scholarly journals Numerical investigation of rain droplet impact on offshore wind turbine blades under different rainfall conditions: A parametric study

2020 ◽  
Vol 241 ◽  
pp. 112096 ◽  
Author(s):  
Amrit Shankar Verma ◽  
Saullo G.P. Castro ◽  
Zhiyu Jiang ◽  
Julie J.E. Teuwen
Keyword(s):  
Wind Turbine ◽  
Numerical Investigation ◽  
Parametric Study ◽  
Turbine Blades ◽  
Droplet Impact ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades

Flapwise Bending Vibration Analysis of Rotating Tapered Rayleigh Beams for the Application of Offshore Wind Turbine Blades

2021 ◽  
Vol 35 (4) ◽  
pp. 544-553
Author(s):  
Yan-fei Chen ◽  
Zhi-peng Zang ◽  
Shao-hua Dong ◽  
Chuan Ao ◽  
Hao Liu ◽  
...  
Keyword(s):  
Wind Turbine ◽  
Vibration Analysis ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Bending Vibration

Smart Loads Management for Damaged Offshore Wind Turbine Blades

2015 ◽  
Vol 39 (4) ◽  
pp. 419-436 ◽  
Author(s):  
Phillip W. Richards ◽  
D. Todd Griffth ◽  
Dewey H. Hodges
Keyword(s):  
Wind Turbine ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades

Design and Optimization of Composite Offshore Wind Turbine Blades

2019 ◽  
Vol 141 (5) ◽  
Author(s):  
M. Tarfaoui ◽  
O. R. Shah ◽  
M. Nachtane
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Wind Turbine ◽  
Turbine Blade ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Skin Thickness ◽  
Wind Turbine Blades ◽  
Element Analysis

In order to obtain an optimal design of composite offshore wind turbine blade, take into account all the structural properties and the limiting conditions applied as close as possible to real cases. This work is divided into two stages: the aerodynamic design and the structural design. The optimal blade structural configuration was determined through a parametric study by using a finite element method. The skin thickness, thickness and width of the spar flange, and thickness, location, and length of the front and rear spar web were varied until design criteria were satisfied. The purpose of this article is to provide the designer with all the tools required to model and optimize the blades. The aerodynamic performance has been covered in this study using blade element momentum (BEM) method to calculate the loads applied to the turbine blade during service and extreme stormy conditions, and the finite element analysis was performed by using abaqus code to predict the most critical damage behavior and to apprehend and obtain knowledge of the complex structural behavior of wind turbine blades. The approach developed based on the nonlinear finite element analysis using mean values for the material properties and the failure criteria of Hashin to predict failure modes in large structures and to identify the sensitive zones.

scholarly journals Rain erosion-resistant coatings for wind turbine blades: A review

2019 ◽  
Vol 27 (8) ◽  
pp. 443-475 ◽  
Author(s):  
Arash Dashtkar ◽  
Homayoun Hadavinia ◽  
M Necip Sahinkaya ◽  
Neil A Williams ◽  
Samireh Vahid ◽  
...  
Keyword(s):  
Wind Turbine ◽  
Energy Production ◽  
Critical Role ◽  
Turbine Blades ◽  
Solid Particles ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Testing Procedures ◽  
Rain Erosion

Wind blades are the most expensive parts of wind turbines made from fibre-reinforced polymer composites. The blades play a critical role on the energy production, but they are prone to damage like any other composite components. Leading edge (LE) erosion of the wind turbine blades is one of the common damages, causing a reduction in the annual energy production especially in offshore wind turbine farms. This erosion can be caused by rain, sand and flying solid particles. Coating the blade against erosion using appropriate materials can drastically reduce these losses and hence is of great interest. The sol–gel technique is a convenient method to manufacture thin film coatings, which can protect the blades against the rain erosion, while having negligible effect on the weight of the blades. This article provides an extensive review of the liquid erosion mechanism, water erosion testing procedures and the contributing factors to the erosion of the LE of wind turbine blades. Techniques for improving the erosion resistance of the LE using carbon nanotubes and graphene nano-additives are also discussed.

scholarly journals Numerical study of a concept for major repair and replacement of offshore wind turbine blades

Wind Energy ◽  
2020 ◽  
Vol 23 (8) ◽  
pp. 1673-1692
Author(s):  
Wilson Guachamin‐Acero ◽  
Zhiyu Jiang ◽  
Lin Li
Keyword(s):  
Wind Turbine ◽  
Numerical Study ◽  
Turbine Blades ◽  
Offshore Wind ◽  
Offshore Wind Turbine ◽  
Wind Turbine Blades ◽  
Major Repair
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