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Spatial three-dimensional secondary instability compressible boundary-layer flows

Author:
El-Hady, Nabil M.
Published:
Sep 1, 1989.
Physical Description:
1 electronic document
Online Version

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Summary:
Three-dimensional linear secondary instability theory is extended for compressible and high Mach number boundary layer flows. The small but finite amplitude compressible Tollmien-Schlichting wave effect on the growth of 3-D perturbations is investigated. The focus is on principal parametric resonance responsible for the strong growth of subharmonic in low disturbance environment. The effect of increasing Mach number on the onset, growth, the shape of eigenfunctions of the subharmonic is assessed, and the resulting vortical structure is examined.
Other Subject(s):
Collection:
NASA Technical Reports Server (NTRS) Collection.
Note:
Document ID: 19890018607.
Accession ID: 89N27978.
NASA-CR-4251.
NAS 1.26:4251.
Terms of Use and Reproduction:
No Copyright.
View MARC record | catkey: 15689317