Results 21 to 30 of about 1,812,610 (208)

Wind Speed Analysis and Capacity Factor Estimation for Bergama Region [PDF]

open access: yesE3S Web of Conferences
In this research, the wind energy potential of the Bergama region is evaluated through the application of the Weibull probability distribution and corresponding capacity factor calculations.
Ozfirat Muharrem Kemal   +1 more
doaj   +1 more source

Sustainability Assessment of Alternative Energy Fuels for Aircrafts—A Life Cycle Analysis Approach

open access: yesFuels
Aviation is of crucial importance for the transportation sector and fundamental for the economy as it facilitates trade and private travel. Nonetheless, this sector is responsible for a great amount of global carbon dioxide emissions, exceeding 920 ...
Evanthia A. Nanaki, Spyros Kiartzis
doaj   +1 more source

Safety of alternative energy sources: A review

open access: yesChemical Engineering Transactions, 2022
The article summarizes a short review of the literature focused on safety in the field of alternative energy sources. With an increasing orientation towards sustainable and renewable energy sources, new technologies will come to the fore.
Vojtech Jankuj   +4 more
doaj   +1 more source

Simultaneously Distributed Generation Allocation and Network Reconfiguration in Distribution Network Considering Different Loading Levels

open access: yesIEEE Access, 2023
This paper introduces a novel application of the recently developed meta-heuristic algorithm called Geometric Mean Optimization (GMO). The algorithm combines the unique properties of the geometric mean operator in mathematics with the power loss ...
Salah Kamel   +5 more
doaj   +1 more source

The NOW dilemma [PDF]

open access: yes, 2017
Energy efficiency has found its place at the very core of the discussion in Architecture and Urban Planning. Research & Development, Political Agendas and Education Curriculums are increasingly driven by the need to reach a fair balance between the way ...
Sotoca García, Adolfo
core   +2 more sources

Drying kinetics as a new tool for the estimation of pore size of materials

open access: yesCuadernos de investigación UNED, 2014
RESUMEN: La rapidez de secado de materiales porosos es constante hasta llegar a un valor crítico de secado (xc), en donde la rapidez del proceso disminuye conforme avanza el proceso.
Julio F. Mata-Segreda
doaj   +1 more source

Outlook for alternative energy sources [PDF]

open access: yes, 1980
Predictions are made concerning the development of alternative energy sources in the light of the present national energy situation. Particular emphasis is given to the impact of alternative fuels development on aviation fuels.
Card, M. E.
core   +1 more source

Improved scheme based on memory voltage for transformer differential protection considering the effects of PLL

open access: yesIET Generation, Transmission & Distribution
The phase‐locked loop (PLL) is a critical control module applied in the control system of renewable energy sources (RESs) to synchronize with the grid voltage.
Tao Zheng   +4 more
doaj   +1 more source

Improved time-domain distance protection based on fault active control for long transmission lines of PV/BES hybrid power generation system

open access: yesInternational Journal of Electrical Power & Energy Systems
The fault current of the photovoltaic (PV)/battery energy storage (BES) hybrid power generation system contains harmonic components, which might cause the maloperation of the distance relay.
Tao Zheng   +3 more
doaj   +1 more source

Assessment of the potential for a biofuels industry in Ukraine [PDF]

open access: yesProblems and Perspectives in Management, 2018
Ukraine is the only major agricultural country whose production of biofuels has declined since 2010. Nevertheless, it has set a target of 11.5 percent of primary energy supply from biomass, biofuels and waste by 2035.
Carl Zulauf   +3 more
doaj   +1 more source

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