Blasius Equation Solution

STEP 0: Pre-Calculation Summary
Formula Used
Friction Factor = (0.316)/(Roughness Reynold Number^(1/4))
f = (0.316)/(Re^(1/4))
This formula uses 2 Variables
Variables Used
Friction Factor - The Friction Factor or Moody chart is the plot of the relative roughness (e/D) of a pipe against Reynold's number.
Roughness Reynold Number - The Roughness Reynold Number is considered in a turbulent flow.
STEP 1: Convert Input(s) to Base Unit
Roughness Reynold Number: 10 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
f = (0.316)/(Re^(1/4)) --> (0.316)/(10^(1/4))
Evaluating ... ...
f = 0.17769985876015
STEP 3: Convert Result to Output's Unit
0.17769985876015 --> No Conversion Required
FINAL ANSWER
0.17769985876015 0.1777 <-- Friction Factor
(Calculation completed in 00.004 seconds)

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18 Turbulent Flow Calculators

Head Loss due to Friction given Power Required in Turbulent Flow
Go Head Loss Due to Friction = Power/(Density of Fluid*[g]*Discharge)
Discharge through Pipe given Head Loss in Turbulent Flow
Go Discharge = Power/(Density of Fluid*[g]*Head Loss Due to Friction)
Power Required to Maintain Turbulent Flow
Go Power = Density of Fluid*[g]*Discharge*Head Loss Due to Friction
Average Height of Irregularities for Turbulent Flow in Pipes
Go Average Height Irregularities = (Kinematic Viscosity*Roughness Reynold Number)/Shear Velocity
Roughness Reynold Number for Turbulent Flow in Pipes
Go Roughness Reynold Number = (Average Height Irregularities*Shear Velocity)/Kinematic Viscosity
Mean Velocity given Centreline Velocity
Go Mean Velocity = Centreline Velocity/(1.43*sqrt(1+Friction Factor))
Centreline Velocity
Go Centreline Velocity = 1.43*Mean Velocity*sqrt(1+Friction Factor)
Shear Stress in Turbulent Flow
Go Shear Stress = (Density of Fluid*Friction Factor*Velocity^2)/2
Shear Velocity given Mean Velocity
Go Shear Velocity 1 = Mean Velocity*sqrt(Friction Factor/8)
Shear Velocity for Turbulent Flow in Pipes
Go Shear Velocity = sqrt(Shear Stress/Density of Fluid)
Boundary Layer Thickness of Laminar Sublayer
Go Boundary Layer Thickness = (11.6*Kinematic Viscosity)/(Shear Velocity)
Shear Velocity given Centreline Velocity
Go Shear Velocity 1 = (Centreline Velocity-Mean Velocity)/3.75
Centreline Velocity given Shear and Mean Velocity
Go Centreline Velocity = 3.75*Shear Velocity+Mean Velocity
Mean Velocity given Shear Velocity
Go Mean Velocity = 3.75*Shear Velocity-Centreline Velocity
Shear Stress Developed for Turbulent Flow in Pipes
Go Shear Stress = Density of Fluid*Shear Velocity^2
Shear Stress due to Viscosity
Go Shear Stress = Viscosity*Change in Velocity
Frictional Factor given Reynolds Number
Go Friction Factor = 0.0032+0.221/(Roughness Reynold Number^0.237)
Blasius Equation
Go Friction Factor = (0.316)/(Roughness Reynold Number^(1/4))

Blasius Equation Formula

Friction Factor = (0.316)/(Roughness Reynold Number^(1/4))
f = (0.316)/(Re^(1/4))

What is the Blasius equation used for?

Blasius equation used for turbulent flow. Download software solutions calculations of fluid mechanics.

What is Blasius flow?

Blasius was. Two-dimensional, steady, incompressible flow over a flat plate at zero angles of incidence with respect to the uniform stream of velocity. The fluid extends to infinity in all directions from the plate.

How to Calculate Blasius Equation?

Blasius Equation calculator uses Friction Factor = (0.316)/(Roughness Reynold Number^(1/4)) to calculate the Friction Factor, The Blasius equation formula is defined as the steady two-dimensional laminar boundary layer that forms on a semi-infinite plate that is held parallel to a constant unidirectional flow. Friction Factor is denoted by f symbol.

How to calculate Blasius Equation using this online calculator? To use this online calculator for Blasius Equation, enter Roughness Reynold Number (Re) and hit the calculate button. Here is how the Blasius Equation calculation can be explained with given input values -> 0.1777 = (0.316)/(10^(1/4)).

FAQ

What is Blasius Equation?
The Blasius equation formula is defined as the steady two-dimensional laminar boundary layer that forms on a semi-infinite plate that is held parallel to a constant unidirectional flow and is represented as f = (0.316)/(Re^(1/4)) or Friction Factor = (0.316)/(Roughness Reynold Number^(1/4)). The Roughness Reynold Number is considered in a turbulent flow.
How to calculate Blasius Equation?
The Blasius equation formula is defined as the steady two-dimensional laminar boundary layer that forms on a semi-infinite plate that is held parallel to a constant unidirectional flow is calculated using Friction Factor = (0.316)/(Roughness Reynold Number^(1/4)). To calculate Blasius Equation, you need Roughness Reynold Number (Re). With our tool, you need to enter the respective value for Roughness Reynold Number 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 Friction Factor?
In this formula, Friction Factor uses Roughness Reynold Number. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Friction Factor = 0.0032+0.221/(Roughness Reynold Number^0.237)
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