Results 11 to 20 of about 644,124 (298)

Energy efficiency in steam using industries in Greece

open access: yesInternational Journal of Sustainable Energy, 2020
The industry sector in Greece is responsible for one-quarter of the overall total final energy consumption accounting for 3.8 Mtoe in 2015. Since 2007, a 29% decrease is noted due to the financial crisis.
Ifigenia Farrou   +6 more
doaj   +1 more source

Applications of Renewable Energy Sources in the World and the EU with a Particular Focus on Solar Energy [PDF]

open access: yes, 2016
This Energy stability and security in the world have become important issues in almost every country. These are very important for the economic, social and economic development of each country. Getting energy is crucial for the development of any country,
Karabegovic, I. (Isak)
core   +1 more source

Renewable Energy Sources

open access: yes, 2016
Sustainability concerns resulting from the consumption of natural resources, life-threatening levels of pollution, global warming, climate change and the ever-increasing worldwide energy use have brought renewable energy sources to forefront. Given the possibility of depletion of fossil fuels in the near future, the utilization of clean and renewable ...
Mahmure Övül Arıoğlu Akan   +2 more
  +6 more sources

A review on the complementarity of renewable energy sources: concept, metrics, application and future research directions [PDF]

open access: yes, 2019
It is expected, and regionally observed, that energy demand will soon be covered by a widespread deployment of renewable energy sources. However, the weather and climate driven energy sources are characterized by a significant spatial and temporal ...
Beluco, A.   +4 more
core   +2 more sources

Computational Study of Ternary Devices: Stable, Low-Cost, and Efficient Planar Perovskite Solar Cells

open access: yesNano-Micro Letters, 2018
Although perovskite solar cells with power conversion efficiencies (PCEs) more than 22% have been realized with expensive organic charge-transporting materials, their stability and high cost remain to be addressed.
Sajid Sajid   +11 more
doaj   +1 more source

Two-Stage Ultraviolet Degradation of Perovskite Solar Cells Induced by the Oxygen Vacancy-Ti4+ States

open access: yesiScience, 2020
Summary: The failure of perovskite solar cells (PSCs) under ultraviolet (UV) irradiation is a serious barrier of commercial utilization. Here, a two-stage degradation process of TiO2-based PSCs is discovered under continuous UV irradiation in an inert ...
Jun Ji   +8 more
doaj   +1 more source

Development of a Computational Fluid Dynamics (CFD) Numerical Approach of Thermoelectric Module for Power Generation

open access: yesCrystals, 2022
The recent innovations in thermoelectric generating materials have led to exceptional technologies that generate power from excess and lost heat. These technologies have proven to be of significant environmental and economic importance, especially with ...
Mohammed A. Qasim   +2 more
doaj   +1 more source

Evaluation of the Suitability of a Composite Liner System for Designing a Landfill Bioreactor on Confined Bedrock at Sammanthurai in Sri Lanka

open access: yesTropical Agricultural Research, 2011
The development of a low cost and environmentally friendly liner system is essential for countries like Sri Lanka because the high-density polyethylene liner is of high cost and much more prone to toxic conditions and failures.
R Thivyatharsan   +4 more
doaj   +1 more source

Open Dump Simulation for Estimation of Pollution Levels in Wet Tropical Climates

open access: yesTropical Agricultural Research, 2011
Leachate management is one of the major issues in rehabilitation of present dumpsites. A field scale ‘lysimeter’ study for open dump simulation of municipal solid waste with 940 kg/m3 placement density was carried out to determine decomposition pattern ...
RTK Ariyawansha   +3 more
doaj   +1 more source

TiO2 bunchy hierarchical structure with effective enhancement in sodium storage behaviors

open access: yesCarbon Energy, 2022
Bronze phase TiO2 [TiO2(B)] has great research potential for sodium storage since it has a higher theoretical capacity and ion mobility compared with other phases of TiO2.
Shen Liu   +8 more
doaj   +1 more source

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