The Impact of Critical Flutter Velocity in Composite Wind Turbine Blade with Prebend Condition-Reference-Cited by-同舟云学术

The Impact of Critical Flutter Velocity in Composite Wind Turbine Blade with Prebend Condition

Published:2022-03-02 Issue: Volume:2022 Page:1-13
ISSN:1563-5147
Container-title:Mathematical Problems in Engineering
language:en
Short-container-title:Mathematical Problems in Engineering

Author:

Kumar H. S. Sunil¹^ORCID,Jagadeesh K. R.²,Anand R. B.³,Rangaswamy T.⁴,Salyan Srikanth⁵,Solomon Jenoris Muthiya⁶,Arockia Dhanraj Joshuva⁷^ORCID,Isaac Joshua Ramesh Lalvani Joshua Stephen Chellakumar⁸^ORCID

Affiliation:

1. Department of Mechanical Engineering, D.A.C.G. (Govt.) Polytechnic, Chikmagalur 577101, India

2. Department of Mechanical Engineering, Smt L.V. (Govt.) Polytechnic, Hassan 573201, India

3. Department of Mechanical Engineering, National Institute of Technology, Tiruchirappalli 620015, India

4. Departments of Mechanical Engineering, Government Engineering College, Hassan 573201, India

5. Department of Aeronautical Engineering, Dayananda Sagar College of Engineering, Bangalore 560111, India

6. Department of Automobile Engineering, Dayananda Sagar College of Engineering, Bangalore 560111, India

7. Centre for Automation and Robotics (ANRO), Department of Mechanical Engineering, Hindustan Institute of Technology and Science, Chennai 603103, India

8. Faculty of Mechanical Engineering, ArbaMinch Institute of Technology, ArbaMinch University, ArbaMinch, Ethiopia

Abstract

The present work focuses on the effect of flutter in prebend 100 m horizontal axis wind turbine blade (HAWT) within the stability limits. The study was carried out with an advanced beam model for idyllic structure in a DU-97-W-300 cross-sectional area. A Galerkin type of approach has been applied to derive the equations, and the analysis was performed using a standard FEA code which involves the PK method and double lattice method for calculating flutter solution and aerodynamic loads respectively. The results reveal the significance of inducing prebending to improve the stability of the blade structures, and hence, the flutter velocity has moved from 11 m/s to 23 m/s. Furthermore, the output highlights the effect of prebending on the structural stability and also the flutter limit was found to be lengthened.

Publisher

Hindawi Limited

Subject

General Engineering,General Mathematics

Link

http://downloads.hindawi.com/journals/mpe/2022/2050821.pdf

Reference34 articles.

1. A computational procedure for prebending of wind turbine blades

2. A parametric study of coupled-mode flutter for MW-size wind turbine blades

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