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Characterization of a turbulent separating/ reattaching flow using optical pressure and velocity measurements (Berichte aus der Luft- und Raumfahrttechnik)

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Notă GoodReads:
en Limba Engleză Carte Paperback – 30 Jan 2014
TheturbulentwakeflowbehindagenericspacecraftwasinvestigatedexperimentallyinthetrisonicwindtunnelMunichatsubsonicMachnumbersM8=[0.3;0.7].Theflow/structureinteractionwhichraisedcriticalsafetyaspectsontherealspacecraftinthepastwasstudied.Thecharacterizationofthecoherentflowstructureswasperformedbymeansoftransientopticalandclassicalmeasurementtechniques.Thetopologyanddynamicsofthewakeflowandthepressurefieldwereinvestigatedwiththe2C2D-PIVandtheinstationaryPSP.Thereattachmentpositionaswellasthelocaldynamicbehaviorofstrongflowstructuresweresuccessfullycharacterizedandthepresenceofdominantvortexsheddingatexpectedfrequenciesaroundfshed~[400;900]Hzwasconfirmed.Itwasthefirsttimethatthefluid/structureinteractionandthepositionofstrongeststressescouldbecharacterizedexperimentallywithveryhighspatialandtemporalresolution.APSPsystemhadtobeestablishedinordertoperformthedesiredexperiments.Therefore,basiccomponents(e.g.calibrationchamber,excitation,evaluationtool)hadtobedevelopedandtheperformanceoftheentiresystemhadtobevalidated.
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Specificații

ISBN-13: 9783844025392
ISBN-10: 3844025391
Pagini: 159
Ilustrații: 63 farbige Abbildungen
Dimensiuni: 149 x 213 x 14 mm
Greutate: 0.22 kg
Editura: Shaker Verlag
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