NDLI: Stability of compressible boundary layers

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Stability of compressible boundary layers

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nayfeh, Ali H.
Copyright Year	1989
Description	The stability of compressible 2-D and 3-D boundary layers is reviewed. The stability of 2-D compressible flows differs from that of incompressible flows in two important features: There is more than one mode of instability contributing to the growth of disturbances in supersonic laminar boundary layers and the most unstable first mode wave is 3-D. Whereas viscosity has a destabilizing effect on incompressible flows, it is stabilizing for high supersonic Mach numbers. Whereas cooling stabilizes first mode waves, it destabilizes second mode waves. However, second order waves can be stabilized by suction and favorable pressure gradients. The influence of the nonparallelism on the spatial growth rate of disturbances is evaluated. The growth rate depends on the flow variable as well as the distance from the body. Floquet theory is used to investigate the subharmonic secondary instability.
File Size	2566075
Page Count	59
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890011582
Archival Resource Key	ark:/13960/t6p032v57
Language	English
Publisher Date	1989-03-01
Access Restriction	Open
Subject Keyword	Aerodynamics Viscosity Suction Three Dimensional Flow Computational Fluid Dynamics Reynolds Number Floquet Theorem Boundary Layer Stability Two Dimensional Flow Compressible Flow Mach Number Pressure Gradients Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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