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velagapudi ramakrishna siddhartha engineering college (vr siddhartha engineering college), vijayawada
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National Institute Of Technology (NIT), Hamirpur
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Blasius equation Solution

STEP 0: Pre-Calculation Summary
Formula Used
friction_factor = (0.316)/(Reynolds Number^(1/4))
f = (0.316)/(Re^(1/4))
This formula uses 1 Variables
Variables Used
Reynolds Number- The Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. A region where these forces change behavior is known as a boundary layer, such as the bounding surface in the interior of a pipe.
STEP 1: Convert Input(s) to Base Unit
Reynolds Number: 5000 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
f = (0.316)/(Re^(1/4)) --> (0.316)/(5000^(1/4))
Evaluating ... ...
f = 0.037578944834086
STEP 3: Convert Result to Output's Unit
0.037578944834086 --> No Conversion Required
FINAL ANSWER
0.037578944834086 <-- Friction factor
(Calculation completed in 00.000 seconds)

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shear_stress = (Friction factor*Density of Fluid*Velocity^2)/2 Go
Shear velocity for turbulent flow in pipes
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Blasius equation Formula

friction_factor = (0.316)/(Reynolds 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)/(Reynolds 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 Reynolds Number (Re) and hit the calculate button. Here is how the Blasius equation calculation can be explained with given input values -> 0.037579 = (0.316)/(5000^(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)/(Reynolds Number^(1/4)). The Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. A region where these forces change behavior is known as a boundary layer, such as the bounding surface in the interior of a pipe.
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)/(Reynolds Number^(1/4)). To calculate Blasius equation, you need Reynolds Number (Re). With our tool, you need to enter the respective value for Reynolds 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 Reynolds Number. We can use 10 other way(s) to calculate the same, which is/are as follows -
  • shear_stress = (Shear Velocity^2)*Density of Fluid
  • average_height_irregularities = (Roughness reynold number*Kinematic viscosity)/Shear Velocity
  • power = (Density of Fluid*[g]*Discharge*Head loss due to friction)/1000
  • roughness_reynold_number = (Shear Velocity*Average height irregularities)/Kinematic viscosity
  • shear_velocity = sqrt(Shear Stress/Density of Fluid)
  • head_loss_due_to_friction = (Power*1000)/(Density of Fluid*[g]*Discharge)
  • discharge = (Power*1000)/(Density of Fluid*[g]*Head loss due to friction)
  • boundary_layer_thickness = (11.6*Kinematic viscosity)/(Shear Velocity)
  • shear_stress = (Friction factor*Density of Fluid*Velocity^2)/2
  • shear_stress = (Dynamic viscosity*Change in Velocity)
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