Results 61 to 70 of about 74,669 (264)
Load response of a two‐rotor floating wind turbine undergoing blade‐pitch system faults
Wind Energy, 2023 Multi‐rotor floating wind turbines are among the innovative technologies proposed in the last decade in the effort to reduce the cost of wind energy.
Omar El Beshbichi +2 more
doaj +1 more source
Analysis of a Novel Brushless Doubly Fed Reluctance Generator Based Wind Energy Conversion System
Energy Science &Engineering, EarlyView.BDFRG based grid connected wind energy conversion system. ABSTRACT This paper presents a grid connected Brushless Doubly‐Fed Reluctance Generator (BDFRG) based wind energy conversion system. It offers a reliable and cost‐effective solution since its brushless and cage‐less rotor structure eliminates the need for slip rings, reducing maintenance costs ...
Subir Datta +6 more
wiley +1 more source
Analytical studies of new airfoils for wind turbines [PDF]
, 1981 Computer studies were conducted to analyze the potential gains associated with utilizing new airfoils for large wind turbine rotor blades. Attempts to include 3-dimensional stalling effects were inconclusive.
Calhoun, J. T., Wentz, W. H., Jr.
core +1 more source
Energy Science &Engineering, EarlyView.To investigate the influence of discharge valve opening on the self‐priming characteristics of a self‐priming pump, numerical calculations are conducted for four different discharge valve openings based on a circulation piping system. The hydraulic performance and the internal flow characteristics during self‐priming process are obtained.
Yu‐Liang Zhang +3 more
wiley +1 more source
Enhancement of Savonius Wind Turbine Performance Through Blade Optimization [PDF]
Journal of Applied Fluid MechanicsThe objective of this study is to create an innovative blade design that enhances the power efficiency of the Savonius rotors. This is achieved by optimizing the blade shape of the traditional Savonius rotor using the ANSYS Adjoint solver program.
O. Hazar +3 more
doaj +1 more source
Energy Science &Engineering, EarlyView.This paper aims to provide a robust design approach for HAWTs operating in shear flow. This study fills a critical research gap by integrating BEM and vortex theories for blade design in non‐homogeneous inflow conditions. The authors of the paper made an effort to develop and test an experimentally unsophisticated model of a turbine working in shear ...
Agnieszka Dorota Woźniak +2 more
wiley +1 more source
Investigations on Blade Tip Tilting for Hawt Rotor Blades Using CFD
International Journal of Green Energy, 2014 The main purpose of this paper is to study the aerodynamic effects of blade tip tilting on power production of horizontal-axis wind turbines by using Computational Fluid Dynamics (CFD). For validation and as a baseline rotor, the NREL Phase VI wind turbine rotor blade is used.
Elfarra, Monier A. +2 more
openaire +4 more sources
Concepts for a theoretical and experimental study of lifting rotor random loads and vibrations. Phase 6-A: Effects of blade torsion, of blade flap bending flexibility and of rotor support flexibility on rotor stability and random response [PDF]
The effects of lifting rotor blade torsion, blade flap bending flexibility and rotor support flexibility on rotor stability and random response are described.
Hohenemser, K. H., Yin, S. K.
core +1 more source
A novel approach to structural load control using intelligent actuators [PDF]
, 2009 The recent trend towards large multi-MW wind turbines resulted in the role of the control system becoming increasingly important. The extension of the role of the controller to alleviate structural loads has motivated the exploration of novel control ...
Dominguez, S. +4 more
core +1 more source
Wind Resource Evaluation With Atmospheric Stability Across Different Surface Types
Energy Science &Engineering, EarlyView.Wind resource evaluation with atmospheric stability across different surface types. ABSTRACT This study investigates the influence of atmospheric stability on wind resource assessment across various surface conditions, focusing on wind shear and prevailing wind direction as key analytical parameters.
Zejia Hua, Wei Tao, Guanjun Wang
wiley +1 more source