Pressure wave
As Pressure wave become generally brief fluctuations of the in a medium (z.B. Air, water or the earth's crust) mark, which itself as . Depending upon kind of the pressure change thereby distinctive between
- acoustic waves (Acoustic waves) with smaller to more moderate and temporal pressure pattern as well as
- and that .
Pressure waves can in all flexible Media arise, thus , , and (however each longitudinal wave is not a pressure wave, for instance the wave in in longitudinal direction a swinging Spiral spring) . With that one speaks also of Primary shafts (p-waves).
Popular above all explosionswellen (detonation waves) are called pressure waves. Occasionally the term is used also falsely for arbitrary brief gusts of wind, approximately for the air blast of one or a driving past large vehicle; physically it concerns thereby however not around waves, but brief .
See also:
Classification
