1–50 von 135 Ergebnissen
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    Helicopter performance improvement by variable rotor speed and variable blade twist

    Han, Dong / Pastrikakis, Vasileios / Barakos, George N. | Elsevier | 2016
    Schlagwörter: Helicopter , Variable blade twist

    Numerical investigation of blade-tip-vortex dynamics

    Kaufmann, Kurt / Wolf, C. Christian / Merz, Christoph B. et al. | Springer Verlag | 2018
    Schlagwörter: Helicopter blade , Blade-tip-vortex

      Numerical investigation of blade-tip-vortex dynamics

      Kaufmann, Kurt / Wolf, C. Christian / Merz, Christoph B. et al. | Online Contents | 2018
      Schlagwörter: Blade-tip-vortex , Helicopter blade

    Rake impact on turboshaft compressors, a numerical study

    Dragan, Valeriu / Dumitrescu, Oana / Malael, Ion et al. | Emerald Group Publishing | 2020
    Schlagwörter: Helicopter compressor , Blade lean

    Shrinking Horizon Model Predictive Control Method for Helicopter–Ship Touchdown

    Greer, William B. / Sultan, Cornel | AIAA | 2020
    Schlagwörter: Helicopter Blade , Helicopter Dynamics , Helicopter Controls , Blade Pitch

    Helicopter blade reliability: Statistical data analysis and modeling

    Shahani, A.R. / Babaei, M. | Elsevier | 2016
    Schlagwörter: Helicopter blade

    Vibration reduction of helicopter with trailing-edge flaps at various flying conditions

    Kodakkattu, SK / Joy, ML / Prabhakaran Nair, K | SAGE Publications | 2017
    Schlagwörter: helicopter vibration , rotor blade

    Structural dynamics modeling of rectangular rotor blades

    Truong, Khiem-Van / Yeo, Hyeonsoo / Ormiston, Robert A. | Elsevier | 2013
    Schlagwörter: Helicopter rotor , Flexible blade structure , Blade natural frequencies

    Numerical investigation of the vortex roll-up from a helicopter blade tip using a novel fixed-wing adaptation method

    Joulain, Antoine / Desvigne, Damien / Alfano, David et al. | Springer Verlag | 2017
    Schlagwörter: Helicopter , Blade tip

      Numerical investigation of the vortex roll-up from a helicopter blade tip using a novel fixed-wing adaptation method

      Joulain, Antoine / Desvigne, Damien / Alfano, David et al. | Online Contents | 2017
      Schlagwörter: Blade tip , Helicopter

    Robust Design of Small Unmanned Helicopter for Hover Performance Using Taguchi Method

    Abhiram, D. R. / Ganguli, Ranjan / Harursampath, Dineshkumar et al. | AIAA | 2018
    Schlagwörter: Unmanned Helicopter , Helicopter Rotor , Blade Element Momentum Theory , Blade Element Theory

    Experimental investigation of high-pressure pulsed blowing for dynamic stall control

    Gardner, A. D. / Richter, K. / Mai, H. et al. | Springer Verlag | 2014
    Schlagwörter: Helicopter Blade Wind tunnel

      Experimental investigation of high-pressure pulsed blowing for dynamic stall control

      Gardner, A. D. / Richter, K. / Mai, H. et al. | Online Contents | 2014
      Schlagwörter: Helicopter Blade Wind tunnel

    Active rotor control for helicopters: motivation and survey on higher harmonic control

    Kessler, Ch. | Springer Verlag | 2011
    Schlagwörter: Individual Blade Control , Helicopter vibrations , Helicopter noise

    Aerodynamic design optimization of a helicopter rotor blade-sleeve fairing

    Pölzlbauer, P. / Desvigne, D. / Breitsamter, C. | Springer Verlag | 2018
    Schlagwörter: Helicopter aerodynamics , Blade-sleeve fairing

      Aerodynamic design optimization of a helicopter rotor blade-sleeve fairing

      Pölzlbauer, P. / Desvigne, D. / Breitsamter, C. | Online Contents | 2018
      Schlagwörter: Blade-sleeve fairing , Helicopter aerodynamics

    Closed loop IBC results from CH-53G flight tests

    Arnold, Uwe T.P. / Fürst, Daniel | Elsevier | 2005
    Schlagwörter: Individual blade control , Helicopter

    A New Approach to Modelling and Testing the Fatigue Strength of Helicopter Rotor Blades during Repair Process

    Freier Zugriff
    Sałaciński Michał / Kowalski Rafał / Szmidt Michał et al. | DOAJ | 2019
    Schlagwörter: rotor blade , helicopter

    Investigations of the vortex ring state on a helicopter main rotor using the URANS solver

    Stalewski, Wienczyslaw / Surmacz, Katarzyna | Emerald Group Publishing | 2020
    Schlagwörter: Virtual blade model , Helicopter flight simulation

    Systematic evaluation of the helicopter rotor blades: design variables and interactions

    Shahmiri, Farid / Sargolzehi, Maryam / Shahi Ashtiani, Mohammad Ali | Emerald Group Publishing | 2019
    Schlagwörter: Helicopter performance , Rotor blade design

    Reduction of dynamic stall using a back-flow flap

    Gardner, A. D. / Opitz, S. / Wolf, C. C. et al. | Springer Verlag | 2017
    Schlagwörter: Helicopter blade

      Reduction of dynamic stall using a back-flow flap

      Gardner, A. D. / Opitz, S. / Wolf, C. C. et al. | Online Contents | 2017
      Schlagwörter: Helicopter blade

    About the impact of wind turbine blade tip vortices on helicopter rotor trim and rotor blade motion

    van der Wall, Berend G. / Lehmann, Paul H. | Springer Verlag | 2017
    Schlagwörter: Helicopter rotor trim , Rotor blade motion

      About the impact of wind turbine blade tip vortices on helicopter rotor trim and rotor blade motion

      van der Wall, Berend G. / Lehmann, Paul H. | Online Contents | 2017
      Schlagwörter: Rotor blade motion , Helicopter rotor trim

    Determination of loads in the ultralight helicopter blades

    Freier Zugriff
    Vitaly Dudnik | DOAJ | 2023
    Schlagwörter: ultralight helicopter , blade

    Studying the Possibility of Creating a Dynamically and Elastically Scaled Blade of a Helicopter Main Rotor Model

    Ledyankin, M. A. / Mikhailov, S. A. | Springer Verlag | 2021
    Schlagwörter: blade , helicopter

    Streamwise Oscillation of Airfoils into Reverse Flow

    Granlund, Kenneth O. / Ol, Michael V. / Jones, Anya R. | AIAA | 2016
    Schlagwörter: Airfoil Blade , Helicopter Blade

    Robustness Analysis of Helicopter Ground Resonance with Parametric Uncertainties in Blade Properties

    Sanches, Leonardo / Alazard, Daniel / Michon, Guilhem et al. | AIAA | 2012
    Schlagwörter: Helicopter Ground Resonance , Helicopter Blade

    Hovering Helicopter Rotors Modeling Using the Actuator Line Method

    Merabet, Reda / Laurendeau, Eric | AIAA | 2021
    Schlagwörter: Helicopter Rotor , Blade Vortex Interaction , Blade Element Momentum Theory , Blade Element Theory

    Main helicopter rotor trimming using computational fluid dynamics method in forward flight

    Ma, Yimin / Chen, Ming / Wang, Qiang et al. | SAGE Publications | 2018
    Schlagwörter: blade element method , Helicopter

    Probabilistic Fatigue Damage Estimation for Rotorcraft Life-Limited Components

    Musso, Dakota / Saetti, Umberto / Rogers, Jonathan | AIAA | 2021
    Schlagwörter: Helicopter Blade , Blade Element Theory

    Numerical investigation of air jets for dynamic stall control on the OA209 airfoil

    Gardner, A. D. / Richter, K. / Rosemann, H. | Springer Verlag | 2011
    Schlagwörter: Helicopter blade

    Linearly variable chord-extension morphing for helicopter rotor blades

    Freier Zugriff
    Majeti, Rohin K. / van der Wall, Berend G. / Balzarek, Christoph G. | Springer Verlag | 2021
    Schlagwörter: Rotor blade morphing , Helicopter rotor efficiency

    Characterization and selection of basic parameters for steering servo of a small remotely-piloted single-rotor helicopter with tail rotor

    D’yakonov, D. A. / Zavalov, O. A. / Kuptsov, D. A. et al. | Springer Verlag | 2014
    Schlagwörter: remotely piloted helicopter , rotor blade , tail rotor blade

      Characterization and selection of basic parameters for steering servo of a small remotely-piloted single-rotor helicopter with tail rotor

      D’yakonov, D. A. / Zavalov, O. A. / Kuptsov, D. A. et al. | Online Contents | 2014
      Schlagwörter: remotely piloted helicopter , rotor blade , tail rotor blade

    Effect of Wing Twisting on Aerodynamic Performance of Flapping Wing System

    Truong, Tri Quang / Phan, Vu Hoang / Park, Hoon Cheol et al. | AIAA | 2013
    Schlagwörter: Blade Element Theory , Helicopter Blade

    Greenberg’s Force Prediction for Vertical-Axis Wind Turbine Blades

    Bensason, David / Le Fouest, Sébastien / Young, Anna et al. | AIAA | 2022
    Schlagwörter: Blade Kinematics , Helicopter Blade

    Approximate technique of tip vortex account in calculating a helicopter main rotor

    Liss, A. Yu. | Springer Verlag | 2012
    Schlagwörter: helicopter main rotor , varying blade loads

      Approximate technique of tip vortex account in calculating a helicopter main rotor

      Liss, A. Yu. | Online Contents | 2012
      Schlagwörter: helicopter main rotor , varying blade loads

    Multiple-Surrogate Approach to Helicopter Rotor Blade Vibration Reduction

    Glaz, Bryan / Goel, Tushar / Liu, Li et al. | AIAA | 2009
    Schlagwörter: Helicopter Rotor , Helicopter Vibration Reduction , Hingeless Rotor Blade

    Coupled Computational Fluid Dynamics and Comprehensive Analysis Calculations of a Gimballed Tiltrotor

    Ho, Jimmy C. / Jayaraman, Buvana / Yeo, Hyeonsoo | AIAA | 2018
    Schlagwörter: Helicopter Rotor , Blade Pitch Control , Blade Vortex Interaction

    Aerodynamic Behavior of a Floating Offshore Wind Turbine

    Lienard, C. / Boisard, R. / Daudin, C. | AIAA | 2020
    Schlagwörter: Blade Element Momentum Theory , Helicopter Rotor , Blade Vortex Interaction , Blade Pitch Control

    Active rotor control for helicopters: individual blade control and swashplateless rotor designs

    Kessler, Ch. | Springer Verlag | 2011
    Schlagwörter: Individual blade control, IBC , Swashplateless helicopter

    Analysis of rotorcraft ground resonance with generic inter-blade damper configurations

    Freier Zugriff
    Muscarello, Vincenzo / Quaranta, Giuseppe | Springer Verlag | 2023
    Schlagwörter: Helicopter ground resonance , Inter-blade dampers

    Aerodynamic and structural investigation of an active back-flow flap for dynamic stall control

    Opitz, S. / Gardner, A. D. / Kaufmann, K. | Springer Verlag | 2014
    Schlagwörter: Helicopter , Rotor blade

      Aerodynamic and structural investigation of an active back-flow flap for dynamic stall control

      Opitz, S. / Gardner, A. D. / Kaufmann, K. | Online Contents | 2014
      Schlagwörter: Helicopter , Rotor blade

    Material Uncertainty Propagation in Helicopter Nonlinear Aeroelastic Response and Vibratory Analysis

    Murugan, Senthil / Harursampath, Dineshkumar / Ganguli, Ranjan | AIAA | 2008
    Schlagwörter: Helicopter Blade , Hingeless Rotor Blade

    Automated Operational Modal Analysis of a Helicopter Blade with a Density-Based Cluster Algorithm

    Sibille, Luigi / Civera, Marco / Zanotti Fragonara, Luca et al. | AIAA | 2022
    Schlagwörter: Helicopter Blade

    Assessing Calculated Blade Loads of the Tilt Rotor Aeroacoustic Model

    Ho, Jimmy C. / Yeo, Hyeonsoo | AIAA | 2018
    Schlagwörter: Helicopter Rotor , Blade Pitch Control , Blade Vortex Interaction

    Simultaneous Helicopter and Control-System Design

    Oktay, Tugrul / Sultan, Cornel | AIAA | 2013
    Schlagwörter: Helicopter Controls , Helicopter Blade

    Propeller control strategy for coaxial compound helicopters

    Yuan, Ye / Thomson, Douglas / Chen, Renliang | SAGE Publications | 2019
    Schlagwörter: advancing blade concept rotor , Coaxial compound helicopter

    Design and Development of the Atlas Human-Powered Helicopter

    Robertson, Cameron D. / Reichert, Todd M. | AIAA | 2014
    Schlagwörter: Human Powered Helicopter , American Helicopter Society , Blade Element Theory

    Flight Control Energy Saving via Helicopter Rotor Active Morphing

    Oktay, Tugrul / Sultan, Cornel | AIAA | 2014
    Schlagwörter: Helicopter Blade , Helicopter Controls

    Progressive failure analysis of helicopter rotor blade under aeroelastic loading

    Freier Zugriff
    Kamran Ahmad / Yasir Baig / Hammad Rahman et al. | DOAJ | 2020
    Schlagwörter: helicopter rotor blade

    The phenomenon of helicopter rotor blade sailing

    Newman, S | SAGE Publications | 1999
    Schlagwörter: helicopter , blade sailing

    Coupled Simulations of Atmospheric Turbulence-Modified Ship Airwakes and Helicopter Flight Dynamics

    Thedin, Regis / Kinzel, Michael P. / Horn, Joseph F. et al. | AIAA | 2018
    Schlagwörter: Helicopter Flight Dynamics , Helicopter Blade

    Application of Linear Quadratic Estimation to Harmonic Analysis of Rotorcraft Vibration

    Morgan, Nathaniel T. / Berrigan, Caitlin S. / Lopez, Mark J. S. et al. | AIAA | 2017
    Schlagwörter: Helicopter Rotor , Blade Vortex Interaction , UH 60A Helicopter

    Innovative Seating Systems

    Dipl.-Ing. Klawitter, Thomas / Dipl.-Ing. Rother, Bernhard / Dr.-Ing. Franz, Matthias et al. | Springer Verlag | 2012
    Schlagwörter: Helicopter Rotor Blade

    Minimum Induced Power for a Rotor with a Finite Number of Blades

    Hong, JunSoo / Peters, David A. | AIAA | 2017
    Schlagwörter: Helicopter Rotor , Blade Pitch Control , Blade Element Theory