Results 81 to 90 of about 13,732 (215)

Thermodynamic analysis of a novel fossil-fuel–free energy storage system with a trans-critical carbon dioxide cycle and heat pump [PDF]

open access: yes, 2020
This paper presents and analyzes a novel fossil-fuel–free trans-critical energy storage system that uses CO2 as the working fluid in a closed loop shuttled between two saline aquifers or caverns at different depths: one a low-pressure reservoir and the ...
Hao, Y   +4 more
core   +1 more source

Energetic and exergetic analysis of combined cycle power plant: Part-1 operation and performance [PDF]

open access: yes, 2015
Energetic and exergetic analyses are conducted using operating data for Sabiya, a combined cycle power plant (CCPP) with an advanced triple pressure reheat heat recovery steam generator (HRSG).
Al-Mutawa, Nawaf   +2 more
core   +2 more sources

Exergy‐Based Simulation and Optimization of Multiagent MSW Gasification for Sustainable Energy Recovery Using Aspen Plus

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Thermochemical gasification is one of the most efficient methods for producing solid waste synthesis gas. Therefore, to predict and analyze the process of gasification of municipal solid waste (MSW) in a downdraft fixed‐bed gasification reactor with a thermal capacity of 2.1 kW, a comprehensive numerical modeling approach based on Gibbs free ...
Mohammad Reza Gharib   +2 more
wiley   +1 more source

Energy, exergy and advanced exergy analyses on Garri “1” combined cycle power plant of Sudan

open access: yesInternational Journal of Thermofluids
Thermal power plants account for 39 % of Sudan’s electricity grid. Consequently, enhancing the performance of these plants is crucial for bolstering the Sudanese energy sector.
Adil A.M. Omara   +2 more
doaj   +1 more source

Exergy Analysis of Complex Ship Energy Systems

open access: yesEntropy, 2016
With multiple primary and secondary energy converters (diesel engines, steam turbines, waste heat recovery (WHR) and oil-fired boilers, etc.) and extensive energy networks (steam, cooling water, exhaust gases, etc.), ships may be considered as complex ...
Pierre Marty   +3 more
doaj   +1 more source

Energy and Exergy Analysis of a CI engine fuelled with biodiesel fuel from palm kernel oil and its blends with petroleum diesel [PDF]

open access: yes, 2017
Exergy analysis method has been widely used in the design, simulation and performance assessment of various types of engines for identifying losses and efficiencies.
A, I. H. (Iortyer), Bwonsi, L. (Likita)
core   +1 more source

Comparative Experimental Efficiency of Solar Water Heating Systems With Enhanced Thermal Performance: A Review

open access: yesEnergy Science &Engineering, EarlyView.
This review presents a comparative analysis of experimental studies aimed at improving the thermal efficiency of solar water heating (SWH) systems. Various enhancement techniques, including nanofluids, phase change materials, optimized collector designs, and hybrid photovoltaic–thermal systems, are evaluated based on their impact on system performance ...
Oluwaseyi O. Alabi   +2 more
wiley   +1 more source

Advanced Thermodynamic Analysis Applied to an Integrated Solar Combined Cycle System

open access: yesEnergies, 2018
The variation performance of integrated solar combined cycle (ISCC) is presented using energy, conventional exergy and advanced exergy analysis methods to provide information about exergy destruction of components and efficiencies of overall plant ...
Shucheng Wang   +3 more
doaj   +1 more source

Environmental Thermoeconomic Performance Analysis of Gas Steam Combined Cycle With Different Inlet Air Cooling Technologies

open access: yesEnergy Science &Engineering, EarlyView.
This study establishes an environmental thermoeconomic cost model to investigate the impact of two IAC technologies on the performance of a GSCC from three aspects of energy, economy, and environment. Under arid climate conditions, the SEC technology demonstrates superior performance in terms of cost‐effectiveness and environmental impact.
Zhen Wang, Li Zhang, Yu Ni, Liqiang Duan
wiley   +1 more source

Investigating the Iron‐Steam Process for Coupling With SOEC and SOFC: A Step Toward Integrated Hydrogen and Electricity Storage

open access: yessteel research international, EarlyView.
Fixed‐bed reactor experiments (10 L) validate the iron–steam redox process, bridging material‐scale research and industrial power‐to‐power applications. Coupled with SOEC/SOFC systems, this framework defines critical interfaces for heat and gas management. Results confirm reproducible hydrogen storage and release, demonstrating technical feasibility at
Julien Göthel   +2 more
wiley   +1 more source

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