نتایج جستجو برای: hydroelectric energy
تعداد نتایج: 667630 فیلتر نتایج به سال:
a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...
A stand-alone system is defined as an autonomous system that supplies electricity without being connected to the electric grid. Hybrid systems combined renewable energy source, that are never depleted (such solar (photovoltaic (PV)), wind, hydroelectric, etc.) , With other sources of energy, like Diesel. If these hybrid systems are optimally designed, they can be more cost effective and reliabl...
Solving the problem of energy dispatch in a heterogeneous complex system is not a trivial task. The problem becomes even more complex considering uncertainties in demands and energy prices. This paper discusses the development of several Economic Model Predictive Control (EMPC) based strategies for solving an energy dispatch problem in a smart micro-grid. The smart grid components are described...
In Brazil, hydroelectricity represents close to 70% of the energy consumed in country. However, hydroelectric plant operations may be affected by deposit sediments for erosive processes on reservoir margins. This study presents results implementing two semi-rigid erosion control techniques installed margins Brazilian Hydroelectric Power Plants (HPPs). These were gabion and mattress used as a mi...
The Red Rock Hydroelectric Project converted the existing Dam near Pella, Iowa, from a non-powered dam into multi-purpose dam. flood control was constructed by U.S. Army Corps of Engineers (USACE) in 1960s on Des Moines River Iowa. hydroelectric project developed Western Minnesota Municipal Power Agency and generates up to 55 MW with an average annual energy output 178 gigawatt-hours. new intak...
National government-funded payments for environmental services (PES) programs often lack sustainable financing and fail to target payments to providers of important environmental services. In principle, these problems can be mitigated by supplementing government financing with contributions from leading environmental service users. We use original survey data and official statistics to analyze ...
Climate change has a large impact on water resources and thus on hydropower. Hydroelectric power generation is closely linked to the regional hydrological situation of a watershed and reacts sensitively to changes in water quantity and seasonality. The development of hydroelectric power generation in the Upper Danube basin was modelled for two future decades, namely 2021–2030 and 2051–2060, usi...
As demand for electricity increases, investments into new generation capacity from renewable and nonrenewable sources should include assessment of global (climate) change consequences not just of the operational phase of the power plants but construction effects as well. In this paper, the global warming effect (GWE) associated with construction and operation of comparable hydroelectric, wind, ...
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