Unsteady rotor airload prediction using a comprehensive aeroelastic analysis

Nanjing Hangkong Hangtian Daxue Xuebao/Journal of Nanjing University of Aeronautics and Astronautics

Volumn 35, Issue 3, 2003, Pages 268-272

  Wang, Hao Wen ^a   Gao, Zheng ^a  

^a NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS   (China)

Author keywords

Airload; Dynamic stall; Rotor; Unsteady

Indexed keywords

AERODYNAMIC LOADS; AERODYNAMICS; FINITE ELEMENT METHOD; FORECASTING; TIME VARYING SYSTEMS;

AEROELASTIC ANALYSIS; AIRLOAD; BLADES; DYNAMIC STALL; FINITE ELEMENT FORMULATION; UNSTEADY ROTOR;

HELICOPTER ROTORS;

EID: 0347983858     PISSN: 10052615     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (12)

1. Johnson W. Rotorcraft dynamics models for a comprehensive analysis [A]. The 54th Annual Forum of the AHS, Washington DC [C]. 1998. 452-471.
2. Johnson W. Evaluation of dynamic stall models with UH-60A airloads flight test data [A]. The 54th Annual Forum of the AHS [C]. Washington, DC, 1998. 576-587.
3. Torok M S, Chopra I. Rotor loads prediction utilizing a coupled aeroelastic analysis with refined aerodynamic modeling [J]. Journal of the American Helicopter Society, 1991, 36(1): 58-67.
4. Hansford, Robert E, John V. Dynamics workshop on rotor vibratory loads prediction [J]. Journal of the American Helicopter Society, 1998, 43(1): 76-87.
5. Wang Haoweru, Gao Zheng, Zheng Zhaochang, et al. A new aeromechanical stability analysis methodology for the coupled rotor/fuselage system of helicopters [J]. Transaction of Nanjing University of Aeronautics and Astronautics, 2001, 18(1): 47-52.
6. Hodges D H, Dowell E H. Nonlinear equations of motion for the elastic bending and torsion of twisted non-uniform blades [R]. NASA TN-7818, 1974. 1-51.
7. Sivaneri N T, Chopra I. Finite element analysis for bearingless rotor blade aeroelasticity [J]. Journal of the American Helicopter Society, 1984, 29(2): 42-51.
8. Johnson W R. Wake model for helicopter rotors in high speed flight [R]. NASA CR 177507, 1988. 7-11.
9. Leishman J G, Beddoes T S. A generalised model for airfoil unsteady aerodynamic behaviour and dynamic stall using the indicial method [A]. The 42nd Annual Forum of AHS [C]. Washington D C, 1986. 243-265.
10. Heffernan R, Gaubert M. Structural and aerodynamic loads and performance measurements of an SA 349/2 helicopter with an advanced geometry rotor [R]. NASA TM 88370, 1986. 1-58.
11. Heffernan R. Effect of helicopter blade dynamics on blade aerodynamic and structural loads [J]. Journal of the American Helicopter Society, 1988, 31(2): 30-41.