نتایج جستجو برای: wind energy

تعداد نتایج: 731968  

2011
Joseph M. Kiesecker Jeffrey S. Evans Joe Fargione Kevin Doherty Kerry R. Foresman Thomas H. Kunz Dave Naugle Nathan P. Nibbelink Neal D. Niemuth

Wind energy offers the potential to reduce carbon emissions while increasing energy independence and bolstering economic development. However, wind energy has a larger land footprint per Gigawatt (GW) than most other forms of energy production, making appropriate siting and mitigation particularly important. Species that require large unfragmented habitats and those known to avoid vertical stru...

2013
N. RAMESH BABU P. ARULMOZHIVARMAN P. Arulmozhivarman

Wind power production has been under the main focus for the past decade in power production and tremendous amount of research work is going on renewable energy, specifically on wind power extraction. Wind power provides an ecofriendly power generation and helps to meet the national energy demand when there is a diminishing trend in terms of non-renewable resources. This paper reviews the modeli...

2012
Joseph Fargione Joseph Kiesecker M. Jan Slaats Sarah Olimb

Wind energy offers the potential to reduce carbon emissions while increasing energy independence and bolstering economic development. However, wind energy has a larger land footprint per Gigawatt (GW) than most other forms of energy production and has known and predicted adverse effects on wildlife. The Northern Great Plains (NGP) is home both to some of the world's best wind resources and to r...

2016
Zhilong Wang Chen Wang Jie Wu Francesco Nocera

Accurate quantification and characterization of a wind energy potential assessment and forecasting is significant to optimal wind farm design, evaluation and scheduling. However, wind energy potential assessment and forecasting remain difficult and challenging research topics at present. Traditional wind energy assessment and forecasting models usually ignore the problem of data pre-processing ...

2010
M. Azouz A. Shaltout

Wind energy has gained an increasing worldwide interest due to the continuous increase in fuel cost and the need to have a clean source of energy. The main objective of most of the wind energy systems is to extract the maximum power available in the wind stream. However, the wind regime varies continuously and thus the system controllers should be updated to follow these variations. This paper ...

Existing fossil fuels do not meet the needs of modern societies and are almost coming to an end. Hence, governments can respond both to the needs of the people and the industry, by investing in the use of renewable energies. As well as saving fossil fuels, natural gas and even water. According to the research, renewable energy, especially wind energy, has been used in recent years and are able ...

2016
K. Suomalainen C. Silva P. Ferrão

Increasing levels of intermittent renewables, especially wind power, in energy systems require accurate temporal characterisation of the resources’ availability at seasonal, daily and hourly scales. This is crucial for isolated energy systems, where increasing wind power penetration is limited due to costly backup power generation requirements. In the case studies presented in this paper, the e...

Journal: :فیزیک زمین و فضا 0
براتعلی فیض آبادی دانشگاه تربیت معلم سبزوار - استادیار محمود میرزایی دانشگاه اراک- استادیار ناصر حسین زاده گویا مؤسسه ژئوفیزیک دانشگاه تهران- دانشیار

the global computer simulation based on the magnetohydrodynamic (mhd) theory describes the evolution of physical conditions in the simulation domain based on measurements for each point in the solar wind. considering the size of magnetosphere and strong spatial variation of the energy transfer process, the amount of transferred energy cannot be directly measured on the surface of magnetosphere,...

2008
Andrew Kusiak

The growing demand for wind power has resulted in a market that naturally favors development of new wind farms over improvement of their performance. A chain of opportunities for performance improvement of any wind energy project parallels the supply chain activities. Raising energy and transportation costs are a complicating factor of the performance improvement projects. One of the weakest po...

2016
M. C. Lavanya S. Lakshmi

Due to notable depletion of fuel, non-conventional energy aids the present grid for Power management across the country. Wind energy indeed has major contribution next to solar. Prediction of wind power is essential to integrate wind farms into the grid. Due to intermittency and variability of wind power, forecasting of wind behavior becomes intricate. Wind speed forecasting tools can resolve t...

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