AEROELASTIC STABILITY ANALYSIS OF AIRCRAFT WING WITH MOUNTED ROTOR

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VAHDATAZAD N.; ZAFARI E.; NOURALLAHZADEH J.

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Journal: Journal of Aerospace Mechanics Year:2017 | Volume:13 | Issue:2 (48) Page(s): 105-112

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Information Journal Paper

Title

AEROELASTIC STABILITY ANALYSIS OF AIRCRAFT WING WITH MOUNTED ROTOR

Author(s)

VAHDATAZAD N. | ZAFARI E. | NOURALLAHZADEH J. | Issue Writer Certificate

Keywords

UNSTEADY AERODYNAMICQ2

THEODORSEN’S FUNCTIONQ1

CANTILEVER EULER-BERNOULLI BEAMQ1

FLUTTERQ2

AEROELASTIC STABILITY ANALYSISQ1

Abstract

In this study, using kinetic energy, strain energy and non-conservative forces work of the wing and FLUTTER the governing equations of motion were derived through Lagrange’s method. The wing preforms as a CANTILEVER EULER-BERNOULLI BEAM and UNSTEADY AERODYNAMIC lift and moment are considered in terms of THEODORSEN’S FUNCTION. The effects of rotor and its location, thrust force, blades angular velocity and air stream velocity on the wing FLUTTER and dynamic stability of wing have been investigated. Numerical simulations are indicated that increasing the distance of the rotor location from tip of the wing, the amplitude of oscillations is increased and with dramatic reduction of FLUTTER speed the instability can be observed in the system. The increasing of thrust force also results the increase of FLUTTER speed and instability of the system. Furthermore, where the speed of air stream reaches higher than the FLUTTER speed, instability occurs in the system.

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APA: Copy

VAHDATAZAD, N., ZAFARI, E., & NOURALLAHZADEH, J.. (2017). AEROELASTIC STABILITY ANALYSIS OF AIRCRAFT WING WITH MOUNTED ROTOR. AEROSPACE MECHANICS JOURNAL, 13(2 (48)), 105-112. SID. https://sid.ir/paper/101952/en

Vancouver: Copy

VAHDATAZAD N., ZAFARI E., NOURALLAHZADEH J.. AEROELASTIC STABILITY ANALYSIS OF AIRCRAFT WING WITH MOUNTED ROTOR. AEROSPACE MECHANICS JOURNAL[Internet]. 2017;13(2 (48)):105-112. Available from: https://sid.ir/paper/101952/en

IEEE: Copy

N. VAHDATAZAD, E. ZAFARI, and J. NOURALLAHZADEH, “AEROELASTIC STABILITY ANALYSIS OF AIRCRAFT WING WITH MOUNTED ROTOR,” AEROSPACE MECHANICS JOURNAL, vol. 13, no. 2 (48), pp. 105–112, 2017, [Online]. Available: https://sid.ir/paper/101952/en

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