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Numerical Investigation of Aerodynamic Performance and Structural Analysis of a 3D J-Shaped Based Small-Scale Vertical Axis Wind Turbine

open access: yesEnergies, 2023
Small vertical axis wind turbines (VAWTs) are often considered suitable for use in urban areas due to their compact design. However, they are also well known to offer poor performance at low wind speeds, which is a common situation in such environments ...
Oriol Bel Laveda   +8 more
doaj   +1 more source

Experimental study on augmentation of mixing within a stratified indoor environment by erosion of density interface [PDF]

open access: yesE3S Web of Conferences, 2023
The current study aims to address the problem associated with warm air heating in passive houses. Warm air eating is cheaper and easy to operate in passive houses, however, this creates problems of shortcut ventilation and thermal discomfort due to ...
Kabanshi Alan   +2 more
doaj   +1 more source

Sustainability and Energy Conversions [PDF]

open access: yesMRS Bulletin, 2008
AbstractA sustainable global energy system requires a transition away from energy sources with high greenhouse emissions. Vast energy resources are available to meet our needs, and technology pathways for making this transition exist. Lowering the cost and increasing the reliability and quality of energy from sustainable energy sources will facilitate ...
Franklin M. Orr, Sally M. Benson
openaire   +1 more source

Applying PICRUSt and 16S rRNA functional characterisation to predicting co-digestion strategies of various animal manures for biogas production

open access: yesScientific Reports, 2021
An estimated 25 million tons of animal manure is produced globally every year, causing considerable impact to the environment. These impacts can be managed through the use of anaerobic digestion (AD) This process achieves waste degradation through ...
Grace N. Ijoma   +4 more
doaj   +1 more source

Planning Sustainable Energy Systems in the Southern African Development Community: A Review of Power Systems Planning Approaches

open access: yesEnergies, 2022
Southern Africa has a huge potential for renewable energy sources such as hydro, solar, wind, biomass, and geothermal. However, electricity access remains a key policy issue for most member states, with a global average access to electricity of only 54 ...
Constantino Dário Justo   +2 more
doaj   +1 more source

Anaerobic Co-Digestion of Human Feces with Rice Straw for Biogas Production: A Case Study in Sunyani

open access: yesModelling and Simulation in Engineering, 2022
The choice of feedstock for biogas production should not only be limited to organic waste like agricultural products, food, and animal waste. Human feces could also be considered a source of biogas production. The ever-increasing cost of fossil fuels and
Irédon Adjama   +4 more
doaj   +1 more source

Energy and Sustainable Development [PDF]

open access: yes, 2018
يواجه العالم تطورًا قويًا بسبب تقدم تقنيات المعلومات والاتصالات التي تضع تقنيات المعرفة في قاعدة الإنتاجية والمنافسة والقوة.
Vezzoli, Carlo   +7 more
openaire   +5 more sources

Energy and Sustainability [PDF]

open access: yesScience, 2007
![Figure][1] The theme for the 2007 annual meeting of the AAAS, to be held in San Francisco on 15 to 19 February, is “Science and Technology for Sustainable Well-Being.” The problem of energy, which is the focus of this special issue of Science linked to the meeting, looms as a central element in the web of intertwined challenges that this theme ...
openaire   +2 more sources

A Review of Factors Affecting SCC Initiation and Propagation in Pipeline Carbon Steels

open access: yesMetals, 2022
Pipelines have been installed and operated around the globe to transport oil and gas for decades. They are considered to be an effective, economic and safe means of transportation. The major concern in their operation is corrosion.
Shamsuddeen Ashurah Abubakar   +2 more
doaj   +1 more source

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