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Document type:
Zeitschriftenaufsatz 
Author(s):
Di Giovanni, A.; Stemmer, C. 
Title:
Cross-flow-type breakdown induced by distributed roughness in the boundary layer of a hypersonic capsule configuration 
Abstract:
Direct numerical simulations are undertaken to investigate the nature of instability mechanisms induced by singular and distributed roughnesses on a blunt-capsule configuration. On the base of a capsule-like hemispherical forebody at wind-tunnel conditions ( M=5.9 ), we analyse the development of unsteady disturbances behind a patch of two different roughness geometries. First, spanwise periodic roughness elements are considered and cross-validation with other methods of the stability analysis i...    »
 
Keywords:
vortex breakdown; hypersonic re-entry capsule; boundary-layer 
Dewey Decimal Classification:
620 Ingenieurwissenschaften 
Journal title:
Journal of Fluid Mechanics 
Year:
2018 
Journal issue:
Vol. 856 
Pages contribution:
pp. 470-503 
Covered by:
Scopus 
Reviewed:
ja 
Language:
en 
Publisher:
Cambridge University Press 
Status:
Erstveröffentlichung 
Accepted:
23.08.2018 
Date of publication:
05.10.2018 
TUM Institution:
Lehrstuhl für Aerodynamik