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Column Diameter refers to the diameter of the column wherein the mass transfer or any other unit operations takes place. Check FAQs
Dc=4VWπρVUv
Dc - Column Diameter?VW - Vapor Mass Flowrate?ρV - Vapor Density in Distillation?Uv - Maximum Allowable Vapor Velocity?π - Archimedes' constant?

Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity Example

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With units
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Here is how the Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity equation looks like with Values.

Here is how the Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity equation looks like with Units.

Here is how the Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity equation looks like.

1.6555Edit=44.157Edit3.14161.71Edit1.1293Edit
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Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity Solution

Follow our step by step solution on how to calculate Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity?

FIRST Step Consider the formula
Dc=4VWπρVUv
Next Step Substitute values of Variables
Dc=44.157kg/sπ1.71kg/m³1.1293m/s
Next Step Substitute values of Constants
Dc=44.157kg/s3.14161.71kg/m³1.1293m/s
Next Step Prepare to Evaluate
Dc=44.1573.14161.711.1293
Next Step Evaluate
Dc=1.65553201910082m
LAST Step Rounding Answer
Dc=1.6555m

Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity Formula Elements

Variables
Constants
Functions
Column Diameter
Column Diameter refers to the diameter of the column wherein the mass transfer or any other unit operations takes place.
Symbol: Dc
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Vapor Mass Flowrate
Vapor Mass Flowrate is the mass flow rate of vapor component in column.
Symbol: VW
Measurement: Mass Flow RateUnit: kg/s
Note: Value should be greater than 0.
Vapor Density in Distillation
Vapor Density in Distillation is defined as the ratio of mass to the volume of vapor at particular temperature in a distillation Column.
Symbol: ρV
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Maximum Allowable Vapor Velocity
Maximum Allowable Vapor Velocity is a critical velocity of the vapor component that can be operated in a distillation column.
Symbol: Uv
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Column Diameter

​Go Column Diameter Based on Vapor Flowrate and Mass Velocity of Vapor
Dc=(4VWπWmax)12

Other formulas in Distillation Tower Design category

​Go Clearance Area under Downcomer given Weir Length and Apron Height
Aap=haplw
​Go Active Area given Gas Volumetric Flow and Flow Velocity
Aa=Gvfduf
​Go Downcomer Residence Time in Distillation Column
tr=AdhbcρLLw
​Go Flooding Velocity in Distillation Column Design
uf=K1(ρL-ρVρV)0.5

How to Evaluate Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity?

Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity evaluator uses Column Diameter = sqrt((4*Vapor Mass Flowrate)/(pi*Vapor Density in Distillation*Maximum Allowable Vapor Velocity)) to evaluate the Column Diameter, The Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity formula is defined as the diameter of the column where in the vapor component can have a maximum velocity for safe and optimum operations. Column Diameter is denoted by Dc symbol.

How to evaluate Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity using this online evaluator? To use this online evaluator for Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity, enter Vapor Mass Flowrate (VW), Vapor Density in Distillation V) & Maximum Allowable Vapor Velocity (Uv) and hit the calculate button.

FAQs on Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity

What is the formula to find Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity?
The formula of Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity is expressed as Column Diameter = sqrt((4*Vapor Mass Flowrate)/(pi*Vapor Density in Distillation*Maximum Allowable Vapor Velocity)). Here is an example- 1.657974 = sqrt((4*4.157)/(pi*1.71*1.12932479467671)).
How to calculate Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity?
With Vapor Mass Flowrate (VW), Vapor Density in Distillation V) & Maximum Allowable Vapor Velocity (Uv) we can find Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity using the formula - Column Diameter = sqrt((4*Vapor Mass Flowrate)/(pi*Vapor Density in Distillation*Maximum Allowable Vapor Velocity)). This formula also uses Archimedes' constant and Square Root (sqrt) function(s).
What are the other ways to Calculate Column Diameter?
Here are the different ways to Calculate Column Diameter-
  • Column Diameter=((4*Vapor Mass Flowrate)/(pi*Maximum Allowable Mass Velocity))^(1/2)OpenImg
Can the Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity be negative?
No, the Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity, measured in Length cannot be negative.
Which unit is used to measure Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity?
Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity can be measured.
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