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Velocity of pressure wave propagation

The pressure wave propagation velocity is the velocity at which the pressure wave moves in the fluid and is also referred to as the velocity of sound.

In cold, gas-free water in metal pipes it ranges between 1000 and 1400 m/s, depending on the pipe's pressure class. If the fluid contains small proportions of undissolved gases, these values may be lower by a factor of 10 to 20.

Velocity of pressure wave propagation