Results 1 to 10 of about 1,187,961 (293)

Scanning electron microscopy datasets for local fibre volume fraction determination in non-crimp glass-fibre reinforced composites

open access: yesData in Brief, 2021
The fatigue damage evolution depends on the local fibre volume fraction as observed in the co-submitted publication [1]. Conventionally, fibre volume fractions are determined as an averaged overall fibre volume fraction determined from small cuts of the ...
Lars P. Mikkelsen   +3 more
doaj   +1 more source

Land-based wind turbines with flexible rail-transportable blades – Part 2: 3D finite element design optimization of the rotor blades [PDF]

open access: yesWind Energy Science, 2022
Increasing growth in land-based wind turbine blades to enable higher machine capacities and capacity factors is creating challenges in design, manufacturing, logistics, and operation. Enabling further blade growth will require technology innovation.
E. Camarena   +5 more
doaj   +1 more source

Wind field reconstruction from nacelle-mounted lidar short-range measurements [PDF]

open access: yesWind Energy Science, 2017
Profiling nacelle lidars probe the wind at several heights and several distances upstream of the rotor. The development of such lidar systems is relatively recent, and it is still unclear how to condense the lidar raw measurements into useful wind ...
A. Borraccino   +3 more
doaj   +1 more source

Progress in the validation of rotor aerodynamic codes using field data [PDF]

open access: yesWind Energy Science, 2023
Within the framework of the fourth phase of the International Energy Agency (IEA) Wind Task 29, a large comparison exercise between measurements and aeroelastic simulations has been carried out featuring three simulation cases in axial, sheared and yawed
K. Boorsma   +22 more
doaj   +1 more source

A six-beam method to measure turbulence statistics using ground-based wind lidars [PDF]

open access: yesAtmospheric Measurement Techniques, 2015
A so-called six-beam method is proposed to measure atmospheric turbulence using a ground-based wind lidar. This method requires measurement of the radial velocity variances at five equally spaced azimuth angles on the base of a scanning cone and one ...
A. Sathe, J. Mann, N. Vasiljevic, G. Lea
doaj   +1 more source

Wind Speed Forecast for Sudan Using the Two-Parameter Weibull Distribution: The Case of Khartoum City

open access: yesWind, 2023
In this quick study, we estimated the Weibull distribution’s parameters using wind data collected between March 2017 and January 2018 using a twelve-meter mast meteorological station on the grounds of the National Energy Research Center in Khartoum.
Abubaker Younis   +7 more
doaj   +1 more source

An intercomparison of mesoscale models at simple sites for wind energy applications [PDF]

open access: yesWind Energy Science, 2017
Understanding uncertainties in wind resource assessment associated with the use of the output from numerical weather prediction (NWP) models is important for wind energy applications.
B. T. Olsen   +4 more
doaj   +1 more source

Validation of Aeroelastic Actuator Line for Wind Turbine Modelling in Complex Flows

open access: yesFrontiers in Energy Research, 2022
The actuator line method is a widely used technique to model wind turbines in computational fluid dynamics, as it significantly reduces the required computational expense in comparison to simulations using geometrically resolved blades.
Emily L. Hodgson   +6 more
doaj   +1 more source

Two Level Control Strategy for Independent AC/DC Hybrid Microgrid Based on Integrated Control [PDF]

open access: yesE3S Web of Conferences, 2021
Aiming at the independent AC/DC microgrid, a simple and effective multi time scale control strategy is proposed by adopting the combination of day ahead scheduling and real-time control.
Liu Hanmin   +7 more
doaj   +1 more source

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

open access: yes, 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.
Al Hmidan, Sahil   +4 more
core   +1 more source

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