“A FINITE ELEMENT ANALYSIS OF WINDFARMS”
- MOHAMMAD HAIDARALI, MSc PhD DIC CEng CMarEng MIMarEST
SENIOR STRUCTURAL ENGINEER, MELLITAH OIL & GAS
- ARASH S. FALLAH, MSc PhD MRAeS MAIAA MCMSE MIMM
SENIOR LECTURER (ASSOCIATE PROFESSOR), BRUNEL UNIVERSITY LONDON
- MAZDAK TOOTKABONI, MSc PhD
ASSOCIATE PROFESSOR, UNIVERSITY OF MASSACHUSSETS DARTMOUTH, USA
Meeting to be held at
Lloyds Register, 71 Fenchurch Street London EC3M 4BS
at 17:30 for 18:15 hours (duration approximately 1 hour)
Preliminary studies show an annual average of 25% energy loss in offshore wind turbines due to rain-induced damage in rotor blades. The repair or replacement of blades is costly and the disposal of eroded blades has environmental impacts. Coating solutions are ineffective as they introduce additional accreted layers on an originally aerodynamically optimised geometry giving rise to additional drag and loss of efficiency. Therefore, improvements in the blade design are necessary. As a first step, one needs an accurate assessment of the level of erosion induced by rain in service and ultimate loading scenarios. Virtual testing using coupled computational simulations including the formulation of the fluid-structure interaction will enhance our understanding of rain-induced level of damage in wind turbine blades as well as providing an inexpensive tool to study the effect of different parameters involved. The present work focuses on this phase of the study and illustrates the different steps taken in developing a fatigue damage simulation for rain-induced erosion in wind turbine blades. The computational framework developed is capable of capturing the significant effects of all parameters involved.
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