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Active Area Given Total Area and Fractional Downcomer Area Formula

GoActive Area given Gas Volumetric Flow and Flow Velocity Formula

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Active Area is the area made available for the vapor component to travel in a Tray tower where liquid-vapor contacting takes place. Check FAQs

A a = A T \cdot (1 - f d)

A_a - Active Area?A_T - Tower Cross Sectional Area?f_d - Fractional Downcomer Area?

Active Area Given Total Area and Fractional Downcomer Area Example

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Here is how the Active Area Given Total Area and Fractional Downcomer Area equation looks like with Values.

Here is how the Active Area Given Total Area and Fractional Downcomer Area equation looks like with Units.

Here is how the Active Area Given Total Area and Fractional Downcomer Area equation looks like.

0.5544 = 0.63 \cdot (1 - 0.12)

0.5544m² = 0.63m² \cdot (1 - 0.12)

0.5544 = 0.63 \cdot (1 - 0.12)

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Active Area Given Total Area and Fractional Downcomer Area Solution

Follow our step by step solution on how to calculate Active Area Given Total Area and Fractional Downcomer Area?

FIRST Step Consider the formula

A a = A T \cdot (1 - f d)

Next Step Substitute values of Variables

∴

A a = 0.63m² \cdot (1 - 0.12)

Next Step Prepare to Evaluate

∴

A a = 0.63 \cdot (1 - 0.12)

LAST Step Evaluate

∴

A a = 0.5544m²

Active Area Given Total Area and Fractional Downcomer Area Formula Elements

Variables

Active Area

Active Area is the area made available for the vapor component to travel in a Tray tower where liquid-vapor contacting takes place.

Symbol: A_a

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Active Area

Tower Cross Sectional Area

Tower Cross Sectional Area is the area of Column/Tower where the effective unit process or operations takes place.

Symbol: A_T

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Tower Cross Sectional Area

Fractional Downcomer Area

Fractional Downcomer Area refers to the ratio of tower cross sectional area occupied by the downcomers on both side of column.

Symbol: f_d

Measurement: NAUnit: Unitless

Note: Value should be less than 1.

Formulas to find Fractional Downcomer Area

Other Formulas to find Active Area

Go Active Area given Gas Volumetric Flow and Flow Velocity

A a = \frac{G v}{f d \cdot u f}

Other formulas in Distillation Tower Design category

Go Clearance Area under Downcomer given Weir Length and Apron Height

A ap = h ap \cdot l w

Go Column Diameter Based on Vapor Flowrate and Mass Velocity of Vapor

D c = {(\frac{4 \cdot V W}{π \cdot W max})}^{\frac{1}{2}}

Go Column Diameter given Maximum Vapor Rate and Maximum Vapor Velocity

D c = \sqrt{\frac{4 \cdot V W}{π \cdot ρ V \cdot U v}}

Go Downcomer Residence Time in Distillation Column

t r = \frac{A d \cdot h bc \cdot ρ L}{L w}

How to Evaluate Active Area Given Total Area and Fractional Downcomer Area?

Active Area Given Total Area and Fractional Downcomer Area evaluator uses Active Area = Tower Cross Sectional Area*(1-Fractional Downcomer Area) to evaluate the Active Area, The Active Area Given Total Area and Fractional Downcomer Area formula is defined as actual available area for the liquid-vapor components to undergo their mass transfer process in a tray tower. Active Area is denoted by A_a symbol.

How to evaluate Active Area Given Total Area and Fractional Downcomer Area using this online evaluator? To use this online evaluator for Active Area Given Total Area and Fractional Downcomer Area, enter Tower Cross Sectional Area (A_T) & Fractional Downcomer Area (f_d) and hit the calculate button.

FAQs on Active Area Given Total Area and Fractional Downcomer Area

What is the formula to find Active Area Given Total Area and Fractional Downcomer Area?

The formula of Active Area Given Total Area and Fractional Downcomer Area is expressed as Active Area = Tower Cross Sectional Area*(1-Fractional Downcomer Area). Here is an example- 0.5544 = 0.63*(1-0.12).

How to calculate Active Area Given Total Area and Fractional Downcomer Area?

With Tower Cross Sectional Area (A_T) & Fractional Downcomer Area (f_d) we can find Active Area Given Total Area and Fractional Downcomer Area using the formula - Active Area = Tower Cross Sectional Area*(1-Fractional Downcomer Area).

What are the other ways to Calculate Active Area?

Here are the different ways to Calculate Active Area-

Active Area=Volumetric Gas Flow/(Fractional Downcomer Area*Flooding Velocity)

Can the Active Area Given Total Area and Fractional Downcomer Area be negative?

No, the Active Area Given Total Area and Fractional Downcomer Area, measured in Area cannot be negative.

Which unit is used to measure Active Area Given Total Area and Fractional Downcomer Area?

Active Area Given Total Area and Fractional Downcomer Area 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 Active Area Given Total Area and Fractional Downcomer Area can be measured.

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