Application of passive dampers to modern helicopters

Smart Materials and Structures

Volumn 5, Issue 5, 1996, Pages 509-516

  Panda, Brahmananda ^a,b   Mychalowycz, Evhen ^a,b   Tarzanin, Frank J ^a,b  

^a Dynamics ^*

^b BOEING COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DAMPING; DYNAMICS; ELASTOMERS; HELICOPTER ROTORS; HELICOPTERS; MACHINE DESIGN; MODELS; STABILITY; WIND TUNNELS;

BEARINGLESS MAIN ROTORS; DAMPER BENCH TESTS; ELASTOMERIC DAMPERS; FLUIDLASTIC DAMPERS; FROUDE SCALE MODEL; PASSIVE DAMPERS;

INTELLIGENT MATERIALS;

EID: 0030260854     PISSN: 09641726     EISSN: None     Source Type: Journal    
DOI: 10.1088/0964-1726/5/5/001     Document Type: Article

References (18)

1. Huber H 1992 Will rotor hubs lose their bearings? A survey of bearingless main rotor development Proc. 18th European Rotorcraft Forum (Avignon, France, 1992)
2. Silverthorn L J, Anand V R and Lauzon D M 1995 FAA certification of the MD 900 dynamic systems 6th Int. Workshop on Dynamics and Aeroelastic Stability Modeling of Rotorcraft Systems (The University of California, Los Angeles, 1995)
3. Panda B and Mychalowycz E 1996 Aeroelastic Stability wind tunnel testing with analytical correlation of the Comanche bearingless main rotor Proc. 52nd Annual Forum of the American Helicopter Society (Washington, DC, 1996)
4. Grinna K 1985 The Model 360 advanced composite helicopter 30th Israel Annual Conf. on Aviation and Astronautics (Israel, 1985)
5. Tarzanin F J 1995 An improved low vibration rotor American Helicopter Society, 2nd Int. Aeromechanic Specialists Conf. (Bridgeport, Conn, 1995)
6. Shultz L A. Panda B, Tarzanin F J et al 1994 Interdisciplinary analysis for advanced rotors - approach, capabilities and status Proc. American Helicopter Society Aeromechanics Specialists Conf. (San Francisco, California, 1994)
7. Tarzanin F J and Panda B 1995 Development and application of nonlinear elastomeric and hydraulic lag damper models Proc. 36th AIAA SDM Conf. (New Orleans, Louisiana) paper AIAA-95-1448 pp 2534-44
8. Ingle S, Weber W and Miller D 1994 Concurrent handling qualities and aeroservoelastic specification compliance for the RAH-66 Comanche Proc. American Helicopter Society Aeromechanics Specialists Conf. (San Francisco, California, 1994)
9. Beale M R 1995 Material characterization and aeroelastic analysis for helicopters with elastomeric dampers MS Thesis Penn State University, Department of Aerospace Engineering
10. Smith E C, Beale M R et al 1995 Formulation, validation, and application of a finite element model for elastomeric lag dampers Proc. 51st Annual Forum of the American Helicopter Society (Fort Worth, Texas, 1995)
11. Felker F, Lau B, McLaughlin S and Johnson W 1987 Nonlinear behavior of an elastomeric lag damper undergoing dual-frequency motion and its effect on rotor dynamics J. Am. Helicopter Soc. 34 45-53
12. Gandhi F and Chopra I 1994 An analytical model for a nonlinear elastomeric lag damper and its effect on aeromechanical stability in hover J. Am. Helicopter Soc. 39 59-69
13. Gandhi F, Chopra I and Lee S W 1994 A nonlinear viscoelastic damper model: constitutive equation and solution scheme SPIE Corf. (Orlando, Florida, 1994) UM-AERO 94-54
14. Hausmann G and Gergely P 1992 Approximate methods for thermoviscoelastic characterization and analysis of elastomeric lead-lag dampers Proc. 18th European Rotorcraft Forum (Avignon, France, 1992)
15. Ormiston R A, Saberi H and Anastassiades T 1995 Appplication of 2GCHAS to the investigation of aeromechanical stability of hingeless and bearingless rotor helicopters Proc. 51st Annual Forum of the American Helicopter Society (Fort Worth, Texas, 1995)
16. Gandhi F and Chopra I 1995 Analysis of bearingless main rotor dynamics with the inclusion of an improved time-domain nonlinear elastomeric damper model Proc. 51st Annual Forum of the American Helicopter Society (Fort Worth, Texas, 1995)
17. McGuire D P 1994 Fluidlastic® dampers and isolators for v ibration control in helicopters Proc. 50th Annual Forum of the American Helicopter Society (Washington, DC, 1994)
18. Govindswamy K 1995 Modeling of strain-, temperature-, and frequency dependent properties of elastomeric damper and bearing materials PhD Thesis The Penn State University. Department of Aerospace Engineering