NDLI: Nonparallel instability of supersonic and hypersonic boundary layers

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Nonparallel instability of supersonic and hypersonic boundary layers

Content Provider	NASA Technical Reports Server (NTRS)
Author	El-Hady, Nabil M.
Copyright Year	1991
Description	Multiple scaling technique is used to examine the nonparallel instability of supersonic and hypersonic boundary-layer flows to three dimensional (first mode) and two dimensional (second mode) disturbances. The method is applied to the flat plate boundary layer for a range of Mach numbers from 0 to 10. Growth rates of disturbances are calculated based on three different criteria: following the maximum of the mass-flow disturbance, using an integral of the disturbance kinetic energy, and using the integral of the square of the mass-flow amplitude. By following the maximum of the mass-flow disturbance, the calculated nonparallel growth rates are in good quantitative agreement with the experimental results at Mach number 4.5.
File Size	2643932
Page Count	64
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910012772
Archival Resource Key	ark:/13960/t43r5s35k
Language	English
Publisher Date	1991-05-01
Access Restriction	Open
Subject Keyword	Aerodynamics Supersonic Flow Flat Plates Hypersonic Flow Two Dimensional Flow Supersonic Boundary Layers Flow Stability Three Dimensional Flow Parallel Flow Boundary Layer Stability Hypersonic Boundary Layer Kinetic Energy Compressible Flow Mach Number Boundary Layer Flow Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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