1–20 von 162 Ergebnissen
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    SNL100-03 Blade: Design Studies with Flatback Airfoils for the Sandia 100-meter Blade

    D. T. Griffith / P. W. Richards | NTIS | 2014
    Schlagwörter: 100 meter blade design , Blade slenderness , Blade technology

    Tests of Full-Scale Helicopter Rotors at High Advancing Tip Mach Numbers and Advance Ratios. Technical Report

    J. C. Biggers / J. I. L. McCloud / R. H. Stroub | NTIS | 2015
    Schlagwörter: Blade radius

    Effects of Vehicle Weight and True Versus Indicated Airspeed on BVI Noise During Steady Descending Flight

    J. Stephenson / E. Greenwood | NTIS | 2015
    Schlagwörter: Blade-vortex interaction , Blade slap noise

    Nearfield Unsteady Pressures at Cruise Mach Numbers for a Model Scale Counter-Rotation Open Rotor

    David B Stephens | NTRS | 2012
    Schlagwörter: Blade pitch , Blade passing frequency

    Estimating Helicopter Noise Abatement Information with Machine Learning

    E. Greenwood | NTIS | 2018
    Schlagwörter: Blade-vortex interaction

    Effects of Vehicle Weight and True Versus Indicated Airspeed on BVI Noise During Steady Descending Flight

    J. H. Stephenson / E. Greenwood | NTIS | 2015
    Schlagwörter: Blade-vortex interaction , Blade slap noise

    Wake Model for Helicopter Rotors in High Speed Flight

    W. R. Johnson | NTIS | 1988
    Schlagwörter: Blade tips , Blade-vortex interaction

    Single Stage Experimental Evaluation of Slotted Rotor and Stator Blading. Part I - Analysis and Design

    B. A. Jones / C. G. Linder | NTIS | 1966
    Schlagwörter: Rotor blade , Stator blade , Blade

    Variable Diameter Rotor Study

    A. W. Linden | NTIS | 1972
    Schlagwörter: Telescoping blade rotors , Rigid blade rotors , Folding blade rotors , Flexible blade rotors

    In-Flight Rotorcraft Acoustics Program

    R. L. Peterson | NTIS | 1996
    Schlagwörter: Blade-vortex interaction , Blade slap noise

    HART-II: Prediction of Blade-Vortex Interaction Loading

    J. W. Lim / C. Tung / Y. H. Yu et al. | NTIS | 2003
    Schlagwörter: Blade-vortex interaction , Blade deflections

      HART-II: Prediction of Blade-Vortex Interaction Loading

      J. W. Lim / C. Tung / Y. H. Yu et al. | NTIS | 2003
      Schlagwörter: Blade-vortex

    XV-15 Tiltrotor Aircraft: 1997 Acoustic Testing

    B. D. Edwards / D. A. Conner | NTIS | 2003
    Schlagwörter: Blade-vortex interaction , Blade slap noise

    Propeller-rotor whirl flutter - A state-of- the-art review

    Reed, W. H., III | NTRS | 1965
    Schlagwörter: PROPELLER BLADE

    Effects of Crosswind Flight on Rotor Harmonic Noise Radiation

    E. Greenwood / B. W. Sim | NTIS | 2013
    Schlagwörter: Blade-vortex interaction

    Helicopter Noise - a Blade Slap. Part 1 - Review and Theoretical Study

    J. W. Leverton | NTIS | 1968
    Schlagwörter: Blade tips

    Accurate and Efficient Vortex-Capturing for Rotor Blade Vortex Interaction

    O. J. Boelens / H. van der Ven / B. Oskam et al. | NTIS | 2000
    Schlagwörter: Blade-vortex interaction , Blade tips