1987•TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series BOpen access

Laminar-turbulent transition in a radial free liquid film flow. 2nd report. Laminar-turbulent transition and stability.

Tsuneo Azuma, Naomasa Morishima

Abstract

This paper describes the laminar-turbulent transition in the radial flow of a free liquid film. The liquid film flow was generated in the same way as in the previous report. The transition mechanism was observed using a stroboscope. A sequence of experiments revealed the existence of a critical Reynolds number. The stability diagrams for various velocity profiles of the free liquid film flow obtained in the previous report were calculated by solving the O-S equation numerically. The phenomena of the laminar-turbulent transition were investigated by using the stability diagrams.

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Available abstract

Key concepts: Laminar flow, Turbulence, Reynolds number, Laminar-turbulent transition, Mechanics, Flow (mathematics), Thermodynamics, Materials science