Results 51 to 60 of about 22,031,897 (220)

The Energy and Exergy of Light with Application to Societal Exergy Analysis [PDF]

open access: yesEnergies, 2020
Lighting provides an indispensable energy service, illumination. The field of societal exergy analysis considers light (and many other energy products) to be enablers of economic growth, and lighting contributes a non-negligible proportion of total useful exergy supplied to modern economies.
Heun, MK   +3 more
openaire   +4 more sources

Exergy analysis of a four pan jaggery making process

open access: yesEnergy Reports, 2018
Jaggery is a non-traditional sweetener that is produced from boiling sugarcane juice. Due to the energy intensive nature of the combustion process in jaggery making, previous studies in literature have presented various process and equipment ...
Sanober Khattak   +3 more
doaj   +1 more source

Radiative Hybrid Nanofluid Flow Over a Porous Riga Surface: A Fuzzy–ANN Modeling Approach

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study proposes a fuzzy–ANN model to investigate the nonlinear thermal transport in a tangent hyperbolic (Tanh) hybrid nanofluid flow past a porous Riga surface, considering the effects of Rosseland diffusion, chemical reactions, and internal volumetric heating.
Azad Hussain, Rabia Zetoon, Reeha Iqbal
wiley   +1 more source

Exergy-Based Sustainability Assessment of Gold Mining in Colombia: A Comparative Analysis of Open-Pit and Alluvial Mining

open access: yesEnergies
Thermodynamic methods such as exergy analysis enable the evaluation of environmental load (environmental impacts) by quantifying entropy generation and exergy destruction associated with using renewable and non-renewable resources throughout a production
Natalia A. Cano-Londoño   +3 more
doaj   +1 more source

Optimal Operation of Integrated Energy System Based on Exergy Analysis and Adaptive Genetic Algorithm

open access: yesIEEE Access, 2020
Due to the rising tensions surrounding the energy industry in response to the depletion of non-renewable energy sources and pollution of the environment, it is especially important to improve the energy utilization rate of integrated energy systems (IESs)
Haoyong Chen   +3 more
doaj   +1 more source

Potential contribution of biomass gasification‐based technology in energy transition: a technical review coupled with bibliometric studies

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biomass gasification technology has been extensively researched around the world; however, there is a need to evaluate the current research landscape and evolutionary direction of research in the broader context of energy transition. A systematic bibliometric analysis of the Web of Science database was performed for articles that fall within ...
Olasunkanmi Opeoluwa Adeoye   +5 more
wiley   +1 more source

Investigating the exergy of thermal power plant components

open access: yesJournal of Thermal Engineering
Exergy analysis has proven to be an effective approach for evaluating the performance of thermal power plants, offering insights beyond those provided by conventional energy analysis. The present work shows exergy-based performance analysis of the 250-MW
Ramesh Kumar Singh   +2 more
doaj   +1 more source

Sustainability Outlook of Thermochemical-Based Second-Generation Biofuel Production: Exergy Assessment

open access: yesApplied Sciences, 2021
Since the last century, the idea of replacing traditional fossil sources with renewable alternatives has attracted much attention. As a result, auspicious renewable biofuels, such as biohydrogen or bio-oil, have emerged as suitable options.
Samir Meramo   +2 more
doaj   +1 more source

Tandem Electrolysers for High‐Efficiency CO2‐to‐Acetate Conversion Driven by Full‐Spectrum Solar Energy

open access: yesCarbon Energy, EarlyView.
A full‐spectrum solar‐driven tandem electrolysis system enables efficient CO2‐to‐acetate conversion by spectrally splitting sunlight and coupling high‐temperature SOEC CO2‐to‐CO electrolysis with ambient CO reduction. The integrated design achieves a solar‐to‐acetate efficiency of 15.8%, demonstrating effective energy‐quality matching for solar carbon ...
Shangchun Su   +8 more
wiley   +1 more source

Assessment of Gibbs Free Energy Calculation in PI‐Controlled Heating

open access: yesChemie Ingenieur Technik, EarlyView.
For description and control of chemical processes in lab or industry thermodynamic variable Gibbs free energy provides opportunity to compare and interpret phenomena, even on a quantitative level. In a case study for PI‐controlled heating, impacts on its limits from control delay until parameter quantization are highlighted and assessed.
Jannik Dutschke   +4 more
wiley   +1 more source

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