Second Law of Thermodynamic Analysis of the Combustion Process in a Simple Gas Turbine

Charles Mborah, Raymond Suglo

Research output: Contribution to journalArticle

Abstract

Exergy analysis provides useful means to evaluate and identify the sources of thermodynamic inefficiencies within each system component. This paper tries to analyze the combustion in a simple gas turbine system by comparing the effect of variation of species concentrations in the combustion process. Both complete and equilibrium combustion models as well as gas equilibrium software are used to perform the exergetic evaluation of the simple gas turbine system with a rated output of 50 MW. The complete combustion model involved O2, N2, CO2 and H2O while the equilibrium combustion model involved N2, O2, CO2, H2 O, CO, H2, H, O, OH and NO as the species of combustion products. The results show that the thermo-mechanical exergy rate is higher in the equilibrium combustion model than that of the complete combustion model and this increase is caused by the addition of species in the combustion product. Exergetic evaluation gave the values of 49.993 MW and 56.467 MW for the thermo-mechanical exergy rate for the complete and equilibrium combustion models respectively.
Original languageEnglish
Pages (from-to)45-54
JournalEuropean Journal of Scientific Research
Volume145
Issue number1
Publication statusPublished - 2017

Fingerprint

Second Law of Thermodynamics
Gas Turbine
turbines
combustion
Thermodynamics
thermodynamics
Combustion
turbine
Gas turbines
Gases
gases
Oil and Gas Fields
Carbon Monoxide
gas
exergy
Software
Exergy
carbon dioxide
analysis
Model

Cite this

@article{ccd8c9213f1548a380340f819f912b3f,
title = "Second Law of Thermodynamic Analysis of the Combustion Process in a Simple Gas Turbine",
abstract = "Exergy analysis provides useful means to evaluate and identify the sources of thermodynamic inefficiencies within each system component. This paper tries to analyze the combustion in a simple gas turbine system by comparing the effect of variation of species concentrations in the combustion process. Both complete and equilibrium combustion models as well as gas equilibrium software are used to perform the exergetic evaluation of the simple gas turbine system with a rated output of 50 MW. The complete combustion model involved O2, N2, CO2 and H2O while the equilibrium combustion model involved N2, O2, CO2, H2 O, CO, H2, H, O, OH and NO as the species of combustion products. The results show that the thermo-mechanical exergy rate is higher in the equilibrium combustion model than that of the complete combustion model and this increase is caused by the addition of species in the combustion product. Exergetic evaluation gave the values of 49.993 MW and 56.467 MW for the thermo-mechanical exergy rate for the complete and equilibrium combustion models respectively.",
author = "Charles Mborah and Raymond Suglo",
year = "2017",
language = "English",
volume = "145",
pages = "45--54",
journal = "European Journal of Scientific Research",
issn = "1450-202X",
publisher = "European Journals Inc.",
number = "1",

}

Second Law of Thermodynamic Analysis of the Combustion Process in a Simple Gas Turbine. / Mborah, Charles; Suglo, Raymond.

In: European Journal of Scientific Research, Vol. 145, No. 1, 2017, p. 45-54.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Second Law of Thermodynamic Analysis of the Combustion Process in a Simple Gas Turbine

AU - Mborah, Charles

AU - Suglo, Raymond

PY - 2017

Y1 - 2017

N2 - Exergy analysis provides useful means to evaluate and identify the sources of thermodynamic inefficiencies within each system component. This paper tries to analyze the combustion in a simple gas turbine system by comparing the effect of variation of species concentrations in the combustion process. Both complete and equilibrium combustion models as well as gas equilibrium software are used to perform the exergetic evaluation of the simple gas turbine system with a rated output of 50 MW. The complete combustion model involved O2, N2, CO2 and H2O while the equilibrium combustion model involved N2, O2, CO2, H2 O, CO, H2, H, O, OH and NO as the species of combustion products. The results show that the thermo-mechanical exergy rate is higher in the equilibrium combustion model than that of the complete combustion model and this increase is caused by the addition of species in the combustion product. Exergetic evaluation gave the values of 49.993 MW and 56.467 MW for the thermo-mechanical exergy rate for the complete and equilibrium combustion models respectively.

AB - Exergy analysis provides useful means to evaluate and identify the sources of thermodynamic inefficiencies within each system component. This paper tries to analyze the combustion in a simple gas turbine system by comparing the effect of variation of species concentrations in the combustion process. Both complete and equilibrium combustion models as well as gas equilibrium software are used to perform the exergetic evaluation of the simple gas turbine system with a rated output of 50 MW. The complete combustion model involved O2, N2, CO2 and H2O while the equilibrium combustion model involved N2, O2, CO2, H2 O, CO, H2, H, O, OH and NO as the species of combustion products. The results show that the thermo-mechanical exergy rate is higher in the equilibrium combustion model than that of the complete combustion model and this increase is caused by the addition of species in the combustion product. Exergetic evaluation gave the values of 49.993 MW and 56.467 MW for the thermo-mechanical exergy rate for the complete and equilibrium combustion models respectively.

M3 - Article

VL - 145

SP - 45

EP - 54

JO - European Journal of Scientific Research

JF - European Journal of Scientific Research

SN - 1450-202X

IS - 1

ER -