Die Wellenfront bewegt sich mit der Geschwindigkeit u in das ruhende Fluid hinein, dessen Druck p und dessen Dichte ρ ist. Das bewegte Fluid links von der Wellenfront habe die Geschwindigkeit c^'=dc ,den Druck p^'=p+dp und die Dichte ρ^'=ρ+dρ.
The Wavefront moves with the speed u in the dormant fluid into it, its printing is p and the density ρ. The moving fluid left by the wave front have the speed c ^'= dc, the pressure p ^'= p + dp and the density ρ ^'= ρ + dρ.
The wavefront moves with velocity u in the stationary fluid into it, the pressure p and the density is ρ. The fluid moving to the left of the wavefront have the speed c ^ '= dc, the pressure p ^' = p + dp and the density ρ ^ '= ρ + dρ.
The wavefront moves at the speed u in the dormant fluid into the pressure p and density ρ is. The moving fluid left of the wavefront, the speed c ' =dc ,the pressure p ' =p DP and the density ρ ' =ρ dρ.