STUDY OF MECHANISM OF BREAKDOWN IN LAMINAR-TURBULENT TRANSITION OF SUPERSONIC BOUNDARY LAYER ON FLAT PLATE
作者： Wei Cao , Zhang-feng Huang , Heng Zhou
DOI: 10.1007/S10483-006-0401-1
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摘要: Spatial mode direct numerical simulation has been applied to study the mechanism of breakdown in laminar-turbulent transition a supersonic boundary layer on flat plate with Mach number 4.5. Analysis result showed that, during process transition, causing mean flow profile evolve swiftly from laminar turbulent was that modification by disturbance, when they became larger, leads remarkable change its stability characteristics. Though most unstable T-S wave second for flow, first waves played key role transition.
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