Measurement in a transitional boundary layer with Gortler vortices

Ralph J. Volino, Terrence W. Simon

Research output: Contribution to journalConference article

Abstract

The laminar-turbulent transition process has been documented in a concave-wall boundary layer subject to low (0.6%) free-stream turbulence intensity. Transition began at a Reynolds number, Rex (based on distance from the leading edge of the test wall), of 3.5 × 105 and was completed by 4.7×105. The transition was strongly influenced by the presence of stationary, streamwise, Gortler vortices. Transition under similar conditions has been documented in previous studies, but because concave-wall transition tends to be rapid, measurements within the transition zone were sparse. In this study, emphasis is on measurements within the zone of intermittent flow.

Original languageEnglish (US)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - Jan 1 1996
EventProceedings of the 1996 International Gas Turbine and Aeroengine Congress & Exhibition - Burmingham, UK
Duration: Jun 10 1996Jun 13 1996

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