Application of Thermoeconomics for CO2 Allocation for Net Power and Useful Heat in a Gas Turbine Cogeneration System

Rodrigo Guedes dos Santos; José Joaquim Conceição Soares Santos; Julio A.M. da Silva

doi:10.4028/www.scientific.net/AMM.830.95

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 830Application of Thermoeconomics for CO2 Allocation...

Application of Thermoeconomics for CO₂ Allocation for Net Power and Useful Heat in a Gas Turbine Cogeneration System

Abstract:

Thermoeconomics is a discipline that connects Thermodynamics and Economics concepts, usually used for rational cost assessment of the final products of a thermal plant, by means of a model which describes the cost formation process of the overall system. Generally, exergy or monetary costs of the external resources are distributed to the final products. However, environmental consideration can be incorporated in the models to calculate the environmental costs, such as specific CO₂ emission of each final product. This work aims at demonstrating how the thermoeconomic models can be adapted or modified in order to allocate the overall CO₂emission of a gas turbine cogeneration system to the final products (net power and useful heat), in order to determine the specific CO₂ emission (g/kWh) of each product. This subject is an important step in the applications of Life Cycle Assessment in plants with two or more products and also to quantify the environmental cogeneration advantage. It also reveals that any thermoeconomic model can be adapted for allocation of the overall CO₂ emissions or any other pollutant to the final products of a multi-product plant.

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Periodical:

Applied Mechanics and Materials (Volume 830)

Pages:

95-108

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.830.95

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Online since:

March 2016

Authors:

Rodrigo Guedes dos Santos*, José Joaquim Conceição Soares Santos, Julio A.M. da Silva

Keywords:

CO₂ Allocation, Cogeneration Systems, Thermoeconomics Modeling

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* - Corresponding Author

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