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-Final Moisture Content for Constant Rate Period)/(Drying Surface Area*Constant Rate Drying Time)
Rate of Constant Drying Period=(Dry Weight of Solid/Falling Rate Drying Time)*((Critical Moisture Content-Equilibrium Moisture Content)/Drying Surface Area)*(ln((Critical Moisture Content-Equilibrium Moisture Content)/(Final Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))
Rate of Constant Drying Period=((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Falling Rate Drying Time*Drying Surface Area))*(ln((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Final Weight of Moisture for Falling Rate Period-Equilibrium Weight of Moisture)))

Can the Rate of Constant Drying Period based on Critical Moisture Content be negative?

No, the Rate of Constant Drying Period based on Critical Moisture Content, measured in Mass Flux cannot be negative.

Which unit is used to measure Rate of Constant Drying Period based on Critical Moisture Content?

Rate of Constant Drying Period based on Critical Moisture Content 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 Moisture Content can be measured.

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Rate of Constant Drying Period based on Critical Moisture Content Formula

​GoRate of Constant Drying Period based on Final Moisture Content Formula

​GoRate of Constant Drying Period based on Critical to Final Moisture Content for Falling Rate Period Formula

Rate of Constant Drying Period based on Critical Moisture Content Example

Rate of Constant Drying Period based on Critical Moisture Content Solution

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

Other Formulas to find Rate of Constant Drying Period

Other formulas in Drying from Initial to Critical Moisture category

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

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

Variable Name

GoRate of Constant Drying Period based on Final Moisture Content Formula

GoRate of Constant Drying Period based on Critical to Final Moisture Content for Falling Rate Period Formula