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A Parametric Study with Exergy Cost Sensitivity Analysis and Life-Cycle Assessment for a Cogeneration Steam Power Cycle

Malik F. Elmzughi*, Elham Musa Radwan **, Mawadda A. Bahoor ***, Elhadi Ibrahim Dekam ****

*-**** Department of Mechanical and Industrial Engineering, Faculty of Engineering, University of Tripoli, Tripoli, Libya.

Periodicity:November - January'2021
DOI : https://doi.org/10.26634/jps.8.4.17928

Abstract

In this paper, exergy, exergoeconomic, and exergy cost sensitivity analyses of a cogeneration steam power plant cycle and a parametric study were carried out based on the exergy cost theory. The mathematical models were developed and presented regarding mass, energy, exergy, and economy. The thermodynamic properties and research analyses are done by employing the THERMAX, EXCEL and MathWorks software packages. The analyses leads to have valuable economic status benchmarks. The exergoeconomic factor, total cost of exergy loss, and unit cost of steam and cost of work were determined. The parametric study has been conducted, considering the effects of the annual working number of hours, interest rate, boiler maximum temperature, and environmental temperature. The exergoeconomic factor, total cost, unit costs of work and steam, rise with the escalation in the interest rate, while they drop with the rise in the annual working number of hours. The exergoeconomic factor and total cost are 0.5 and 9,000 $/h, respectively, for the considered normal operating status, while the unit costs of work and steam are 0.025 $/kWh and 0.035 $/kWh, respectively, for an interest rate of 14%. The achieved present results could lead site engineers, operators, and management to effectively establish an upgrade for the energy-related cycle performance.

Keywords

Energy, Exergy, Exergy Destruction, Energetic Efficiency, Exergoeconomic Factor, Total Cost, Sensitivity Analysis.

How to Cite this Article?

Elmzughi, M. F., Radwan, E. M., Bahoor, M. A., and Dekam, E. I. (2021). A Parametric Study with Exergy Cost Sensitivity Analysis and Life-Cycle Assessment for a Cogeneration Steam Power Cycle. i-manager's Journal on Power Systems Engineering, 8(4), 18-28. https://doi.org/10.26634/jps.8.4.17928

References

[1]. Ahmadi, P., Dincer, I., & Rosen, M. A. (2011). Exergy, exergoeconomic and environmental analyses and evolutionary algorithm based multi-objective optimization of combined cycle power plants. Energy, 36(10), 5886- 5898. https://doi.org/10.1016/j.energy.2011.08.034

[2]. Bejan, A., Tsatsaronis, G., & Moran, M. (1996). Thermal design and optimization. Singapore: A Wiley-Interscience Publication.

[3]. Bolatturk, A., Coskun, A., & Geredelioglu, C. (2015). Thermodynamic and exergoeconomic analysis of Çayırhan thermal power plant. Energy Conversion and Management, 101, 371-378. https://doi.org/10.1016/j.en conman.2015.05.072

[4]. Ehyaei, M. A., Mozafari, A., & Alibiglou, M. H. (2011). Exergy, economic & environmental (3E) analysis of inlet fogging for gas turbine power plant. Energy, 36(12), 6851- 6861.

[5]. El-Emam, R. S., & Dincer, I. (2013). Exergy and exergoeconomic analyses and optimization of geothermal organic Rankine cycle. Applied Thermal Engineering, 59(1-2), 435-44.

[6]. Elmzughi, M. F., Radwan, E. M., Bahoor, M. A., & Dekam, E. I. (2020a). Part load 2nd law analyses of, 3- pressure stage turbines with 6 heaters, 350 MW power plants. Journal of Research in Mechanical Engineering, 6(1), 25-33.

[7]. Elmzughi, M. F., Radwan, E. M., Bahoor, M. A., & Dekam, E. I. (2021). Exergoeconomic and optimization analyses of cogeneration steam power plants based on the specific exergy costing approach. i-manager's Journal on Future Engineering & Technology, 16(2).

[8]. Elmzughi, M. F., Radwan, E. M., Bahoor, M. A., & Dekam, E. I. (2020b). Advanced exergoeconomic and exergy cost sensitivity analyses of steam power plants. International Journal of Scientific Engineering and Applied Science, 6(8), 16-32.

[9]. El-Sayed, Y. M., & Gaggioli, R. A. (1989). A critical review of second law costing methods I: Background and algebraic procedures. Journal of Energy Resource Technology, 111(1), 1–7. https://doi.org/10.1115/1.3231396

[10]. Fudholi, A., Sopian, K., Othman, M. Y., Ruslan, M. H., & Bakhtyar, B. (2013). Energy analysis and improvement potential of finned double-pass solar collector. Energy Conversion and Management, 75, 234-240. https://doi. org/10.1016/j.enconman.2013.06.021

[11]. Huguet, J., & Woodbury, K., & Taylor, R. (2008, June). Development of Excel add in modules for use in thermodynamics curriculum: Steam and ideal gas properties. In 2008, Annual Conference & Exposition, Pittsburgh, Pennsylvania. https:/doi.org/10.18260/1-2--4023

[12]. Lazzaretto, A., & Andreatta, R. (1995). Algebraic formulation of a process-based exergy-costing method. In Symposium on Thermodynamics and the Design, Analysis, and Improvement of Energy Systems (Vol. 35, pp. 395-403). ASME New York.

[13]. Li, Y., & Liu, L. (2012). Exergy analysis of 300 MW coalfired power plant. Energy Procedia, 17, 926-932. https:// doi.org/10.1016/j.egypro.2012.02.189

[14]. Lozano, M. A., & Valero, A. (1993). Theory of the exergetic cost. Energy, 18(9), 939-960.

[15]. Mahan, K., & Huguet, J., & Chappell, J., & Woodbury, K., & Taylor, R. (2009, June). Excel In Me: Extending And Refining Ubiquitous Software Tools. In 2009, Annual Conference & Exposition, Austin, Texas. https:/doi.org/10. 18260/1-2--5780

[16]. Manesh, M. K., Navid, P., Baghestani, M., Abadi, S. K., Rosen, M. A., Blanco, A. M., & Amidpour, M. (2014). Exergo economic and exergo environmental evaluation of the coupling of a gas fired steam power plant with a total site utility system. Energy Conversion and Management, 77, 469-483. https://doi.org/10.1016/j.enconman.2013.09. 053

[17]. Mert, M. S., Dilmaç, Ö. F., Özkan, S., Karaca, F., & Bolat, E. (2012). Exergoeconomic analysis of a cogeneration plant in an iron and steel factory. Energy, 46(1), 78-84. https://doi.org/10.1016/j.energy.2012.03.046

[18]. Radwan, E. M., & Bahoor, M. A. (2020). Advanced exergoeconomic and exergy cost sensitivity analyses of 350 MW steam power plants. International Journal of Scientific Engineering and Applied Science, 6(8), 16-32.

[19]. Sahoo, P. K. (2008). Exergoeconomic analysis and optimization of a cogeneration system using evolutionary programming. Applied Thermal Engineering, 28(13), 1580-1588. https://doi.org/10.1016/j.applthermaleng.20 07.10.011

[20]. Selbaş, R., Yazici, H., & Şencan, A. (2010). Thermoeconomic optimization of the steam power plant. International Journal of Energy and Environmental Engineering, 1(3), 479-486.

[21]. The University of Alabama. (2019). Excel in Mechanical Engineering. Retrieved from http://www.me.ua. edu/excelinme/index.htm

[22]. Tsatsaronis, G. & Lin L. (1990). On exergy costing in exergoeconomis. In Tsatsaronis, G. Bajura, R. M., Kenney, W. F. & Reistad, G. M. (Eds), Computer-aided energy systems analysis, (Vol. 21). New York, NY: ASME.

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