Theoretical study to calculate the vibration modes of a wind turbine blade with a new composite material | Zendy

Rabie ElAlaoui | Zendy; Hamid Mounirv | Zendy; Boudi El Mostapha | Zendy; Abdellatif El Marjani | Zendy

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Theoretical study to calculate the vibration modes of a wind turbine blade with a new composite material

Author(s) -

Rabie ElAlaoui,

Hamid Mounirv,

Boudi El Mostapha,

Abdellatif El Marjani

Publication year - 2018

Publication title -

world journal of environmental research

Language(s) - English

Resource type - Journals

ISSN - 2301-2641

DOI - 10.18844/wjer.v8i1.3946

Subject(s) - vibration , turbine blade , structural engineering , modal , blade (archaeology) , finite element method , beam (structure) , modal analysis , enhanced data rates for gsm evolution , normal mode , noise (video) , turbine , mode (computer interface) , torsional vibration , timoshenko beam theory , modal testing , acoustics , engineering , mechanical engineering , materials science , computer science , physics , composite material , operating system , telecommunications , image (mathematics) , artificial intelligence

A precise understanding of the dynamics of a blade is essential for its design, especially in the development of new structures and the resolution of noise and vibration problems. This understanding involves the study of experimental and/or theoretical modal analysis. These latter present effective tools for describing, understanding and modelling the dynamic aspect of each structure, in the present work, we are going to establish the Eigen-mode of a wind turbine blade made by a new composite material ‘hemp fibre’ using theoretical calculation for flap-wise, edge-wise and torsional mode using the finite element method applied to a structure consisting of a beam embedded at one end, based on the Euler-Bernoulli hypothesis and the equation of beam’s motion. Furthermore; we compare the obtained results with those of composite material made by fibreglass. Keywords: Blade, Eigen-mode, hemp fibre, flap-wise, edge-wise, torsional, fibreglass.

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