Results 11 to 20 of about 132,762 (268)

Optimal selection of time windows for preventive maintenance of offshore wind farms subject to wake losses

open access: yesWind Energy, 2023
The maintenance of wind farms is one of the major factors affecting their profitability. During preventive maintenance, the shutdown of wind turbines causes downtime energy losses.
Junqiang Zhang   +4 more
doaj   +1 more source

Effects of Sleep Loss on Waking Actigraphy [PDF]

open access: yesSleep, 2000
To assess the effect of sleep loss and the effect of a sedating drug on waking actigraphyN/A SETTING: N/A PARTICIPANTS: Seventeen healthy volunteers, aged 19-35 yrsFour night-day treatments presented in a Latin Square Design: placebo-8 hr time-in-bed (TIB), placebo-4 hr TIB, placebo-0 hr TIB, and diphenhydramine 50 mg-8 hr TIB.After the appropriate TIB,
T, Roehrs, L, Turner, T, Roth
openaire   +2 more sources

The Significance of Wind Turbines Layout Optimization on the Predicted Farm Energy Yield

open access: yesAtmosphere, 2020
Securing energy supply and diversifying the energy sources is one of the main goals of energy strategy for most countries. Due to climate change, wind energy is becoming increasingly important as a method of CO2-free energy generation.
Mohammad Al-Addous   +4 more
doaj   +1 more source

On the Wind Turbine Wake and Forest Terrain Interaction

open access: yesEnergies, 2021
Future wind power developments may be located in complex topographic and harsh environments; forests are one type of complex terrain that offers untapped potential for wind energy. A detailed analysis of the unsteady interaction between wind turbines and
Shyuan Cheng   +3 more
doaj   +1 more source

Evaluation of wake influence on high-resolution balloon-sonde measurements [PDF]

open access: yesAtmospheric Measurement Techniques, 2019
Balloons are used for various in situ measurements in the atmosphere. On turbulence measurements from rising balloons there is a potential for misinterpreting wake-created fluctuations in the trail of the balloon for atmospheric turbulence.
J. Söder   +7 more
doaj   +1 more source

Fast Processing Intelligent Wind Farm Controller for Production Maximisation

open access: yesEnergies, 2019
A practical wind farm controller for production maximisation based on coordinated control is presented. The farm controller emphasises computational efficiency without compromising accuracy.
Tanvir Ahmad   +5 more
doaj   +1 more source

Characteristics of wind turbine wake and particle transport in aeolian sand environment [PDF]

open access: yesE3S Web of Conferences, 2022
For the wind turbine wake field in the aeolian sand environment, the multiphase flow model is used to simulate the wind sand inflow and the wake of the wind turbine is simulated and calculated in combination with the actuation line model based on the ...
Sha Mandi   +3 more
doaj   +1 more source

Reliability Evaluation of Tidal Current Farm Integrated Generation Systems Considering Wake Effects

open access: yesIEEE Access, 2018
Based on a sequential Monte-Carlo simulation technique, a reliability evaluation method and several indices are proposed for tidal current farm integrated generation systems in this paper.
Zhouyang Ren   +6 more
doaj   +1 more source

Tidal mitigation of offshore wind wake effects in coastal seas

open access: yesFrontiers in Marine Science, 2022
With increasing offshore wind development, more and more marine environments are confronted with the effects of atmospheric wind farm wakes on hydrodynamic processes.
Nils Christiansen   +3 more
doaj   +1 more source

Design and Stability Analysis of an Offshore Floating Multi-Wind Turbine Platform

open access: yesInventions, 2022
The multi-wind turbine platform technology has the potential to harness the significant source of offshore wind energy in deep waters. However, the wake interference between the turbines on the multi-wind turbine platform can cause a reduction in power ...
Srikanth Bashetty, Selahattin Ozcelik
doaj   +1 more source

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