unsteady flow /SCIENCE/
[DE] instationäre Strömung
[EN] unsteady flow
[FR] écoulement instationnaire; écoulement non-permanent
non-stationary flow,non-steady flow,unsteady flow /SCIENCE/
[DE] instationäre Strömung; instationärer Abfluss
[EN] non-stationary flow; non-steady flow; unsteady flow
[FR] régime variable; écoulement non permanent; écoulement non stationnaire; écoulement variable