Mean Effective Diameter Solution

STEP 0: Pre-Calculation Summary
Formula Used
Diameter = 6/Mean Specific Surface
D = 6/Svm
This formula uses 2 Variables
Variables Used
Diameter - (Measured in Meter) - Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
Mean Specific Surface - Mean Specific Surface is the ratio of surface area to the volume.
STEP 1: Convert Input(s) to Base Unit
Mean Specific Surface: 0.24 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
D = 6/Svm --> 6/0.24
Evaluating ... ...
D = 25
STEP 3: Convert Result to Output's Unit
25 Meter --> No Conversion Required
FINAL ANSWER
25 Meter <-- Diameter
(Calculation completed in 00.004 seconds)

Credits

Created by Nishan Poojary
Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi
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University Institute of Technology RGPV (UIT - RGPV), Bhopal
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12 Flow of Liquids inside Packed Beds Calculators

Effective Particle Diameter by Ergun given Frication Factor
Go Diameter(eff) = (Friction Factor*Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))/(Acceleration due to Gravity*Head of Fluid*Void Fraction^3)
Head of Fluid Lost Due to Friction
Go Head of Fluid = (Friction Factor*Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))/(Acceleration due to Gravity*Diameter(eff)*Void Fraction^3)
Friction Factor by Ergun
Go Friction Factor = (Acceleration due to Gravity*Diameter(eff)*Head of Fluid*Void Fraction^3)/(Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))
Effective Particle Diameter by Ergun given Reynolds Number
Go Diameter(eff) = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Superficial Velocity*Density)
Superficial Velocity by Ergun given Reynolds Number
Go Superficial Velocity = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Diameter(eff)*Density)
Reynolds Number of Packed Beds by Ergun
Go Reynolds Number(pb) = (Diameter(eff)*Superficial Velocity*Density)/(Absolute Viscosity*(1-Void Fraction))
Density of Fluid by Ergun
Go Density = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Diameter(eff)*Superficial Velocity)
Absolute Viscosity of Fluid by Ergun
Go Absolute Viscosity = (Diameter*Superficial Velocity*Density)/(Reynolds Number(pb)*(1-Void Fraction))
Friction Factor by Beek
Go Friction Factor = (1-Void Fraction)/(Void Fraction^3)*(1.75+150*((1-Void Fraction)/Reynolds Number(pb)))
Friction Factor by Ergun for Rep Value between 1 and 2500
Go Friction Factor = 150/Reynolds Number(pb)+1.75
Friction Factor by Kozeny-Carman
Go Friction Factor = 150/Reynolds Number(pb)
Mean Effective Diameter
Go Diameter = 6/Mean Specific Surface

Mean Effective Diameter Formula

Diameter = 6/Mean Specific Surface
D = 6/Svm

What is internal flow?

Internal flow is a flow for which the fluid is confined by a surface. Hence the boundary layer is unable to develop without eventually being constrained. The internal flow configuration represents a convenient geometry for heating and cooling fluids used in chemical processing, environmental control, and energy conversion technologies.
An example includes flow in a pipe.

How to Calculate Mean Effective Diameter?

Mean Effective Diameter calculator uses Diameter = 6/Mean Specific Surface to calculate the Diameter, The Mean effective diameter formula is defined as the average of the half way of imaginary halfway from the tube or bed. Diameter is denoted by D symbol.

How to calculate Mean Effective Diameter using this online calculator? To use this online calculator for Mean Effective Diameter, enter Mean Specific Surface (Svm) and hit the calculate button. Here is how the Mean Effective Diameter calculation can be explained with given input values -> 0.25 = 6/0.24.

FAQ

What is Mean Effective Diameter?
The Mean effective diameter formula is defined as the average of the half way of imaginary halfway from the tube or bed and is represented as D = 6/Svm or Diameter = 6/Mean Specific Surface. Mean Specific Surface is the ratio of surface area to the volume.
How to calculate Mean Effective Diameter?
The Mean effective diameter formula is defined as the average of the half way of imaginary halfway from the tube or bed is calculated using Diameter = 6/Mean Specific Surface. To calculate Mean Effective Diameter, you need Mean Specific Surface (Svm). With our tool, you need to enter the respective value for Mean Specific Surface 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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