Results 51 to 60 of about 3,984 (186)
Energy and Exergy Analysis of an Organic Rankine Cycle with Internal Heat Exchanger
Mehmet Akif Ersoy Üniversitesi Fen Bilimleri Enstitüsü, 2021 In this study, energy and exergy analysis of an organic Rankine cycle with internal heat exchanger using R1234yf, R1234ze and R134a is carried out. The energy and exergy performances of an ORC system for different operating temperature have been analyzed.
Arzu ŞENCAN ŞAHİN +3 more
doaj +1 more source
Building Thermal Exergy Analysis
, 2016 The energy and environmental impacts due to energy consumption in the building sector are one of the main topics in the global energy field. A building is an energy system that uses energy sources in order to maintain its functionality and to ensure thermal indoor comfort for its occupants.
Lorenzo Leoncini, Marta Giulia Baldi
openaire +2 more sources
Energy Science &Engineering, EarlyView.A novel combined cooling and power generation system is proposed by integrating organic Rankine cycle (ORC) with an absorption heat transformer, which is driven by combining geothermal energy and data center's waste heat. The system using R601a yielded the best overall performance, achieving an exergy efficiency of 40.34% and an annual cost of 130.29 k$
Zerui Chen +4 more
wiley +1 more source
Advanced Thermodynamic Analysis and Evaluation of a Supercritical Power Plant
Energies, 2012 A conventional exergy analysis can highlight the main components having high thermodynamic inefficiencies, but cannot consider the interactions among components or the true potential for the improvement of each component.
George Tsatsaronis +3 more
doaj +1 more source
Applied Sciences, 2020 In this paper, conventional and advanced exergy analyses are comprehensively introduced on an innovative transcritical CO2 energy storage based trigeneration system.
Wenxu Sun, Zhan Liu
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Influence of Structural and Environmental Parameters on Solar Air Collector Performance
Energy Science &Engineering, EarlyView.Increasing air gap depth and mass flow rate significantly enhances the thermal performance of solar air collectors, with optimal performance achieved at an 8.5 cm air gap and 0.01318 kg/s mass flow rate. Air gap depth is identified as the dominant factor influencing system efficiency.
Quankun Zhu +2 more
wiley +1 more source
A New Numerical Approach for Exergy Targets and Losses Determination in Sub-Ambient Processes
Chemical Engineering Transactions, 2017 Sub-ambient processes such as a refrigeration system are a highly energy intensive area in chemical industries. Refrigeration systems require a high level of process cooling using a combination of compression and expansion operations.
M.N. Hamsani, P.Y. Liew, T.G. Walmsley
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
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
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Applied Sciences, 2021 Avoidable endogenous/exogenous parts of the exergy destruction in the components of an energy conversion system can be computed by applying advanced exergy analysis.
Volodymyr Voloshchuk +3 more
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