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understanding from a large number of parametric analyses and cycle-optimization studies for any steady-flow chemically …
Persistent link: https://www.econbiz.de/10011055257
. This is achieved by functional minimization of total irreversibility using the attractor trajectory optimization approach …
Persistent link: https://www.econbiz.de/10010807978
The depletion of non-renewable natural exergy resources (the thermo-ecological cost) has been accepted as the objective … function for thermo-ecological optimization. Its general formulation has been cited. A detailed form of the objective function … optimization may have a similar form, only the cost values would be different. …
Persistent link: https://www.econbiz.de/10010807800
shown for a multi-objective optimization. In addition, a closed form equation for the relationship between exergy efficiency …Both thermoeconomic modeling and multi-objective optimization studies are undertaken for a novel integrated … produce hot water and a reverse osmosis desalination unit to produce fresh water. Energy and exergy analyses and an …
Persistent link: https://www.econbiz.de/10010808686
In this paper, the optimization of a hybrid solid oxide fuel cell–gas turbine (SOFC–GT) power plant is presented. The … design configuration. Next a S/D optimization of the plant is carried out using a traditional single-level approach, based on … a genetic algorithm. The optimization determined a set of S/D decision variable values with a capital cost significantly …
Persistent link: https://www.econbiz.de/10010809174
optimization. Enthalpy and exergy were applied for cost analysis. Exergy is generally recognized as the most reasonable criterion … analysis, and all of exergy, enthalpy, and profit are reasonable in cost optimization. Therefore, we conclude that various …Thermoeconomics, or exergoeconomics, can be classified into the three fields: cost allocation, cost optimization, and …
Persistent link: https://www.econbiz.de/10010811190
In this paper, thermoeconomic optimization and exergy analysis are applied to a CO2/NH3 cascade refrigeration cycle …. Cooling capacity, ambient temperature and cold space temperature are constraints of the optimization procedure. Four … is the total annual cost of the system which includes costs of input exergy to the system and annualized capital cost of …
Persistent link: https://www.econbiz.de/10010811801
. This paper presents an approach to the problem of exergy optimization of cogeneration systems in sugarcane mills. A general … model to the sugar and ethanol production processes is developed based on data supplied by a real plant, and an exergy … an exergy index of renewability. As a general conclusion, besides adding a new revenue to the mill, the generation of …
Persistent link: https://www.econbiz.de/10010811830
A comprehensive exergy, exergoeconomic and environmental impact analysis and optimization is reported of several … chamber, and that increasing the gas turbine inlet temperature decreases the CCPP cost of exergy destruction. The optimization … combined cycle power plants (CCPPs). In the first part, thermodynamic analyses based on energy and exergy of the CCPPs are …
Persistent link: https://www.econbiz.de/10011053423
temperature and the fuel-mass flow rate on the system exergy efficiency. Parameter optimization was achieved using a GA (genetic …) desalination system were compared based on the exergy viewpoint. In the first system, the GT and RO systems were coupled …-based exergy was conducted to evaluate the effects of the key thermodynamic parameters including the compressor inlet air …
Persistent link: https://www.econbiz.de/10011053497