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Coherent structures and secondary motions in open duct flow

Sakai, Yoshiyuki

This thesis investigates the turbulent secondary motions observed in the straight open and closed duct flow with a rectangular cross-section. The turbulent flow was simulated by means of direct numerical simulations, which resolve all the relevant spatio-temporal scales. Reynolds number and geometrical aspect ratio dependences of the mean secondary flow were investigated with a spacial emphasis upon coherent structure analysis.

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DOI: 10.5445/IR/1000061617
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Hydromechanik (IFH)
Publikationstyp Hochschulschrift
Publikationsjahr 2016
Sprache Englisch
Identifikator urn:nbn:de:swb:90-616177
KITopen-ID: 1000061617
Verlag KIT, Karlsruhe
Umfang XXXI, 197 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Bauingenieur-, Geo- und Umweltwissenschaften (BGU)
Institut Institut für Hydromechanik (IFH)
Prüfungsdaten 03.06.2016
Referent/Betreuer Prof. M. Uhlmann
Schlagwörter open duct turbulence, secondary flow, direct numerical simulation, coherent structure analysis
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