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Periodic vortex shedding in the supersonic wake of a planar plate

Author
Marenbach, G.
Published
May 1, 1985.
Physical Description
1 electronic document
Additional Creators
Xing, W. F.
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
Vortex sheets in the wake have been mainly studied in incompressible flows and in the transonic region. Heinemann et al. (1976) have shown that for the subsonic region the Strouhal number is nearly independent of the Mach number. Motallebi and Norbury (1981) have observed an increase in the Strouhal number in transonic supersonic flow at Mach numbers up to 1.25. The present investigation is concerned with an extension of the studies of vortex shedding to higher supersonic Mach numbers, taking into account questions regarding the possibility of a generation of stable von Karman vortex paths in the considered Mach number range. It is found that the vortex sheet observed in a supersonic wake behind a rough plate is only stable and reproducible in cases involving a certain surface roughness and certain aspects of trailing edge geometry.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19850016896.
Accession ID: 85N25207.
NAS 1.15:77854.
NASA-TM-77854.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15705056