Abstract
The aim of this study is to develop a detailed thermodynamic analysis of naphtha-based GT power plant. For this purpose, a comprehensive energy analysis followed by exergy analysis of GT1 (Naphtha) and GT2 (Naphtha & Residual fuel gas) is presented. The parameters such as exergy efficiency, physical exergy, chemical exergy and exergy destruction are evaluated considering real values of power plant control unit. Analysis pointed out that exergy destruction of GT2 is higher as compared to GT1 because of the introduction of Residual fuel gas at 92 °C. Also, this paper produces and compares Sankey and Gassman diagram for energy and exergy results of two gas turbines.
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Abbreviations
- \( c_{p} \) :
-
Specific heat at constant pressure (kJ/kg K)
- \( E_{x} \) :
-
Exergy rate (kW)
- \( h \) :
-
Specific enthalpy (kJ/kg)
- \( \dot{m} \) :
-
Mass flow rate (kg/s)
- \( P \) :
-
Pressure (kPa)
- \( R \) :
-
Gas constant (J/gK)
- \( s \) :
-
Specific entropy (kJ/kg K)
- \( T \) :
-
Temperature (K)
- \( W \) :
-
Work (kJ)
- \( \dot{W} \) :
-
Power (kW)
- η :
-
Efficiency
- \( \xi \) :
-
Ratio of chemical exergy and lower heating value of fuel
- a :
-
Air
- e :
-
Exit
- g :
-
Exhaust gas
- i :
-
Inlet
- \( o \) :
-
Dead state
- AC:
-
Air compressor
- CC:
-
Combustion chamber
- GT:
-
Gas turbine
- LHV:
-
Lower heating value
References
Rosen, M.A., Le, M.N., Dincer, I., Casas-Ledón, Y., Spaudo, F., Arteaga-Pérez, L.E., et al.: Exergoenvironmental analysis of a waste-based Integrated Combined Cycle (WICC) for heat and power production. Energy 32, 249–253 (2005)
Ersayin, E., Ozgener, L.: Performance analysis of combined cycle power plants: a case study. Renew. Sustain. Energy Rev. 43, 832–842 (2015)
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Arpit, S., Saren, S., Das, P.K., Dash, S.K. (2021). Exergy-Based Comparison of Two Gas Turbine Plants with Naphtha and Naphtha-RFG Mixture as Fuels. In: Bose, M., Modi, A. (eds) Proceedings of the 7th International Conference on Advances in Energy Research. Springer Proceedings in Energy. Springer, Singapore. https://doi.org/10.1007/978-981-15-5955-6_3
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DOI: https://doi.org/10.1007/978-981-15-5955-6_3
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Online ISBN: 978-981-15-5955-6
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