Showing 1 - 10 of 29
The collective behavior of wind farms in seven Independent System Operator (ISO) areas has been studied. The generation duration curves for each ISO show that there is no aggregated power for some fraction of time. Aggregation of wind turbines mitigates intermittency to some extent, but in each...
Persistent link: https://www.econbiz.de/10011263319
Wind turbine wakes have significant effects on the production efficiency and fatigue loads, and these effects should be considered in the optimization of wind turbine structure and wind farm layouts. In this paper, a numerical model combining Lagrangian dynamic large-eddy models and actuator...
Persistent link: https://www.econbiz.de/10011263365
Given the significant water-energy problems associated with many remote and arid areas of the planet, most studies, projects and developments of installations for the production of fresh water using desalination technologies powered by renewable energy sources have focussed on small-scale...
Persistent link: https://www.econbiz.de/10011116052
Critical materials as well as rare earth elements and precious metals such as platinum, gold and silver are used significantly for computer hard disk drives, mobile phones, hybrid electric vehicles, batteries, renewable energy system and many other applications. It is therefore important to...
Persistent link: https://www.econbiz.de/10011116107
Short duration wind variations affect real time performance of active pitch-regulated wind turbines in two ways as evident from reported experimental and empirical studies. First the mean output power, which may be referred to as the short duration output power, differs significantly from the...
Persistent link: https://www.econbiz.de/10010729364
This work aims to assess the Weather and Research Forecasting (WRF) model wind simulation and wind energy production estimates sensitivity to different planetary boundary layer parameterization schemes. Five WRF simulations considering different sets of planetary boundary layer (PBL) and surface...
Persistent link: https://www.econbiz.de/10011076355
Many recent patents worldwide address the concept of harvesting wind energy from aerodynamic losses in motorways, however the mechanics of a specific device dedicated to the task has never been described. The lack of a characterization of the energy resource likely explains why the international...
Persistent link: https://www.econbiz.de/10010930670
Wind measurements are generally performed below wind turbine hub heights due to higher measurement and tower costs. In order to obtain the wind speed at the hub height of the turbine, the measurements are extrapolated, assuming that the wind shear is constant. This assumption may result in some...
Persistent link: https://www.econbiz.de/10011040405
The performance of the WRF mesoscale model in the wind simulation and wind energy estimates was assessed and evaluated under different initial and boundary forcing conditions. Due to the continuous evolution and progress in the development of reanalyses datasets, this work aims to compare an...
Persistent link: https://www.econbiz.de/10011040441
Most of the islands and small regions worldwide have no conventional energy sources, but plenty renewable energy resources, mainly wind and solar. Therefore, it is crucial to determine their wind potential as a first step of the energy planning. For this purpose, a methodology based on GIS...
Persistent link: https://www.econbiz.de/10011040487