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1–20 von 3,015 Ergebnissen
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    Mitigating the Effects of Military Aircraft Overflights on Recreational Users of Parks

    N. P. Miller / G. S. Anderson / R. D. Horonjeff et al. | NTIS | 1999
    Schlagwörter: Noise Pollution & Control , Noise pollution , Aircraft noise

    NASA Jet Noise Research

    B. Henderson | NTIS | 2012
    Schlagwörter: Noise Pollution & Control

      NASA Jet Noise Research

      B. Henderson | NTIS | 2016
      Schlagwörter: Noise reduction , Noise prediction (aircraft) , Jet aircraft noise , Aerodynamic noise , Surface noise interactions

    A 20 Year Retrospective of The Advanced Noise Control Fan - Contributions to Turbofan Noise Research

    Sutliff, Daniel L. | NTRS | 2019
    Schlagwörter: Fan Noise , Noise Reduction , Duct Noise

    Acoustic Methods Used in the NASA Glenn 9- by 15- Foot Low-Speed Wind Tunnel

    Brown, Clifford A. / Stephens, David B. | NTRS | 2018
    Schlagwörter: Noise , Fan Noise , Propulsion Noise

    Community Reaction to Aircraft Noise around Smaller City Airports

    W. K. Conner / H. P. Patterson | NTIS | 1972
    Schlagwörter: Noise Pollution & Control , Aircraft noise , Noise pollution

    NASA Airspace Systems Environmentally Focused Research

    J. Cavolowsky | NTIS | 2010
    Schlagwörter: Noise Pollution & Control , Noise reduction , Noise pollution

    Transportation-Related Noise in the United States

    G. G. Fleming / R. E. Armstrong / E. Stusnick et al. | NTIS | 2013
    Schlagwörter: Noise Pollution & Control , Noise pollution , Noise climate , Transportation-related noise

    Study of the Noise Pollution at Container Terminals and the Surroundings

    I. H. Khoo / T. H. Nguyen | NTIS | 2011
    Schlagwörter: Noise Pollution & Control , Noise pollution , Noise distributions

    Jet-Surface Interaction Noise from High-Aspect Ratio Nozzles: Test Summary

    Brown, Clifford / Podboy, Gary | NTRS | 2017
    Schlagwörter: Noise , Propulsion Noise , Jet Surface Interaction Noise

    Core Noise Testing Plans for DGEN Aeropropulsion Research Turbofan (DART)

    D. K. Boyle | NTIS | 2017
    Schlagwörter: Engine noise , Noise pollution

    Mapping Heavy Vehicle Noise Source Heights for Highway Noise Analysis

    P. R. Donavan / C. J. Janello | NTIS | 2017
    Schlagwörter: Noise Pollution & Control , Noise pollution , Noise sources , Traffic noise levels , Transportation Noise Model (TNM) acoustical code

    ANOPP2 Training Part 2 of 4: Aircraft System Noise Prediction

    Leonard V. Lopes | NTRS
    Schlagwörter: Aircraft Noise , Aircraft Noise Prediction

    Subsonic-Transport Core/Combustor Noise

    L. S. Hultgren | NTIS | 2021
    Schlagwörter: Combustor noise , Turbomachinery noise

    DGEN Aeropropulsion Research Turbofan (DART): Lossless Projection of Measured Engine Noise Spectra to a 1-Foot-Radius Arc

    Brown, Clifford A. / Sutliff, Daniel L. | NTRS | 2018
    Schlagwörter: Noise , Propulsion Noise , Jet Noise

    Prediction-based Auralization of a Multirotor Urban Air Mobility Vehicle

    Siddhartha Krishnamurthy / Stephen A Rizzi / Rui Cheng et al. | NTRS
    Schlagwörter: Self-Noise , UAM Vehicle Noise , Urban Air Mobility Vehicle Noise Auralization , Self Noise , Periodic Noise , UAM Vehicle Noise Auralization

    9x15 Low Speed Wind Tunnel Acoustic Improvements

    Stark, David / Stephens, David | NTRS | 2016
    Schlagwörter: noise pollution

    Metropolitan Aircraft Noise Abatement Policy Study, John F. Kennedy International Airport, New York, New York

    NTIS | 1970
    Schlagwörter: Noise Pollution & Control , Noise reduction , Aircraft noise , Noise pollution , Noise pollution control

    Empennage Noise Shielding Benefits for an Open Rotor Transport

    J. J. Berton | NTIS | 2012
    Schlagwörter: Noise Pollution & Control , Aerodynamic noise , Noise measurement , Noise pollution , Noise reduction