Effect of Gas-Properties Evaluation Method on the Optimum Point of Gas Turbine Cycles

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International Journal of Thermodynamics
Volume:8 Issue:2
Effect of Gas-Properties Evaluation Method on the Optimum Point of Gas Turbine Cycles

Effect of Gas-Properties Evaluation Method on the Optimum Point of Gas Turbine Cycles

Authors : Christos FRANGOPOULOS, George DİMOPOULOS

Pages : 95-102

View : 35 | Download : 10

Publication Date : 2005-06-01

Article Type : Research Paper

Abstract :Recent work has revealed that the assumption regarding the behavior of gases insert ignore into journalissuearticles values(perfect, ideal, real); and, consequently, the way their properties are evaluated may alter critically the picture obtained about the performance of gas turbine systems. This fact prompted an investigation of how the aforementioned assumption may affect the optimal design point of gas turbine systems. The present study is restricted to a comparison between the ideal and perfect gas assumption. Three systems have been selected for study and three optimization problems have been formulated and solved for each system: two thermodynamic and one thermoeconomic. The results demonstrate that the method used for the evaluation of properties of gases has a very significant effect on the optimal point of each system. The article is published with the permission of the organizers of ECOS 2005, where it was first presented
Keywords : gas properties, gas turbine cycles, optimization, thermoeconomics

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