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Fluid Dynamics
Erschienen in: Fluid Dynamics 3/2020

01.05.2020

Autooscillations Branched off from the Neutral Curve in the Supersonic Boundary Layer

verfasst von: S. A. Gaponov, N. M. Terekhova

Erschienen in: Fluid Dynamics | Ausgabe 3/2020

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Abstract

The soft and hard regimes of generation of periodic fluctuations in the supersonic boundary layer at moderate (M = 2) and high (M = 5.35) Mach numbers are investigated within the framework of weakly nonlinear theory. The model includes both the effects of self-action which are inherent in incompressible fluid flows (generation of secondary steady-state harmonics and generation of double-frequency perturbations) and the cubic terms of original fluctuations appearing only for compressible gas. The study of the nature of generation of periodic regimes in the neighborhood of the neutral curve in compressible flows is useful since it can lead to new results that are necessary for understanding the laminar-turbulent transition laws.
Vorheriger Artikel A STUDY OF TRANSIENT FLOWS WITH INTERFACES USING NUMERICAL SOLUTION OF NAVIER–STOKES EQUATIONS
Nächster Artikel Vapor–Gas Cavitation and Accompanying Electrification in Sliding a Cylinder over a Surface

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Metadaten
Titel
Autooscillations Branched off from the Neutral Curve in the Supersonic Boundary Layer
verfasst von
S. A. Gaponov
N. M. Terekhova
Publikationsdatum
01.05.2020
Verlag
Pleiades Publishing
Erschienen in
Fluid Dynamics / Ausgabe 3/2020
Print ISSN: 0015-4628
Elektronische ISSN: 1573-8507
DOI
https://doi.org/10.1134/S0015462820020032

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