Results 51 to 60 of about 3,406,342 (222)
Exergy efficiency of ammonia production
, 2018 © 2018 eceee and the authors, Stockholm. The chemical industry is responsible for roughly 6 % of global primary energy consumption and global greenhouse gas emissions, as well as a key fossil-fuel user (Cullen and Allwood 2010). Material and energy efficiency are the focus of industrial and policy decision-makers but are often pursued as separate ...
Michalakakis, Charalampos +3 more
openaire +2 more sources
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A steady‐state numerical model is established for a continuous‐flow pH‐TRC for low‐grade waste heat recovery. Based on carbonate and bicarbonate electrolytes, the influences of operating conditions and electrode structure on pH‐driven power generation are clarified.
Jinpeng Hu +7 more
wiley +1 more source
Conventional and Advanced Exergy Analyses of Industrial Pneumatic Systems
Energies, 2023 Pneumatic systems are widely used in industrial manufacturing sectors. However, the energy efficiency of pneumatic systems is generally much lower than their hydraulic and electric counterparts.
Zecheng Zhao +4 more
doaj +1 more source
Energy Science &Engineering, EarlyView.Due to the depletion of fossil fuels, enhancing wind turbine efficiency is crucial. Utilizing airfoils with high lift‐to‐drag ratios significantly improves power generation by optimizing aerodynamic parameters. Furthermore, entropy generation analysis serves as an effective method for design optimization by minimizing energy losses and exergy ...
Mitra Yadegari
wiley +1 more source
Energy Science &Engineering, EarlyView.Glazed transpired solar collectors achieve 48–75% efficiency and 11% more seasonal heat than unglazed designs by cutting convective losses, while both offer complementary benefits for ventilation preheating and dynamic wall insulation, with paybacks of 5.5–6.8 years.
Mohammad Fawaier +7 more
wiley +1 more source
The ambient temperature influence on deaerator exergy efficiency and exergy losses [PDF]
IV International Scientific Conference Summer Session Industry 4.0: Proceedings, 2019 The exergy analysis of deaerator at three different steam power plant loads is performed in this paper. Also, the influence of the ambient temperature change on deaerator exergy efficiency and losses is analyzed. From the exergy viewpoint, deaerator operation shows the best characteristics at middle and high power plant loads.
Orović, Josip +3 more
openaire +1 more source
Energy Science &Engineering, EarlyView.This graphical abstract presents a solar‐powered reverse osmosis (RO) system for the Sundarbans, Bangladesh. Mechanistic modeling reveals a critical seasonal mismatch: during the monsoon, feed water salinity peaks (24.8 ppt) while solar irradiance drops significantly.
Debasish Sarker +3 more
wiley +1 more source
Using Exergy Analysis Methodology to Assess the Heating Efficiency of an Electric Heat Pump [PDF]
, 2006 The authors, using exergy analysis methodology, propose that it should consider not only the COP (coefficient of Performance) value of the electric power heat pump set (EPHPS/or HP set), but also the exergy loss at the heating exchanger of the HP set to ...
Duanmu, L., Shen, S., Ao, Y.
core
Conventional and advanced exergy analyses of an air-conditioning system in a subway station
, 2019 Air-conditioning systems in subway stations consume a large amount of energy. In this study, conventional and advanced exergy analyses were carried out to determine the energy-saving potential of an air-conditioning system in a subway station.
Tang, Zhihua +4 more
core +2 more sources
EnergiesThe objective of this work is to present sustainability analysis and performance evaluation of six hydropower units through exergy-based indices. The method of exergy analysis, based on the first and second laws of thermodynamics, was utilized to ...
Sharad Kumar Oli +2 more
doaj +1 more source