Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period Solution

STEP 0: Pre-Calculation Summary
Formula Used
Final Weight of Moisture for Falling Rate Period = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Critical Weight of Moisture-Equilibrium Weight of Moisture))))+Equilibrium Weight of Moisture
Mf(Falling) = ((Mc-MEq)/(exp((A*tf*Nc)/(Mc-MEq))))+MEq
This formula uses 1 Functions, 6 Variables
Functions Used
exp - n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable., exp(Number)
Variables Used
Final Weight of Moisture for Falling Rate Period - (Measured in Kilogram) - The Final Weight of Moisture for Falling Rate Period is the amount of moisture in kg present in the solid after the completion of drying operation.
Critical Weight of Moisture - (Measured in Kilogram) - 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.
Equilibrium Weight of Moisture - (Measured in Kilogram) - The Equilibrium Weight of Moisture is the amount of moisture in kg present in the solid that is in equilibrium with the solid for the given drying conditions.
Drying Surface Area - (Measured in Square Meter) - The Drying Surface Area is the total area in the drying mass transfer operation i.e. exposed in contact with the drying medium.
Falling Rate Drying Time - (Measured in Second) - The Falling rate drying time is the time taken for drying operation in the falling rate period.
Rate of Constant Drying Period - (Measured in Kilogram per Second per Square Meter) - 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.
STEP 1: Convert Input(s) to Base Unit
Critical Weight of Moisture: 11 Kilogram --> 11 Kilogram No Conversion Required
Equilibrium Weight of Moisture: 5 Kilogram --> 5 Kilogram No Conversion Required
Drying Surface Area: 0.1 Square Meter --> 0.1 Square Meter No Conversion Required
Falling Rate Drying Time: 37 Second --> 37 Second No Conversion Required
Rate of Constant Drying Period: 2 Kilogram per Second per Square Meter --> 2 Kilogram per Second per Square Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Mf(Falling) = ((Mc-MEq)/(exp((A*tf*Nc)/(Mc-MEq))))+MEq --> ((11-5)/(exp((0.1*37*2)/(11-5))))+5
Evaluating ... ...
Mf(Falling) = 6.74791934680083
STEP 3: Convert Result to Output's Unit
6.74791934680083 Kilogram --> No Conversion Required
FINAL ANSWER
6.74791934680083 6.747919 Kilogram <-- Final Weight of Moisture for Falling Rate Period
(Calculation completed in 00.020 seconds)

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DJ Sanghvi College of Engineering (DJSCE), Mumbai
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Drying from Critical to Final Moisture Calculators

Drying Surface Area based on Critical to Final Moisture Content for Falling Rate Period
​ LaTeX ​ Go Drying Surface Area = (Dry Weight of Solid/Falling Rate Drying Time)*((Critical Moisture Content-Equilibrium Moisture Content)/Rate of Constant Drying Period)*(ln((Critical Moisture Content-Equilibrium Moisture Content)/(Final Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))
Falling Rate Drying Time from Critical to Final Moisture
​ LaTeX ​ Go Falling Rate Drying Time = (Dry Weight of Solid/Drying Surface Area)*((Critical Moisture Content-Equilibrium Moisture Content)/Rate of Constant Drying Period)*(ln((Critical Moisture Content-Equilibrium Moisture Content)/(Final Moisture Content for Falling Rate Period-Equilibrium Moisture Content)))
Drying Surface Area based on Critical to Final Weight of Moisture for Falling Rate Period
​ LaTeX ​ Go Drying Surface Area = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Falling Rate Drying Time*Rate of Constant Drying Period))*(ln((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Final Weight of Moisture for Falling Rate Period-Equilibrium Weight of Moisture)))
Falling Rate Drying Time from Critical to Final Weight of Moisture
​ LaTeX ​ Go Falling Rate Drying Time = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Drying Surface Area*Rate of Constant Drying Period))*(ln((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(Final Weight of Moisture for Falling Rate Period-Equilibrium Weight of Moisture)))

Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period Formula

​LaTeX ​Go
Final Weight of Moisture for Falling Rate Period = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Critical Weight of Moisture-Equilibrium Weight of Moisture))))+Equilibrium Weight of Moisture
Mf(Falling) = ((Mc-MEq)/(exp((A*tf*Nc)/(Mc-MEq))))+MEq

What is Falling Rate Period Drying?

The falling rate drying period is a stage in the drying process where the rate of moisture removal from the material decreases over time as the internal moisture content of the material is reduced. During this period, the drying rate is typically controlled by the rate of moisture diffusion within the material, which is slower than the rate of heat and mass transfer at the surface of the material. In this stage, the moisture content of the material decreases more slowly than during the constant rate drying period, as the remaining moisture is located deeper within the material and must diffuse to the surface before it can be removed. The length of the falling rate period depends on the properties of the material being dried, such as its porosity, particle size, and moisture distribution.

How to Calculate Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period?

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

How to calculate Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period using this online calculator? To use this online calculator for Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period, enter Critical Weight of Moisture (Mc), Equilibrium Weight of Moisture (MEq), Drying Surface Area (A), Falling Rate Drying Time (tf) & Rate of Constant Drying Period (Nc) and hit the calculate button. Here is how the Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period calculation can be explained with given input values -> 6.747919 = ((11-5)/(exp((0.1*37*2)/(11-5))))+5.

FAQ

What is Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period?
The Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period formula is defined as the final moisture content that can be attained from the specified critical moisture content based on the drying conditions in falling rate period and is represented as Mf(Falling) = ((Mc-MEq)/(exp((A*tf*Nc)/(Mc-MEq))))+MEq or Final Weight of Moisture for Falling Rate Period = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Critical Weight of Moisture-Equilibrium Weight of Moisture))))+Equilibrium 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, The Equilibrium Weight of Moisture is the amount of moisture in kg present in the solid that is in equilibrium with the solid for the given drying conditions, The Drying Surface Area is the total area in the drying mass transfer operation i.e. exposed in contact with the drying medium, The Falling rate drying time is the time taken for drying operation in the falling rate 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.
How to calculate Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period?
The Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period formula is defined as the final moisture content that can be attained from the specified critical moisture content based on the drying conditions in falling rate period is calculated using Final Weight of Moisture for Falling Rate Period = ((Critical Weight of Moisture-Equilibrium Weight of Moisture)/(exp((Drying Surface Area*Falling Rate Drying Time*Rate of Constant Drying Period)/(Critical Weight of Moisture-Equilibrium Weight of Moisture))))+Equilibrium Weight of Moisture. To calculate Final Weight of Moisture based on Critical to Final Weight of Moisture for Falling Rate Period, you need Critical Weight of Moisture (Mc), Equilibrium Weight of Moisture (MEq), Drying Surface Area (A), Falling Rate Drying Time (tf) & Rate of Constant Drying Period (Nc). With our tool, you need to enter the respective value for Critical Weight of Moisture, Equilibrium Weight of Moisture, Drying Surface Area, Falling Rate Drying Time & Rate of Constant Drying Period 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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