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Applied Thermal Engineering, 2022
Abstract To locate the major imperfections and determine the optimization directions for developing high-efficiency vapor compression systems, a modified exergy analysis method is proposed in this study. In contrast to previous exergy analysis methods, the proposed method can split the exergy destruction of the refrigerant and simultaneously exhibit ...
Mengdi Cui +3 more
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Abstract To locate the major imperfections and determine the optimization directions for developing high-efficiency vapor compression systems, a modified exergy analysis method is proposed in this study. In contrast to previous exergy analysis methods, the proposed method can split the exergy destruction of the refrigerant and simultaneously exhibit ...
Mengdi Cui +3 more
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On the exergy balance equation and the exergy destruction
Energy, 2016Abstract The exergy balance equation can be written expressing the useful work for a general process as depending on the useful work for the corresponding reversible process and the exergy destruction term. However, this can be made only if the terms (other than the exergy destruction term) on the exergy balance equation for the general process lead ...
V. Costa
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A comparative assessment of SPECO and MOPSA on costing of exergy destruction
International Journal of Exergy, 2020This paper presents the comparison of specific exergy costing (SPECO) and modified productive structure analysis (MOPSA) method to test their abilities on costing of exergy destruction. MOPSA method is applied to a combined supercritical CO2 regenerative
C. Uysal +3 more
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Exergy Destruction Study on Small DI Diesel Engine
, 2017In this study, energy and exergy analyses have been carried out using the experimental data for a small naturally aspirated, direct injection, single cylinder, 4 stroke diesel engine. The exergy and performance parameters were computed from the measured data. It has been found that significant exergy destruction occurs at low loads.
Veena Chaudhary, R. Gakkhar
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Exergy efficiency of a solar photovoltaic array based on exergy destructions
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2010In this article, an attempt has been made to investigate the exergetic performance of a solar photovoltaic (PV) array. A detailed energy and exergy analysis has been carried out to calculate the operating and electrical parameters, exergy destruction components, and exergy efficiency of a typical PV array.
F Sarhaddi +3 more
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Exergy destruction minimization: A principle to convective heat transfer enhancement
International Journal of Heat and Mass Transfer, 2018Abstract Enhancing convective heat transfer, by strengthening fluid disturbance, is an effective way of raising the utilization efficiency of an energy system. In this study, in order to introduce a principle for convective heat transfer enhancement, a physical quantity called available potential was defined, and an equation of available potential ...
W. Liu +4 more
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Analysis of exergy destruction in data centres
13th InterSociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, 2012IT equipment and systems, housed in data centres, consume a considerable amount of electricity. Most of the electrical energy consumed by the data centre IT equipment is released in the form of heat. From a second law of thermodynamics analysis point of view, the mixing of hot and cold air streams in the room caused by hot air recirculation is an ...
Babak Fakhim +3 more
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Integrated Study of a Minimum Exergy Destruction Building Conditioning System
Volume 6A: Energy, 2013The relatively low average conversion efficiency of air-conditioning systems and the recently imposed upper bounds to the final energy use in the heating and cooling of residential buildings suggest to consider new approaches to design less energy intensive systems.
Fabrizio Ferraro +2 more
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Calculating Endogenous and Exogenous Exergy Destruction for an Experimental Turbojet Engine
International journal of turbo & jet-engines, 2019Thermodynamic analysis that provides the status and amount of irreversibility is a powerful tool to determine performance parameters of energy conversion systems.
S. Ekici +4 more
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Endogenous and Exogenous Exergy Destruction in Thermal Systems
Advanced Energy Systems, 2006One of the roles of exergy analysis is to provide thermal system designers and operators with information useful for the system optimization. An exergy analysis identifies the sources of thermodynamic inefficiencies by evaluating the exergy destruction within each system component.
George Tsatsaronis +2 more
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