Friction Factor by Ergun for Rep Value between 1 and 2500 Solution

STEP 0: Pre-Calculation Summary
Formula Used
Factor of Friction = 150/Reynolds Number(pb)+1.75
ff = 150/Repb+1.75
This formula uses 2 Variables
Variables Used
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.
Reynolds Number(pb) - Reynolds number(pb) is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities.
STEP 1: Convert Input(s) to Base Unit
Reynolds Number(pb): 200 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
ff = 150/Repb+1.75 --> 150/200+1.75
Evaluating ... ...
ff = 2.5
STEP 3: Convert Result to Output's Unit
2.5 --> No Conversion Required
FINAL ANSWER
2.5 <-- Factor of Friction
(Calculation completed in 00.004 seconds)

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Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi
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Flow of Liquids inside Packed Beds Calculators

Effective Particle Diameter by Ergun given Reynolds Number
​ LaTeX ​ Go Diameter(eff) = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Superficial Velocity*Density)
Superficial Velocity by Ergun given Reynolds Number
​ LaTeX ​ Go Superficial Velocity = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Diameter(eff)*Density)
Reynolds Number of Packed Beds by Ergun
​ LaTeX ​ Go Reynolds Number(pb) = (Diameter(eff)*Superficial Velocity*Density)/(Absolute Viscosity*(1-Void Fraction))
Density of Fluid by Ergun
​ LaTeX ​ Go Density = (Reynolds Number(pb)*Absolute Viscosity*(1-Void Fraction))/(Diameter(eff)*Superficial Velocity)

Friction Factor by Ergun for Rep Value between 1 and 2500 Formula

​LaTeX ​Go
Factor of Friction = 150/Reynolds Number(pb)+1.75
ff = 150/Repb+1.75

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 Friction Factor by Ergun for Rep Value between 1 and 2500?

Friction Factor by Ergun for Rep Value between 1 and 2500 calculator uses Factor of Friction = 150/Reynolds Number(pb)+1.75 to calculate the Factor of Friction, The Friction factor by Ergun for Rep value between 1 and 2500 formula is defined as the ratio of the absolute roughness ε of the pipe inside wall to the pipe inside diameter. Factor of Friction is denoted by ff symbol.

How to calculate Friction Factor by Ergun for Rep Value between 1 and 2500 using this online calculator? To use this online calculator for Friction Factor by Ergun for Rep Value between 1 and 2500, enter Reynolds Number(pb) (Repb) and hit the calculate button. Here is how the Friction Factor by Ergun for Rep Value between 1 and 2500 calculation can be explained with given input values -> 2.5 = 150/200+1.75.

FAQ

What is Friction Factor by Ergun for Rep Value between 1 and 2500?
The Friction factor by Ergun for Rep value between 1 and 2500 formula is defined as the ratio of the absolute roughness ε of the pipe inside wall to the pipe inside diameter and is represented as ff = 150/Repb+1.75 or Factor of Friction = 150/Reynolds Number(pb)+1.75. Reynolds number(pb) is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities.
How to calculate Friction Factor by Ergun for Rep Value between 1 and 2500?
The Friction factor by Ergun for Rep value between 1 and 2500 formula is defined as the ratio of the absolute roughness ε of the pipe inside wall to the pipe inside diameter is calculated using Factor of Friction = 150/Reynolds Number(pb)+1.75. To calculate Friction Factor by Ergun for Rep Value between 1 and 2500, you need Reynolds Number(pb) (Repb). With our tool, you need to enter the respective value for Reynolds Number(pb) and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Factor of Friction?
In this formula, Factor of Friction uses Reynolds Number(pb). We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Factor of Friction = (Acceleration due to Gravity*Diameter(eff)*Head of Fluid*Void Fraction^3)/(Length of Packaged Bed*Superficial Velocity^2*(1-Void Fraction))
  • Factor of Friction = 150/Reynolds Number(pb)
  • Factor of Friction = (1-Void Fraction)/(Void Fraction^3)*(1.75+150*((1-Void Fraction)/Reynolds Number(pb)))
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