THERMAL SCIENCE

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Velibor V. Vujović

DETERMINING THE COMPOSITION OF HIGH TEMPERATURE COMBUSTION PRODUCTS OF FOSSIL FUEL BASED ON VARIATIONAL PRINCIPLES AND GEOMETRIC PROGRAMMING

ABSTRACT
This paper presents the algorithm and results of a computer program for calculation of complex equilibrium composition for the high temperature fossil fuel combustion products. The method of determining the composition of high temperatures combustion products at the temperatures appearing in the open cycle MHD power generation is given. The determination of combustion product composition is based on minimization of the Gibbs free energy. The number of equations to be solved is reduced by using variational principles and a method of geometric programming and is equal to the sum of the numbers of elements and phases. A short description of the computer program for the calculation of the composition and an example of the results are also given.
KEYWORDS
composition high temperature combustion products, chemical and phase equilibrium, minimization Gibbs free energy, variational principles, geometric programming
PAPER SUBMITTED: 2010-09-28
PAPER REVISED: 2010-11-18
PAPER ACCEPTED: 2010-12-23
DOI REFERENCE: https://doi.org/10.2298/TSCI100928007V
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2011, VOLUME 15, ISSUE Issue 1, PAGES [125 - 134]
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Determining the composition of high temperature combustion products of fossil fuel based on variational principles and geometric programming

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence