Results 111 to 120 of about 22,031,897 (220)

Determination of avoidable unaviodable exergy destructions of furnace- air preheater coupled system

open access: yesJournal of Thermal Engineering, 2016
This study was performed with the intention of giving a deeper insight about the thermodynamic effectiveness of a thermal system. In this study, a fired heater (or furnace) existing in a petrochemical plant located in Aliağa, İzmir, Turkey were ...
Selay Sert, Firuz Balkan
doaj  

Exergy costing analysis and performance evaluation of selected gas turbine power plants

open access: yesCogent Engineering, 2015
In this study, exergy costing analysis and performance evaluation of selected gas turbine power plants in Nigeria are carried out. The results of exergy analysis confirmed that the combustion chamber is the most exergy destructive component compared to ...
S.O. Oyedepo   +3 more
doaj   +1 more source

Performance and Exergy Analysis of Cryogenic Cycles

open access: yesInternational Journal of Computational and Experimental Science and Engineering
This study examines and demonstrates the concepts of thermodynamics, exergy, and exergy analysis, and shows how these principles are applied to cryogenic cycles using equations. Furthermore, an energy, exergy, and performance analyses of the two-stage vapor compression cascade cryogenic cycle for natural gas liquefaction is conducted, and optimum ...
Çeker, Hüsniye   +3 more
openaire   +3 more sources

Exergy Analysis of the Production of Lignocellulosic Ethanol

open access: yesChemical Engineering Transactions, 2011
Abstract preview not available - see full-text PDF article.
Ala Modarresi   +2 more
openaire   +2 more sources

Thermoeconomic Diagnosis of anUrban District Heating System based onCogenerative Steam and Gas Turbines [PDF]

open access: yes, 2001
The energy system diagnosis is a experimental technique applied for the detection and the location of possible anomalies. These information are obtained by comparing the values assumed by opportune variables in a operation condition with the ...
Verda, Vittorio
core   +1 more source

Fundamentals of Exergy Analysis.

open access: yesTEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan), 1994
Most of the low temperature systems such as superconducting magnets require the efficient cooling system. The irreversible loss due to the entropy generation at the low temperature must be minimized to overcome this requirement. The concept of exergy gives a useful method to know where is the main source of this entropy generation. This paper describes
openaire   +2 more sources

Exergy analysis of solar energy assisted biogas plants for Turkey

open access: yes, 2013
The energy quality of solar energy assisted biogas plants established in Izmir, Turkey was investigated in this study via exergy analysis. This study was assisted together with other energy and economy analysis of these plants.
Kocar, Gunnur, Ersoz, Ozben
core   +1 more source

Energy and Conventional Exergy Analysis of an Integrated Transcritical CO2 (R-744) Refrigeration System

open access: yes
This study analyses the performance of an integrated transcritical CO2 (R-744) refrigeration system operating in winter conditions within a supermarket in Trento, north Italy.
Engin Söylemez, Söylemez, Engin
core   +1 more source

On exergy and sustainable development—Part 2: Indicators and methods

open access: yes, 2001
This second part is the continuation of Wall and Gong [Exergy Internat. J. 1 (3) (2001), in press]. This part is an overview of a number of different methods based on concepts presented in the first part and applies these to real systems.
Mei Gong   +3 more
core   +1 more source

Conventional and advanced exergy analyses of an air-conditioning system in a subway station

open access: yes, 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

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