title: Study of the Reynolds Number Effect on the Process of Instability Transition Into the Turbulent Stage.
abstract: The results of the experimental study of the Reynolds number effect on the process of the Rayleigh-Taylor (R-T) instability transition into the turbulent stage are presented. The experimental liquid layer was accelerated by compressed gas. Solid particles were scattered on the layer free surface to specify the initial perturbations in some experiments. The process was recorded with the use of a high-speed motion picture camera. The following results were obtained in experiments: (1) Long-wave perturbation is developed at the interface at the Reynolds numbers Re < 104. If such perturbation growth is limited by a hard wall, the jet directed in gas is developed. If there is no such limitation, this perturbation is resolved into the short-wave ones with time, and their growth results in gas-liquid mixing. (2) Short-wave perturbations specified at the interface significantly reduce the Reynolds number Re for instability to pass into the turbulent mixing stage.
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia e-mail:  postmaster@ifv.vniief.ru.
authors: N V
authors: NV
authors: Nevmerzhitskiy
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: E A
authors: EA
authors: Sotskov
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: E D
authors: ED
authors: Sen'kovskiy
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: O L
authors: OL
authors: Krivonos
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: A A
authors: AA
authors: Polovnikov
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: E V
authors: EV
authors: Levkina
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: S V
authors: SV
authors: Frolov
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: S A
authors: SA
authors: Abakumov
authors: Russian Federation Nuclear Center , Nizhniy Novgorod region , Sarov, Russia.
authors: V V
authors: VV
authors: Marmyshev