Results 171 to 180 of about 251,691 (297)

Comparison of blade loads of fixed and free yawing wind turbine [PDF]

open access: yes
The self regulating composite bearingless wind turbine utilizes an automatic pitch control concept and a completely unrestrained yawing degree of freedom.
Bielawa, R. L., Cheney, M. C.
core   +1 more source

Effects of Hold Time on the Elevated Temperature Fatigue Crack Growth Behavior of Alloy 247LC‐DS

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 5, Page 1794-1808, May 2026.
ABSTRACT Creep–fatigue crack growth (CFCG) experiments were performed at 850°C and 950°C on nominally 12.70‐mm‐thick compact‐type specimens of alloy 247LC‐DS, a Ni‐base superalloy. The loading cycles consisted of trapezoidal waveforms with hold times of 2 and 20 min at the maximum force.
Zachary B. Towner   +5 more
wiley   +1 more source

Effect of Matrix Properties on Quasi‐Static and Fatigue Properties of Thermosetting Polyurethane and Its GFRP Composites

open access: yesFatigue &Fracture of Engineering Materials &Structures, Volume 49, Issue 5, Page 1929-1943, May 2026.
ABSTRACT In this study, the influence of resin cross‐link density on thermomechanical properties and fatigue behavior of polyurethane resins and glass fiber‐reinforced polyurethane (PUR‐GFRP) composites was investigated. This material is a candidate for renewable energy applications like rotor blades in wind turbines.
Martin Demleitner   +5 more
wiley   +1 more source

Performance of a steel spar wind turbine blade on the Mod-0 100 kW experimental wind turbine [PDF]

open access: yes
The performance and loading of a large wind rotor, 38.4 m in diameter and composed of two low-cost steel spar blades were examined. Two blades were fabricated at Lewis Research Center and successfully operated on the Mod-0 wind turbine at Plum Brook. The
Keith, T. G., Jr.   +2 more
core   +1 more source

Dynamic blade loading in the ERDA/NASA 100 kW and 200 kW wind turbines [PDF]

open access: yes
Dynamic blade loads, including aerodynamic, gravitational, and inertial effects, are presented for two large horizontal-axis wind turbines: the ERDA-NASA 100 kW Mod-0 and 200 kw Mod-0A wind power systems.
Janetzke, D. C.   +2 more
core   +1 more source

RESEARCH ON STRUCTURAL DESIGN OF 5 MW VERTICAL AXIS WIND TURBINE

open access: yesJixie qiangdu
Vertical axis wind turbines have gradually become a research hotspot due to their ease of scalability, but the research involving structural aspects is relatively limited.Therefore, a blade and strut composite layup design solution was proposed to meet ...
ZHU Haibo   +4 more
doaj  

Description of the 3 MW SWT-3 wind turbine at San Gorgonio Pass, California [PDF]

open access: yes
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

Thermal-stress analysis for wood composite blade [PDF]

open access: yes
The thermal-stress induced by solar insolation on a wood composite blade of a Mod-OA wind turbine was investigated. The temperature distribution throughout the blade (a heat conduction problem) was analyzed and the thermal-stress distribution of the ...
Fu, K. C., Harb, A.
core   +1 more source

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