INVESTIGATION OF THE EFFECT OF GEOMETRICAL AND MECHANICAL PROPERTIES OF HORIZONTAL WIND TURBINES ON ITS DYNAMIC BEHAVIOR FOR FREE AND FORCED VIBRATION CASES

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SHOOSHTARI A.; HASHEMI K.

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Journal: Journal of Applied and Computational Sciences in Mechanics Year:2016 | Volume:27 | Issue:2 (14) Page(s): 113-127

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Title

INVESTIGATION OF THE EFFECT OF GEOMETRICAL AND MECHANICAL PROPERTIES OF HORIZONTAL WIND TURBINES ON ITS DYNAMIC BEHAVIOR FOR FREE AND FORCED VIBRATION CASES

Author(s)

SHOOSHTARI A. | HASHEMI K. | Issue Writer Certificate

Keywords

HORIZONTAL AXIS WIND TURBINEQ1

THIN WALLED BEAM THEORYQ1

HARMONIC ACTUATIONQ1

RANDOM ACTUATIONQ2

Abstract

In this paper, using thin wall beam theory, at first the deflection of an arbitrary point of a horizontal wind turbine has been determined. Then, calculating potential and kinetic energy of wind turbine structure and using Lagrange equations, the equations of motion have been derived. Also, forced vibration of structures under various excitation such as aerodynamic forces, centrifugal effects, weight of elements and base excitation have been investigated. Finally, the effects of lengths, material and angular velocity of blades and wind speed on dynamic behavior of structure have been investigated. For validation, the tower of turbine has been modeled and analyzed in ANSYS software and good agreement between the obtained results and the proposed method has been observed.

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APA: Copy

SHOOSHTARI, A., & HASHEMI, K.. (2016). INVESTIGATION OF THE EFFECT OF GEOMETRICAL AND MECHANICAL PROPERTIES OF HORIZONTAL WIND TURBINES ON ITS DYNAMIC BEHAVIOR FOR FREE AND FORCED VIBRATION CASES. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), 27(2 (14)), 113-127. SID. https://sid.ir/paper/356077/en

Vancouver: Copy

SHOOSHTARI A., HASHEMI K.. INVESTIGATION OF THE EFFECT OF GEOMETRICAL AND MECHANICAL PROPERTIES OF HORIZONTAL WIND TURBINES ON ITS DYNAMIC BEHAVIOR FOR FREE AND FORCED VIBRATION CASES. JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2016;27(2 (14)):113-127. Available from: https://sid.ir/paper/356077/en

IEEE: Copy

A. SHOOSHTARI, and K. HASHEMI, “INVESTIGATION OF THE EFFECT OF GEOMETRICAL AND MECHANICAL PROPERTIES OF HORIZONTAL WIND TURBINES ON ITS DYNAMIC BEHAVIOR FOR FREE AND FORCED VIBRATION CASES,” JOURNAL OF APPLIED AND COMPUTATIONAL SCIENCES IN MECHANICS (JOURNAL OF SCHOOL OF ENGINEERING), vol. 27, no. 2 (14), pp. 113–127, 2016, [Online]. Available: https://sid.ir/paper/356077/en

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