Being cleaner and climate friendly, wind energy has been increasingly utilized to meet the ever-growing global energy demands. In the State of Nebraska, USA, a wide gap exists between wind resource and actual energy production, and it is imperative to expand the wind energy development. Because of the formidable costs associated with wind energy development, the locations for new wind turbines ...

Of the various renewable energy resources, wind power is widely recognized as one of the most promising. The management of wind farms and electricity systems can benefit greatly from the availability of estimates of the probability distribution of wind power generation. However, most research has focused on point forecasting of wind power. In this paper, we develop an approach to producing dens...

Wind energy has become a main challenge of conventional relic fuel energy, chiefly with the flourishing operation of multi-megawatt sized wind turbines. Though, wind with sensible speed is not sufficiently sustainable all over to construct an inexpensive wind farm. The probable site has to be systematically investigated at least with respect to wind speed profile and air density. Modelling and ...

An overview is given of the environmental impacts of different PV technologies both at the present status of technology and for future technology. Crystalline silicon PV systems presently have energy pay-back times of 1.5-2 years for South-European locations and 2.7-3.5 yr for Middle-European locations. For silicon technology clear prospects for a reduction of energy input exist, and an energy ...

Decreased technological costs and increased efficiency of horizontal drilling has made obtaining natural gas from shale deposits through hydraulic fracturing a viable economic option. However, current estimates of per kWh costs to obtain natural gas through this method do not account for increased environmental risks. By incorporating damages from air and water pollution, the true cost of hydra...

Pakistan needs to overcome the cost of power generation and ever-increasing demand for energy with environment-friendly renewable resources. Several research efforts have been made support Meteorological Department in last two decades wind resource assessment (WRA) across country. However, practical installation farms is quite a fraction total forecast potential. In this feasibility, WRA Umerko...

The Gibbs free energy of mixing dissipated when fresh river water flows into the sea can be harnessed for sustainable power generation. Pressure retarded osmosis (PRO) is one of the methods proposed to generate power from natural salinity gradients. In this study, we carry out a thermodynamic and energy efficiency analysis of PRO work extraction. First, we present a reversible thermodynamic mod...

Patterns and rates of air movements in the mounds and nests of Macrotermes michaelseni were studied using tracer methods. Wind is a significant source of energy for powering nest ventilation, despite the mound being a completely enclosed structure. Nests are ventilated by a tidal movement of air driven by temporal variation in wind speed and wind direction. Density gradients sufficiently steep ...

In this paper, an assessment of the wind characteristics and power potentials in three different stations (Chuping, Kuantan Melaka) Malaysia has been analyzed at 80 m height. The technique was based on two-parameter Weibull distribution function over recent consecutive years (2018-2020) while aiming to establish potentiality as a source generation these sites. results demonstrate that monthly h...

wind power has been widely considered in recent years as an available and a clean renewable energy source. the cost of wind energy production is currently the main issue, and increasing the size of wind turbines can reduce wind energy production costs. hence, megawatt wind turbines are being rapidly developed in recent years. in this paper, an aerodynamic analysis of the nrel 5mw turbine is car...