Works matching DE "HELICOPTER rotor aerodynamics"

Results: 39

Lagrangian formulation for the rapid estimation of helicopter rotor blade vibration characteristics.

Published in:

Aeronautical Journal, 2014, v. 118, n. 1206, p. 861, doi. 10.1017/S000192400000960X

By:

Goulos, I.;
Pachidis, V.;
Pilidis, P.

Publication type:

Article

Operational performance of inlet barrier filters for rotorcraft.

Published in:

Aeronautical Journal, 2012, v. 116, n. 1182, p. 847, doi. 10.1017/S0001924000007314

By:

Bojdo, N.;
Filippone, A.

Publication type:

Article

Non-linear control algorithm for the four rotors UAV attitude tracking problem.

Published in:

Aeronautical Journal, 2011, v. 115, n. 1165, p. 175, doi. 10.1017/S0001924000005571

By:

Derafa, L.;
Ouldali, A.;
Madani, T.;
Benallegue, A.

Publication type:

Article

Flow visualisation of the helicopter brown-out phenomenon.

Published in:

Aeronautical Journal, 2009, v. 113, n. 1145, p. 467, doi. 10.1017/S0001924000003134

By:

Nathan, N. D.;
Green, R. B.

Publication type:

Article

Control laws for an active tunable vibration absorber designed for rotor blade damping augmentation.

Published in:

Aeronautical Journal, 2004, v. 108, n. 1079, p. 35, doi. 10.1017/S0001924000004978

By:

Nitzsche, F.;
Zimcik, D.G.;
Wickramasinghe, V.K.;
Yong, C.

Publication type:

Article

Unusual Aggregation-Induced Emission of a Coumarin Derivative as a Result of the Restriction of an Intramolecular Twisting Motion.

Published in:

Angewandte Chemie, 2015, v. 127, n. 48, p. 14700, doi. 10.1002/ange.201506782

By:

Bu, Fan;
Duan, Ruihong;
Xie, Yujun;
Yi, Yuanping;
Peng, Qian;
Hu, Rongrong;
Qin, Anjun;
Zhao, Zujin;
Tang, Ben Zhong

Publication type:

Article

Fast Axial Positioning with Linear⁃Velocity Control for Linear⁃Rotary Switched Reluctance Motor.

Published in:

Transactions of Nanjing University of Aeronautics & Astronautics, 2024, v. 41, n. 3, p. 300, doi. 10.16356/j.1005⁃1120.2024.03.004

By:

MENG Xuying;
CAO Xin;
SHI Ruijie;
HE Zhouhui;
DENG Xu;
DENG Zhiquan

Publication type:

Article

Rotor Displacement Control of Bearingless Switched Reluctance Motor with Single⁃Winding Stator.

Published in:

Transactions of Nanjing University of Aeronautics & Astronautics, 2024, v. 41, n. 3, p. 289, doi. 10.16356/j.1005⁃1120.2024.03.003

By:

WANG Chuanchuan;
ZHANG Junhao;
JIN Lu;
NIU Zhaoxiang;
DU Juncheng;
WANG Huijun

Publication type:

Article

Rotor Vibratory Load Reduction by Piecewise Linear Blade Twist.

Published in:

Transactions of Nanjing University of Aeronautics & Astronautics, 2024, v. 41, n. 3, p. 278, doi. 10.16356/j.1005‑1120.2024.03.002

By:

ZHANG Yuhang;
HAN Dong

Publication type:

Article

Development of 10DOF Nonlinear Model of an Autonomous Helicopter with Control Rotor System.

Published in:

International Review of Aerospace Engineering, 2009, v. 2, n. 4, p. 199

By:

Mokhtari, Abolfazl;
Nikkhah, Amir Ali;
Novinzadeh, Alireza

Publication type:

Article

Mathematical modelling of the rotor of a helicopter with ejection devices.

Published in:

Russian Journal of Numerical Analysis & Mathematical Modelling, 1999, v. 14, n. 3, p. 237, doi. 10.1515/rnam.1999.14.3.237

By:

Lifanov, I. K.;
Ponarin, L. N.;
Setukha, A. V.

Publication type:

Article

KUYRUK ROTORSUZ TEST HELİKOPTERİ VE TEST DÜZENEĞİ TASARIMI.

Published in:

Teknoloji, 2004, v. 7, n. 4, p. 659

By:

Turhan, Levent;
Yillikçi, Y. Kemal

Publication type:

Article

New Progress in Helicopter Rotor Wake Research.

Published in:

Transactions of Nanjing University of Aeronautics & Astronautics, 2019, v. 36, n. 1, p. 36, doi. 10.16356/j.1005-1120.2019.01.004

By:

XU Guohua;
SHI Yongjie;
ZHAO Qijun

Publication type:

Article

Numerical Simulation of Aerodynamic Characteristics of Helicopter Rotor with Tip Slots.

Published in:

Transactions of Nanjing University of Aeronautics & Astronautics, 2018, v. 35, n. 6, p. 942, doi. 10.16356/j.1005-1120.2018.06.942

By:

Chen Rongqian;
Wang Xu;
Cheng Qiyou;
Zhu Chengxiang;
You Yancheng

Publication type:

Article

Multilayer hierarchical control for robotic coax-helicopter based on the H∞ robustness and mixing control scheme.

Published in:

Advances in Mechanical Engineering (Sage Publications Inc.), 2017, v. 9, n. 10, p. 1, doi. 10.1177/1687814017720088

By:

Yan-li Chen;
Jing-chun Qin;
Zhi-yan Dong;
Shun-an Liu;
Heng-liang Zheng

Publication type:

Article

Cracking of Erosion Strip of Main Rotor Blade of a Military Helicopter.

Published in:

Journal of Failure Analysis & Prevention, 2019, v. 19, n. 1, p. 36, doi. 10.1007/s11668-019-00594-1

By:

Nandi, Vaisakhi;
Bhat, R. Raghavendra;
Prasad, Vedula Ram

Publication type:

Article

Failure Analysis of an Air Turbine Starter.

Published in:

Journal of Failure Analysis & Prevention, 2010, v. 10, n. 4, p. 259, doi. 10.1007/s11668-010-9350-y

By:

Biswas, Swati;
Ganeshachar, M.;
Sridhar, B.;
Ramachandra, S.

Publication type:

Article

Unsteady Load Calculation for Rotor Based on VVPM/CA Coupling.

Published in:

Journal of Nanjing University of Aeronautics & Astronautics / Nanjing Hangkong Hangtian Daxue Xuebao, 2014, v. 46, n. 3, p. 443

By:

Xiao Yu;
Xu Guohua;
Shi Yongjie;
Huang Jiawei

Publication type:

Article

ATTENUATION AVERAGE SIGNAL POWER HELICOPTER ANTENNA SYSTEM.

Published in:

Electronics & Control Systems, 2015, v. 44, n. 2, p. 11

By:

Ivanov, A. V. A.;
Zadorozhniy, A. S.

Publication type:

Article

Dynamic Simulation of an Unmanned Hybrid Flying Robot.

Published in:

International Journal of Micro Air Vehicles, 2015, v. 7, n. 3, p. 257, doi. 10.1260/1756-8293.7.3.257

By:

Alsaif, khalid A.;
Foda, Mosaad A.;
Rosyid, Abdur

Publication type:

Article

Indoor/Outdoor Scan-Matching Based Mapping Technique with a Helicopter MAV in GPS-Denied Environment.

Published in:

International Journal of Micro Air Vehicles, 2015, v. 7, n. 1, p. 55, doi. 10.1260/1756-8293.7.1.55

By:

Friedman, Chen;
Chopra, Inderjit;
Rand, Omri

Publication type:

Article

Attitude Tracking Control of A Quad-Rotor with Partial Loss of Rotation Effectiveness.

Published in:

Asian Journal of Control, 2017, v. 19, n. 5, p. 1812, doi. 10.1002/asjc.1495

By:

Song, Zhankui;
Sun, Kaibiao

Publication type:

Article

Reviewing and Investigating the Use of Co-Axial Rotor Systems in Small UAVs.

Published in:

International Journal of Micro Air Vehicles, 2010, v. 2, n. 1, p. 1, doi. 10.1260/1756-8293.2.1.1

By:

Prior, Stephen D.

Publication type:

Article

Time-Accurate Aeroelastic Computations of a Full Helicopter Model using the Navier-Stokes Equations.

Published in:

International Journal of Aerospace Innovations, 2013, v. 5, n. 3/4, p. 73, doi. 10.1260/1757-2258.5.3-4.73

By:

Guruswamy, Guru P.

Publication type:

Article

Closed-Form Aerodynamic Derivatives of Multicopter Propellers in General Motion.

Published in:

International Journal of Simulation: Systems, Science & Technology, 2017, v. 18, n. 3, p. 2.1, doi. 10.5013/IJSSST.a.18.03.02

By:

Ficola, Antonio;
Castellani, Francesco;
Fravolini, Mario Luca

Publication type:

Article

Technical Note Estimate of Rotor Controls and Blade Flapping Caused by an Orthogonal Vortex Disturbance.

Published in:

Journal of the American Helicopter Society, 2018, v. 63, n. 2, p. 1, doi. 10.4050/JAHS.63.025001

By:

van der Wall, Berend G.

Publication type:

Article

A Dynamic-Inflow-Based Induced Power Model for General and Optimal Rotor Performance.

Published in:

Journal of the American Helicopter Society, 2018, v. 63, n. 2, p. 1, doi. 10.4050/JAHS.63.022008

By:

JunSoo Hong;
Peters, David A.;
Ormiston, Robert A.

Publication type:

Article

Comparison of CAMRAD II and RCAS Predictions of Tiltrotor Aeroelastic Stability.

Published in:

Journal of the American Helicopter Society, 2018, v. 63, n. 2, p. 1, doi. 10.4050/JAHS.63.022001

By:

Hyeonsoo Yeo;
Bosworth, Jeffrey;
Acree Jr., C. W.;
Kreshock, Andrew R.

Publication type:

Article

Helicopter Main Rotor Hub Load Alleviation Using a Variable Incidence Horizontal Stabilizer.

Published in:

Journal of the American Helicopter Society, 2018, v. 63, n. 1, p. 1, doi. 10.4050/JAHS.63.012005

By:

Voskuijl, Mark;
Verhagen, Mario R.

Publication type:

Article

Computational Aeroelasticity of Rotating Wings with Deformable Airfoils.

Published in:

Journal of the American Helicopter Society, 2017, v. 62, n. 3, p. 1, doi. 10.4050/JAHS.62.032006

By:

Cook, James R.;
Smith, Marilyn J.;
Thepvongs, Smith;
Cesnik, Carlos E. S.

Publication type:

Article

Aerodynamic Performance of a Hovering Microrotor in Confined Environment.

Published in:

Journal of the American Helicopter Society, 2017, v. 62, n. 2, p. 022008-1, doi. 10.4050/JAHS.62.022008

By:

Jardin, Thierry;
Prothin, Sebastien;
García Magaña, Cristian

Publication type:

Article

Extracting Blade–Vortex Interactions Using Continuous Wavelet Transforms.

Published in:

Journal of the American Helicopter Society, 2017, v. 62, n. 2, p. 022001-1, doi. 10.4050/JAHS.62.022001

By:

Stephenson, James H.;
Tinney, Charles E.

Publication type:

Article

Hover Performance Measurements Toward Understanding Aerodynamic Interference in Coaxial, Tandem, and Tilt Rotors.

Published in:

Journal of the American Helicopter Society, 2015, v. 60, n. 3, p. 1, doi. 10.4050/JAHS.60.032005

By:

Ramasamy, Manikandan

Publication type:

Article

Modular Multisolver Approach for Efficient High-Fidelity Simulation of the HART II Rotor.

Published in:

Journal of the American Helicopter Society, 2015, v. 60, n. 3, p. 1, doi. 10.4050/JAHS.60.032001

By:

Jain, Rohit K.;
Lim, Joon W.;
Jayaraman, Buvana

Publication type:

Article

Extendable Chord Rotors for Helicopter Envelope Expansion and Performance Improvement.

Published in:

Journal of the American Helicopter Society, 2014, v. 59, p. 1, doi. 10.4050/JAHS.59.012007

By:

Khoshlahjeh, Maryam;
Gandhi, Farhan

Publication type:

Article

Background-Oriented Schlieren Imaging for Full-Scale and In-Flight Testing.

Published in:

Journal of the American Helicopter Society, 2014, v. 59, p. 1, doi. 10.4050/JAHS.59.012002

By:

Raffel, Markus;
Heineck, James T.;
Schairer, Edward;
Leopold, Friedrich;
Kindler, Kolja

Publication type:

Article

Experimental Investigation of Unsteady Transition on a Pitching Rotor Blade Airfoil.

Published in:

Journal of the American Helicopter Society, 2014, v. 59, p. 1, doi. 10.4050/JAHS.59.012001

By:

Richter, K.;
Koch, S.;
Gardner, A. D.;
Mai, H.;
Klein, A.;
Rohardt, C. H.

Publication type:

Article

Application of Low- and High-Fidelity Simulation Tools to Helicopter Rotor Blade Optimization.

Published in:

Journal of the American Helicopter Society, 2013, v. 58, p. 1, doi. 10.4050/JAHS.58.042003

By:

Collins, Kyle B.;
Sankar, Lakshmi N.;
Mavris, Dimitri N.

Publication type:

Article

Nonlinear aeroelastic stability analysis of hingeless helicopter rotor blades using FRF coupling and condition number.

Published in:

Nonlinear Dynamics, 2015, v. 82, n. 1/2, p. 289, doi. 10.1007/s11071-015-2157-3

By:

Roknizadeh, S.;
Nobari, A.;
Shahverdi, H.

Publication type:

Article