THE FLUTTER SPEED AND EFFECT OF LAMINATE LAYERS OF COMPOSITE WING CARRYING TWO POWERED ENGINES

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MOHARAMI SAIED; IRANI SAIED; SHAMS SHAHROKH; FALLAH MOHAMMAD REZA

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:2 Page(s): 314-322

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Title

THE FLUTTER SPEED AND EFFECT OF LAMINATE LAYERS OF COMPOSITE WING CARRYING TWO POWERED ENGINES

Author(s)

MOHARAMI SAIED | IRANI SAIED | SHAMS SHAHROKH | FALLAH MOHAMMAD REZA | Issue Writer Certificate

Keywords

INSTABILITYQ2

FLUTTERQ2

WINGQ1

COMPOSITEQ2

Abstract

In this article, the FLUTTER speed of a COMPOSITE WING carrying two power engines is analyzed. The WING is modeled as a beam with two degrees of freedom, which is a cantilever, with two thrust as a follower force and mass of the engines. Wagner theory has been used for aerodynamic model and using the assumed mode, the WING dynamic equations of the motion has been achieved by Lagrange equations. Linear FLUTTER speed according to the eigenvalues of the motion equations was calculated. In order to valid the results of present work, at first COMPOSITE WING assumed without engines and then WING modeled with two engines that results are compared with published results and good agreement has been observed. COMPOSITE WING has been analyzed as one layer and also laminate layers, and effect of variables such as follower force, engines mass, position of engines and number of layers has been investigated and the results show that with increase in mass and force of engines and also with increases distance between engine and WING root, FLUTTER speed decreases and with decrease distance between engines and leading edge, FLUTTER speed increases.

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APA: Copy

MOHARAMI, SAIED, IRANI, SAIED, SHAMS, SHAHROKH, & FALLAH, MOHAMMAD REZA. (2018). THE FLUTTER SPEED AND EFFECT OF LAMINATE LAYERS OF COMPOSITE WING CARRYING TWO POWERED ENGINES. MODARES MECHANICAL ENGINEERING, 18(2 ), 314-322. SID. https://sid.ir/paper/178663/en

Vancouver: Copy

MOHARAMI SAIED, IRANI SAIED, SHAMS SHAHROKH, FALLAH MOHAMMAD REZA. THE FLUTTER SPEED AND EFFECT OF LAMINATE LAYERS OF COMPOSITE WING CARRYING TWO POWERED ENGINES. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(2 ):314-322. Available from: https://sid.ir/paper/178663/en

IEEE: Copy

SAIED MOHARAMI, SAIED IRANI, SHAHROKH SHAMS, and MOHAMMAD REZA FALLAH, “THE FLUTTER SPEED AND EFFECT OF LAMINATE LAYERS OF COMPOSITE WING CARRYING TWO POWERED ENGINES,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 2 , pp. 314–322, 2018, [Online]. Available: https://sid.ir/paper/178663/en

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