Results 121 to 130 of about 41,313 (261)

Empirical Physics‐Based Normal Behavior Modeling of Drive Train Temperatures With High‐Resolution Wind Turbine Operating Data

Wind Energy, EarlyView.
ABSTRACT The installed wind energy capacity increases every year. However, operation and maintenance costs still make up a considerable portion of the levelized costs of electricity. This costs can be greatly reduced by the application of suitable early fault detection methods. The supervisory control and data acquisition system of wind turbines is one
Timo Lichtenstein, Victor von Maltzahn, Karoline Pelka   +2 more
wiley   +1 more source

Simulation of vertical axis wind turbine [PDF]

, 2018
Izrada geometrijskog CAD modela izvršena je u CATIA V5 programskom paketu i za definisanu geometriju izvršena je aerodinamička analiza u programu QBlade baziranom na teoriji elementa kraka lopatice. Analizom dobijenih rezultata prikazani su pokazatelji efikasnosti ispitivanog tehničkog rešenja male vetroturbine sa vertikalnom osom, pri generisanju ...
Tanović, Dragoljub, Baltić, Marija, Perić, Bojan, Kapor, Nenad   +3 more
openaire  

AI‐enabled bumpless transfer control strategy for legged robot with hybrid energy storage system

CAAI Transactions on Intelligence Technology, EarlyView.
Abstract Designing Hybrid energy storage system (HESS) for a legged robot is significant to improve the motion performance and energy efficiency of the robot. However, switching between the driving mode and regenerative braking mode in the HESS may generate a torque bump, which has brought significant challenges to the stability of the robot locomotion.
Zhiwu Huang, Zi Yu, Hui Peng, Zixuan Wang, Xiaokang Dai, Weirong Liu, Jing Wang   +6 more
wiley   +1 more source

Study of Positive Corona Discharge of Needle Plate Electrodes in Airflow

High Voltage, EarlyView.
ABSTRACT For high‐speed moving objects such as aircraft and wind turbine blades, discharge occurs under strong airflow. Research on lightning attachment characteristics has been extensive, whereas the role of corona discharge in pre‐breakdown streamer development has received less attention.
Lei Lan, Zhengxian Du, Qiang Wu, Yeqiang Deng, Yu Wang, Zeliang Wu, Xiankang Wang   +6 more
wiley   +1 more source

The policy adjacent: How affordable housing generates policy feedback among neighboring residents

American Journal of Political Science, EarlyView.
Abstract While scholars have documented feedback effects among a policy's direct winners and losers, less is known about whether such effects can occur among the indirectly affected—“the policy adjacent.” Using 458 geocoded housing developments built between two nearly identical statewide ballot propositions funding affordable housing in California, we
Michael Hankinson, Asya Magazinnik, Melissa Sands   +2 more
wiley   +1 more source

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

Fatigue &Fracture of Engineering Materials &Structures, EarlyView.
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, Santosh B. Narasimhachary, Phillip W. Gravett, Richard W. Neu, Christopher L. Muhlstein, Ashok Saxena   +5 more
wiley   +1 more source

The Comparative Political Economy of the Green Transition: Economic Specializations and Skills Regimes in Europe

Regulation &Governance, EarlyView.
ABSTRACT The green transition is fundamentally transforming contemporary economies and societies. This article investigates how European models of capitalism perform and specialize across the green value chain—conceptualized as innovation, manufacturing, services, and deployment—and how national skill formation systems underpin these specializations ...
Luca Cigna, Donato Di Carlo, Niccolò Durazzi   +2 more
wiley   +1 more source

Effect of hypoxia on muscle activation at equivalent absolute and relative intensity during incremental and constant load exercise to task failure

Experimental Physiology, EarlyView.
Abstract We examined the impact of moderate hypoxia (HYPO) on muscle activation during incremental exercise matched for both absolute and equivalent relative intensity. Fifteen active subjects (10 males, 5 females) completed two ramp incremental test and two step tests in normoxia (NORM; FiO2${F_{{\mathrm{i}}{{\mathrm{O}}_2}}}$ = 0.209) and HYPO (FiO2${
Dania Ibrahim, Youmna Elsayed Hassanein, Nathan E. Townsend   +2 more
wiley   +1 more source

Aspek-Aspek Perancangan PLTB untuk Penggunaan Rumah Tangga di Kecamatan Tembilahan Hulu [PDF]

, 2016
Tembilahan hulu is area which has a low wind speed with 4 m/s as a mean. Vertical axis wind (VAWT) turbine is more effective to low wind speed aplication with several advantages, can capture wind from any direction and simples in fabrication and cost.
\u27, R. (Rendra), Yasri, I. \u27. (Indra)   +1 more
core  

Scour‐Conditioned Seismic Fragility Analysis of Monopile‐Supported Offshore Wind Turbines

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 4, Page 947-967, 10 April 2026.
ABSTRACT Monopile‐supported offshore wind turbines (MS‐OWTs) are increasingly deployed in seismic coastal regions, where they face compound risks from earthquake loading and seabed scour. While past studies have addressed these hazards separately, seismic fragility under evolving scour conditions remains insufficiently understood. This study introduces
Francisco Pinto, Rodrigo Astroza, Felipe Vicencio, Raffaele De Risi   +3 more
wiley   +1 more source