Description: Integral of the product of the sound pressure p and the component of the particle velocity un, which is perpendicular to a surface at a point of this surface, over this surface; Name: Acoustic power
Description: determined 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
Description: A suitable, maximum (usually rounded) value of a frequency which is used for the description, designation or identification of a part, device, operating resource, facility or set of equipment; Name: Max. nominal frequency