Description: Pressure up to which the pulsation damper is charged with gas before starting up for operation; Name: precharged pressure
Description: pressure to which the pulsation dampener is charged with dry gas prior to start of operation; Name: Pre-charge pressure
Description: through a surface, product of the sound pressure, p, and the component of the particle velocity, un, at a point on the surface in the direction normal to the surface, integrated over that surface; Name: sound power