Pipe Fiction Loss Calculator

Enter the friction factor, length of pipe, inner diameter of pipe, and the velocity of flow into the calculator to determine the friction head loss.

Pipe Friction Loss Formula

The following formula is used to calculate the head loss due to friction of flow through a pipe.

hf = f (L/D) * (v^2/2g)

  • Where hf is the head loss (m)
  • f is the friction factor
  • L is the length of pipe (m)
  • D is the inner diameter of pipe (m)
  • v is the flow velocity (m/s)
  • g is the acceleration due to gravity (m/s^2)

Units of feet can be substituted for meters assuming the proper conversions are done.

Pipe Friction Loss Definition

A pipe friction loss is defined as the total loss of energy, typically as potential energy, that arises from friction forces of flow moving through a pipe.

Pipe Friction Loss Example

How to calculate a pipe friction loss?

  1. First, determine the friction factor.

    Calculate the friction factor between the pipe and the fluid flow.

  2. Next, determine the length and diameter.

    Measure the length and inner diameter of the pipe.

  3. Next, determine the velocity of fluid.

    Measure the fluid velocity moving through the pipe.

  4. Finally, calculate the pipe friction loss.

    Calculate the pipe friction loss using the equation above.

FAQ

What is friction loss?

Friction loss is the loss of kinetic or potential energy of a system to the forces of friction resisting flow.

pipe friction loss calculator
pipe friction loss formula

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