Results 41 to 50 of about 23,083,271 (253)

Challenges, opportunities, and strategies for undertaking integrated precinct-scale energy–water system planning

open access: yes, 2022
The energy and water sectors are intrinsically linked to meet several consumer needs. A holistic analysis is required to quantify the technoeconomic and environmental benefits and impacts of energy–water interactions.
de Oliveira, Glauber Cardoso   +2 more
core   +1 more source

Multi-characterizations of the hydration, microstructure, and mechanical properties of a biochar–limestone calcined clay cement (LC3) mixture

open access: yesJournal of Materials Research and Technology, 2023
Biochar is a green material derived from agricultural waste and other biomasses via thermochemical conversion under anaerobic conditions. Improving the utilization of biochar can reduce agricultural waste and carbon emissions.
Yi-Sheng Wang, Xiao-Yong Wang
doaj   +1 more source

Key components of integrated energy system’s source side and their influence on integrated energy system

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Integrated energy supply and emerging new energy is a sign of transformation of energy system for environmental protection. This paper firstly models the key components of source side in integrated energy system. On the one hand, this paper models integrated energy supply and energy conversion devices involving multiple energy ...
Pingping Xie   +3 more
openaire   +1 more source

Energy-Preserving Integrators Applied to Nonholonomic Systems [PDF]

open access: yesJournal of Nonlinear Science, 2019
We introduce energy-preserving integrators for nonholonomic mechanical systems. We will see that the nonholonomic dynamics is completely determined by a triple $({\mathcal D}^*, Π, \mathcal{H})$, where ${\mathcal D}^*$ is the dual of the vector bundle determined by the nonholonomic constraints, $Π$ is an almost-Poisson bracket (the nonholonomic bracket)
Elena Celledoni   +3 more
openaire   +5 more sources

Techno-economic assessment of micro-algae as feedstock for renewable bio-energy production [PDF]

open access: yes, 2013
This paper determines the energy consumption ratio and overall bio-energy production costs of microalgae cultivation, harvesting and conversion to secondary energy carriers, thus helping to clarify future perspectives of micro-algae production for energy
Jonker, J.G.G.   +3 more
core   +1 more source

Effects of sodium carbonate on self-healing properties of cement–slag–limestone powder ternary cementitious material

open access: yesCase Studies in Construction Materials, 2022
Cement–slag–limestone ternary cementitious materials are cement-based materials with significant potential for applications, it exhibits extremely low carbon emissions and excellent workability. Now, to lower CO2 emissions of concrete industry the use of
Yi-Sheng Wang, Xiao-Yong Wang
doaj   +1 more source

Multi-objective optimization of energy arbitrage in community energy storage systems using different battery technologies [PDF]

open access: yes, 2019
The power system requires an additional amount of flexibility to process the large-scale integration of renewable energy sources. Community Energy Storage (CES) is one of the solutions to offer flexibility.
AlSkaif, Tarek   +7 more
core   +1 more source

Selective Recovery of Copper from Industrial Sludge by Integrated Sulfuric Leaching and Electrodeposition

open access: yesMetals, 2020
The metal-containing sludge generated from the printed circuit boards (PCBs) manufacturing has been recycled as a secondary resource of copper (Cu) rather than being treated as a hazardous solid waste.
Ha Bich Trinh   +5 more
doaj   +1 more source

Development of Forecasting Model for Machine Learning-Based Landfill Leachate Generation Using Linear Interpolation

open access: yes대한환경공학회지, 2023
Purpose : The purpose of this study is to compare single models according to the missing value handling techniques for predicting leachate generation.
Kyung-Min Kim, Johng-Hwa Ahn
doaj   +1 more source

Integrated Renewable Hydrogen Utility System [PDF]

open access: yes, 2003
Products based on Proton Exchange Membrane (PEM) technology offer a unique solution to today's energy conversion storage needs. PEM products have undergone continual development since the late 1950's for many diverse applications.
Systems, Proton Energy
core   +1 more source

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