Results 131 to 140 of about 52,798 (257)
Computation of the modes and polar moment of inertial of the blades of an HAWT [PDF]
The coupled differential equations of motion of the blades of a horizontal axis wind turbine are solved numerically, permitting the optimization of the design at relatively low cost.
Beaulieu, G., Noiseux, D.
core +1 more source
Model-based Aeroservoelastic Design and Load Alleviation of Large Wind Turbine Blades
This paper presents an aeroservoelastic modeling approach for dynamic load alleviation in large wind turbines with trailing-edge aerodynamic surfaces. The tower, potentially on a moving base, and the rotating blades are modeled using geometrically non ...
Bossanyi E. A. +17 more
core +1 more source
ABSTRACT As wind energy continues to expand, ensuring the reliability of wind turbines is critical for optimising operational efficiency and minimising downtime. Based on maintenance data from over 1,000 onshore and offshore wind turbines covering more than 4200 operating years, this study presents an analysis of wind turbine failure behaviour over ...
Julia Walgern +3 more
wiley +1 more source
High Specification Offshore Blades. Work Package: 1C – Blade Materials. [PDF]
Blades are regarded as the only component unique to wind turbine blades. They represent only 10 – 15% of the total system cost so the perception is that a reduction in the cost of energy through blade cost improvements is constrained.
York, Christopher
core
Hidden Markov Models for Bounded, Inflated Time Series: Forecasting Icing on Wind Turbine Blades
ABSTRACT Time series analysis of icing‐induced power loss in wind turbines pose several challenges: the response is bounded, serially dependent, intermittently missing, highly dispersed, and often inflated at a single value. We address these challenges with discrete‐time hidden Markov models for a discrete‐continuous process assumed to follow a mixture
Albert S. Bisgaard +3 more
wiley +1 more source
Aerodynamic efficiency assessment of a cross-axis wind turbine integrated with an offshore deflector
The present work examines the performance of an offshore cross-axis wind turbine (CAWT) with a flow deflector by integrating numerical and analytical methods.
Sam Saham, Saber Rezaey
doaj +1 more source
Description of the 3 MW SWT-3 wind turbine at San Gorgonio Pass, California [PDF]
The SWT-3 wind turbine, a microprocessor controlled three bladed variable speed upwind machine with a 3MW rating that is presently operational and undergoing system testing, is discussed.
Rybak, S. C.
core +1 more source
An overview of wind turbine manufacturing experience in Turkey [PDF]
While wind energy has been utilized by windmills for ages, 1970s oil crises was a turning point for many developed governments to initiate massive efforts to develop modern wind turbines. Starting from almost none in early 1980s, the installed wind power
Aksit, Mahmut Faruk +3 more
core
ABSTRACT This paper presents an overview of the CONFLOWS project, a collaborative effort between DNV, Marine Power Systems (MPS) and Durham University. The project investigates the effects of wake steering from aerodynamic, structural and economic modelling perspectives, aiming to provide a comprehensive understanding of its impact on performance and ...
Mohammadreza Mohammadi +7 more
wiley +1 more source
An overview of Alcoa's wind energy program is given with emphasis on the the development of a low cost, reliable Darrieus Vertical Axis Wind Turbine System.
Ai, D. K.
core +1 more source

