Dynamic pressure

In a closed, pressurised system with a circulating media, the total pressure consists of two elements; a static pressure and a dynamic pressure. The dynamic pressure indicates the amount of the total pressure that results from the media’s velocity in the pipes.

In a closed, pressurised system with a circulating media, the total pressure consists of two elements:

  • a static pressure
  • a dynamic pressure

The dynamic pressure indicates the amount of the total pressure that results from the media’s velocity in the pipes.

The dynamic pressure is calculated using the following formula:

pd = 0,5 x ρ x v²

where
ρ (rho) = the density of the media
v = mean velocity in the pipe.

The dynamic pressure is used for calculating pressure loss in pipe systems.





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