1–20 von 95 Ergebnissen
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    Technology approach to aero engine noise reduction

    Neise, Wolfgang / Enghardt, Lars | Elsevier | 2003

    Broadband Sound Power Determination in Flow Ducts

    Enghardt, Lars / Neuhaus, Lars / Lowis, Chris | AIAA | 2004

    Acoustic Mode Decomposition of Compressor Noise under Consideration of Radial Flow Profiles

    Enghardt, Lars / Tapken, Ulf / Kornow, Oliver et al. | AIAA | 2005

    Experimental Investigation of the Acoustic Damping of Perforated Liners with Bias Flow

    Heuwinkel, Claus / Enghardt, Lars / Rohle, Ingo | AIAA | 2007

    A comparison between measured and predicted fan broadband noise due to rotor-stator interaction

    Jurdic, Vincent / Moreau, Antoine / Joseph, Philip et al. | AIAA | 2007

    Experimental Validation of an Active Stator Technology Reducing Modern Turbofan Engine Noise

    Genoulaz, Nadine / Julliard, Jacques / Bouty, Eric et al. | AIAA | 2007

    Concept and Experimental Investigation of a Zero Mass Flow Liner

    Heuwinkel, Claus / Enghardt, Lars / Röhle, Ingo | AIAA | 2008

    Laut, leise, leiser. DLR-Triebwerksakustiker erforschen Brennkammergeräusche

    Bake, Friedrich / Röhle, Ingo / Enghardt, Lars | Tema Archiv | 2008

    Impedance Deduction Based on Insertion Loss Measurements of Liners under Grazing Flow Conditions

    Busse, Stefan / Richter, Christoph / Thiele, Frank et al. | AIAA | 2008

    Tonal Noise Radiation from an UHBR Fan - Optimized In-Duct Radial Mode Analysis

    Tapken, Ulf / Raitor, Till / Enghardt, Lars | AIAA | 2009

    Control of Tonal Fan Noise Using Flow Induced Secondary Sound Sources Generated by Air Jet Actuation

    Lemke, Olaf / Neise, Wolfgang / Enghardt, Lars et al. | AIAA | 2009

    On the Excitation of a Zero Mass Flow Liner for Acoustic Damping

    Heuwinkel, Claus / Pardowitz, Benjamin / Bake, Friedrich et al. | AIAA | 2009

    Acoustic Plane Wave Decomposition by Means of Synchronised PIV

    Fischer, André / Bake, Friedrich / Roehle, Ingo et al. | AIAA | 2009

    Extensions of Extremum-Seeking Control to Improve the Aerodynamic Performance of Axial Turbomachines

    Wiederhold, Olaf / King, Rudibert / Noack, Bernd et al. | AIAA | 2009

    Technique to Analyze Characteristics of Turbomachinery Broadband Noise Sources

    Jürgens, Werner / Tapken, Ulf / Pardowitz, Benjamin et al. | AIAA | 2010