Swirl–Nozzle Interaction Experiments: Influence of Injection-Reservoir Pressure and Injection Time

No AccessTechnical NotesSwirl–Nozzle Interaction Experiments: Influence of Injection-Reservoir Pressure and Injection TimeLionel Hirschberg, Friedrich Bake, Karsten Knobloch Steven J. HulshoffLionel Hirschberg https://orcid.org/0000-0002-2732-6639German Aerospace Center, 10623 Berlin, Germany*Deutsches Zentrum für Luft- und Raumfahrt–Deutscher Akademischer Austauschdienst Postdoctoral Fellow, Institute Propulsion Technology, Engine Acoustics, Mueller-Breslau-Straße 8; . Member AIAA (Corresponding Author).Search for more papers by this author, BakeGerman Germany†Team Leader Combustion 8. AIAA.Search KnoblochGerman Germany‡Combustion Acoustics Scientist, author HulshoffDelft University 2629 HS Delft, The Netherlands§Assistant Professor, Faculty Engineering, Delft Kluyverweg 1.Search authorPublished Online:21 May 2021https://doi.org/10.2514/1.J060291SectionsRead Now ToolsAdd to favoritesDownload citationTrack citations About References [1] Strahle W. 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Scholar Previous article Next FiguresReferencesRelatedDetailsCited byOn scattering entropy waves sudden area expansionsJournal 540Aeroacoustics research Europe: CEAS-ASC report 2020 & 2021 highlightsJournal 534Experimental investigations indirect noise due modulation axial vorticity upstream choked nozzleJournal 532Sound production main-flow oriented vorticity-nozzle interaction absence net swirlLionel Hulshoff13 June 2022Swirl–nozzle experiment: quasi-steady model-based analysis27 | Experiments Fluids, 62, 8 What's Popular Volume 7July CrossmarkInformationCopyright © authors. Published American Aeronautics Astronautics, Inc., permission. All requests copying permission reprint should be submitted CCC www.copyright.com; employ eISSN 1533-385X initiate your request. See also Rights Permissions www.aiaa.org/randp. TopicsAircraft EnginesCombustion ChambersCombustorsEnergyEnergy ConversionEnergy Forms, ConversionGas TurbineHeat EnginesNozzlesPropulsion PowerRocket EngineRocketryTurbinesTurbomachinery KeywordsConvergent Divergent NozzlesMass Flow RateFlow VelocityMach NumberAcoustic MeasurementCritical FlowVorticesCombustion InstabilityCombustion ChambersHeat Capacity RatioAcknowledgmentsThis work was carried out while Lionel beneficiary Deutsches Raumfahrt (DLR)–Deutscher (DAAD) postdoctoral fellowship (no. 57424730). authors thank DLR’s technical staff members Angelo Rudolphi, Sebastian Kruck, Oliver Klose, Nico Seiffert, Lech Modrzejewski their support.PDF Received26 October 2020Accepted13 2021Published online21