14 非定常噴流の数値シミュレーション

抄録

The fundamental behavior of transient jet which is injected into quiescent fluid are investigated by the Finite Analytic Numerical Method. In this study the continuity equation and the Navier-Stokes equations are solved as the two-dimensional imcompressible fluid flow. The main results obtained can be summarized as follows. On the jet axis, the position of the maximum for the axial velocity, the minimum for the pressure and the section through the two vortex centers agree almost irrespective of time and Reynolds number.