Results 31 to 40 of about 818 (175)

Advanced exergy analysis on varying climate conditions for a 3 MW S-CO2 Brayton cycle system

Case Studies in Thermal Engineering
Aiming at the problem that conventional exergy analysis cannot provide comprehensive insights into exergy destruction, advanced exergy analysis was conducted on the supercritical CO2 cycle. A more detailed breakdown of exergy destruction was revealed. In
Zhen Wang, Decai Zhao, Bo Wang, Xiang Xu
doaj   +1 more source

Advance Exergo-Economic Analysis of a Waste Heat Recovery System Using ORC for a Bottoming Natural Gas Engine

Energies, 2020
This manuscript presents an advanced exergo-economic analysis of a waste heat recovery system based on the organic Rankine cycle from the exhaust gases of an internal combustion engine. Different operating conditions were established in order to find the
Guillermo Valencia Ochoa, Jhan Piero Rojas, Jorge Duarte Forero   +2 more
doaj   +1 more source

Advanced Exergy Analysis on the Turbofan Engine

Journal of Novel Engineering Science and Technology
Studies on energy utilization underscore the paramount importance of energy, as evidenced by numerous researchers. This research encompasses both conventional and advanced exergy analyses. Advanced exergy analysis aims to ascertain the extent of energy loss in each component, influenced by irreversibility, and to account for component interactions ...
Feni Indriyati, Cokorda Prapti Mahandari, Mohamad Yamin   +2 more
openaire   +1 more source

From continuous to interruptible distillation: Flexible electric heating column architecture with fast start‐up

AIChE Journal, EarlyView.
Abstract Electrification of distillation offers a promising route to reducing scope‐1 emissions from one of the chemical industry's most energy‐intensive unit operations. However, conventional adiabatic columns are dynamically inflexible: Long, energy‐intensive start‐ups make shutdown and restart impractical under variable electricity prices and ...
Samuel Mercer, Michael Baldea
wiley   +1 more source

In-Depth Exergy Analysis of the Thermochemical Conversion of Flax Straw via Pyrolysis

Eng
Pyrolysis is a promising thermochemical conversion process for transforming biomass waste into valuable products like bio-oil, syngas, and biochar. Understanding the thermodynamic efficiency of this process is important for optimizing its design and ...
Aknur Temireyeva, Yerbol Sarbassov, Dhawal Shah   +2 more
doaj   +1 more source

Evaluation of the ejector two-stage compression refrigeration cycle with work performance from energy, conventional exergy and advanced exergy perspectives

Energy Reports, 2022
Low temperature cold chain is the top priority of logistics development at this stage. CO2 (carbon dioxide) refrigeration system is widely used. However, the low efficiency of CO2 refrigeration system is the biggest obstacle to its development.
Dazhang Yang, Zhu Jie, Qing Zhang, Yang Li, Jing Xie   +4 more
doaj   +1 more source

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

Asia-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

Advanced Exergy Analysis of Ultra-Low GWP Reversible Heat Pumps for Residential Applications

Energies, 2023
Exergy-based methods provide engineers with the best information with respect to options for improving the overall thermodynamic efficiency of an energy conversion system.
Volodymyr Voloshchuk, Paride Gullo, Eugene Nikiforovich   +2 more
doaj   +1 more source

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

Biofuels, 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, Electo Eduardo Silva Lora, Rubenildo Vieira Andrade, Leonardo Peña Pupo, René Lesme Jaén, Osvaldo José Venturini   +5 more
wiley   +1 more source

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

Carbon 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, Zongkang Wang, Jianhong Liu, Xiangyu Liu, Zhan Wu, Zhenyu Tian, Feifei Wang, Wenjia Li, Jian Jin   +8 more
wiley   +1 more source