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Diameter(eff) is a chord that runs through the center point of the circle. Check FAQs
Deff=ffLbUb2(1-)gHf3
Deff - Diameter(eff)?ff - Factor of Friction?Lb - Length of Packaged Bed?Ub - Superficial Velocity? - Void Fraction?g - Acceleration due to Gravity?Hf - Head of Fluid?

Effective Particle Diameter by Ergun given Frication Factor Example

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Here is how the Effective Particle Diameter by Ergun given Frication Factor equation looks like with Values.

Here is how the Effective Particle Diameter by Ergun given Frication Factor equation looks like with Units.

Here is how the Effective Particle Diameter by Ergun given Frication Factor equation looks like.

24.7921Edit=1.148Edit1100Edit0.05Edit2(1-0.75Edit)9.8Edit0.0077Edit0.75Edit3
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Effective Particle Diameter by Ergun given Frication Factor Solution

Follow our step by step solution on how to calculate Effective Particle Diameter by Ergun given Frication Factor?

FIRST Step Consider the formula
Deff=ffLbUb2(1-)gHf3
Next Step Substitute values of Variables
Deff=1.1481100m0.05m/s2(1-0.75)9.8m/s²0.0077m0.753
Next Step Prepare to Evaluate
Deff=1.14811000.052(1-0.75)9.80.00770.753
Next Step Evaluate
Deff=24.7921390778534m
LAST Step Rounding Answer
Deff=24.7921m

Effective Particle Diameter by Ergun given Frication Factor Formula Elements

Variables
Diameter(eff)
Diameter(eff) is a chord that runs through the center point of the circle.
Symbol: Deff
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Factor of Friction
Factor of Friction or Moody chart is the plot of the relative roughness (e/D) of a pipe against Reynold's number.
Symbol: ff
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Length of Packaged Bed
Length of Packaged Bed is the measurement or extent of something from end to end.
Symbol: Lb
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Superficial Velocity
Superficial Velocity is the volumetric flow rate divided by a cross sectional area.
Symbol: Ub
Measurement: SpeedUnit: m/s
Note: Value should be greater than 0.
Void Fraction
Void Fraction is the fraction of the channel volume that is occupied by the gas phase.
Symbol:
Measurement: NAUnit: Unitless
Note: Value should be between 0 to 1.
Acceleration due to Gravity
Acceleration due to Gravity is acceleration gained by an object because of gravitational force.
Symbol: g
Measurement: AccelerationUnit: m/s²
Note: Value should be greater than 0.
Head of Fluid
The Head of Fluid is the height of a vertical column of fluid and represents mechanical energy per pound of fluid.
Symbol: Hf
Measurement: LengthUnit: m
Note: Value should be greater than 0.

Other Formulas to find Diameter(eff)

​Go Effective Particle Diameter by Ergun given Reynolds Number
Deff=Repbμ(1-)Ubρ

Other formulas in Flow of Liquids inside Packed Beds category

​Go Reynolds Number of Packed Beds by Ergun
Repb=DeffUbρμ(1-)
​Go Superficial Velocity by Ergun given Reynolds Number
Ub=Repbμ(1-)Deffρ

How to Evaluate Effective Particle Diameter by Ergun given Frication Factor?

Effective Particle Diameter by Ergun given Frication Factor evaluator uses Diameter(eff) = (Factor of Friction*Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))/(Acceleration due to Gravity*Head of Fluid*Void Fraction^3) to evaluate the Diameter(eff), The Effective particle diameter by Ergun given frication factor formula is defined as the diameter of the particle required for the given value pf friction factor. Diameter(eff) is denoted by Deff symbol.

How to evaluate Effective Particle Diameter by Ergun given Frication Factor using this online evaluator? To use this online evaluator for Effective Particle Diameter by Ergun given Frication Factor, enter Factor of Friction (ff), Length of Packaged Bed (Lb), Superficial Velocity (Ub), Void Fraction (∈), Acceleration due to Gravity (g) & Head of Fluid (Hf) and hit the calculate button.

FAQs on Effective Particle Diameter by Ergun given Frication Factor

What is the formula to find Effective Particle Diameter by Ergun given Frication Factor?
The formula of Effective Particle Diameter by Ergun given Frication Factor is expressed as Diameter(eff) = (Factor of Friction*Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))/(Acceleration due to Gravity*Head of Fluid*Void Fraction^3). Here is an example- 24.79214 = (1.148*1100*0.05^2*(1-0.75))/(9.8*0.0077*0.75^3).
How to calculate Effective Particle Diameter by Ergun given Frication Factor?
With Factor of Friction (ff), Length of Packaged Bed (Lb), Superficial Velocity (Ub), Void Fraction (∈), Acceleration due to Gravity (g) & Head of Fluid (Hf) we can find Effective Particle Diameter by Ergun given Frication Factor using the formula - Diameter(eff) = (Factor of Friction*Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))/(Acceleration due to Gravity*Head of Fluid*Void Fraction^3).
What are the other ways to Calculate Diameter(eff)?
Here are the different ways to Calculate Diameter(eff)-
  • Diameter(eff)=(Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Superficial Velocity*Density)OpenImg
Can the Effective Particle Diameter by Ergun given Frication Factor be negative?
Yes, the Effective Particle Diameter by Ergun given Frication Factor, measured in Length can be negative.
Which unit is used to measure Effective Particle Diameter by Ergun given Frication Factor?
Effective Particle Diameter by Ergun given Frication Factor is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Effective Particle Diameter by Ergun given Frication Factor can be measured.
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