Results 11 to 20 of about 49,340 (212)

Interpretation of the exergy equation for steady-flow processes [PDF]

open access: yes, 1986
We define and discuss the terms in exergy equations, with particular reference to the role of chemical terms in the exergy loss for steady-flow processes.
Siemons, Roland V.
core   +8 more sources

Energy and Exergy Analyses of Adsorption Chiller at Various Recooling-Water and Dead-State Temperatures

open access: yesEnergies, 2021
We conducted energy and exergy analyses of an adsorption chiller to investigate the effect of recooling-water temperatures on the cooling capacity and Coefficient of Performance (COP) with variable cycle modes.
Ahmad A. Alsarayreh   +3 more
doaj   +1 more source

Investigation of intercooler-effectiveness on exergo-economic and exergo-sustainability parameters of modified Brayton cycles

open access: yesCase Studies in Thermal Engineering, 2017
The paper investigates the variants of intercooler effectiveness on exergo-economic and exergo-sustainability indicators of modified Brayton cycles. The objective is to ascertain how the variant in the intercooler effectiveness affects the exergy-based ...
Fidelis I. Abam   +3 more
doaj   +1 more source

Conventional and advanced exergy analyses of an organic Rankine cycle by using the thermodynamic cycle approach

open access: yesEnergy Science & Engineering, 2021
In this study, a basic organic Rankine cycle (ORC) is introduced in an air separation process for waste heat recovery. Conventional and advanced exergy analyses are adopted to investigate the thermodynamic properties of components in the ORC.
Yi Wang   +6 more
doaj   +1 more source

Energy and Exergy Analysis of Internal Combustion Engine Performance of Spark Ignition for Gasoline, Methane, and Hydrogen Fuels [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
Exergy analysis is a tool to determine the share of processes involved in transferring input functionality to the system and where the useful energy loss occurs in a system or process. In this study, an exergy comparison of the performance of an internal
Nima Norouzi   +4 more
doaj   +1 more source

Advanced Exergy Analysis in the Dynamic Framework for Assessing Building Thermal Systems [PDF]

open access: yes, 2019
This work applies the Dynamic Advanced Exergy Analysis (DAEA) to a heating and domestic hot water (DHW) facility supplied by a Stirling engine and a condensing boiler. For the first time, an advanced exergy analysis using dynamic conditions is applied to
Picallo-Perez, Ana   +3 more
core   +1 more source

Exergy analysis of a PWR nuclear steam supply system - II part: a case study [PDF]

open access: yes, 2018
The paper shows the results of the exergetic analysis of the Nuclear Steam Supply System (NSSS) of the MARS Pressurized Light Water Reactor using the theoretical methodology described in the authors’ previous works [1] and [2].
Ferroni, Luisa, Natale, Antonio
core   +1 more source

Studies of the unavoidable exergy loss rate and analysis of influence parameters for pipeline transportation process

open access: yesCase Studies in Thermal Engineering, 2018
According to the exergy balance relationship among the various items in the crude oil transportation process system, the exergy balance equation is established and each exergy loss is calculated.
Qinglin Cheng   +6 more
doaj   +1 more source

Multiobjective genetic algorithm strategies for electricity production from generation IV nuclear technology [PDF]

open access: yes, 2010
Development of a technico-economic optimization strategy of cogeneration systems of electricity/hydrogen, consists in finding an optimal efficiency of the generating cycle and heat delivery system, maximizing the energy production and minimizing the ...
Azzaro-Pantel, Catherine   +5 more
core   +2 more sources

Analysis and Optimization of Exergy Flows inside a Transcritical CO2 Ejector for Refrigeration, Air Conditioning and Heat Pump Cycles

open access: yesEnergies, 2019
In this study, the exergy analysis of a CO2 (R744) two-phase ejector was performed using a 1D model for both single and double choking conditions. The impact of the back pressure on the exergy destruction and exergy efficiencies was presented to evaluate
Sahar Taslimi Taleghani   +2 more
doaj   +1 more source

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