Abstract
A conventional and advanced exergy analysis of a turbofan engine is presented in this paper. In this framework, the main exergy parameters of the engine components are introduced while the exergy destruction rates within the engine components are split into endogenous/exogenous and avoidable/unavoidable parts. Also, the mutual interdependencies among the components of the engine and realistic improvement potentials depending on operating conditions are acquired through the analysis. As a result of the study, the exergy efficiency values of the engine are determined to be 25.7 % for actual condition, 27.55 % for unavoidable condition and 30.54 % for theoretical contion, repectively. The system has low improvement potential because the unavoidable exergy destruction rate is 90 %. The relationships between the components are relatively weak since the endogenous exergy destruction is 73 %. Finally, it may be concluded that the low pressure compressor, the high pressure compressor, the fan, the low pressure compressor, the high pressure compressor and the combustion chamber of the engine should be focused on according to the results obtained.
Funding statement: Any funding source does not used for this paper.
References
1. Whitelegg J, Cambridge H. Aviation and Sustainability. ISBN: 9188714918. Stokholm Environment Institute. Lilla Nygaton 1, box 2142, SE-10314, Stockholm. July 2004.Search in Google Scholar
2. Rosen MA. Assessing energy technologies and environmental impacts with the principles of thermodynamics. Appl Energy 2002;72:427–41.10.1016/S0306-2619(02)00004-1Search in Google Scholar
3. Turan O. Some exergetic measures of a JT8D turbofan engine. J Autom Control Eng 2014;2(2):110–14.10.12720/joace.2.2.110-114Search in Google Scholar
4. Erbay Z, Hepbasli A. Application of conventional and advanced exergy analyses to evaluate the performance of a ground-source heat pump (GSHP) dryer used in food drying. Energy Convers Manage 2014;78:499–507.10.1016/j.enconman.2013.11.009Search in Google Scholar
5. Koch C, Cziesla F, Tsatsaronis G. Optimization of combined cycle power plants using evolutionary algorithms. Chem Eng Process 2007;46:1151–9.10.1016/j.cep.2006.06.025Search in Google Scholar
6. Kelly S, Tsatsaronis G, Morosuk T. Advanced exergetic analysis: approaches for splitting the exergy destruction into endogenous and exogenous parts. Energy 2009;34:384–91.10.1016/j.energy.2008.12.007Search in Google Scholar
7. Morosuk T, Tsatsaronis G. Advanced exergy analysis for chemically reacting systems–application to a simple open gas-turbine system. Int J Therm 2009;12(3):105–11.Search in Google Scholar
8. Morosuk T, Tsatsaronis G. Advanced exergetic evaluation of refrigeration machines using different working fluids. Energy 2009;34:2248–58.10.1016/j.energy.2009.01.006Search in Google Scholar
9. Petrakopoulou F, Tsatsaronis G, Morosuk T, Carassai A. Conventional and advanced exergetic analyses applied to a combined cycle power Plant. Energy 2012;4:146–52.10.1016/j.energy.2011.05.028Search in Google Scholar
10. Söhret Y, Ekici S, Altuntas O, Hepbasli A, Karakoc TH. Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: a key review. Prog Aerosp Sci 2016;83:57–69.10.1016/j.paerosci.2016.03.001Search in Google Scholar
11. Balli O, Aras H, Aras N, Hepbasli A. Exergetic and exergoeconomic analysis of an Aircraft Jet Engine (AJE). Int J Exergy 2008;5(5/6):567–81.10.1504/IJEX.2008.020826Search in Google Scholar
12. Ehyaei MA, Anjiridezfuli A, Rosen MA. Exergetic analysis of an aircraft turbojet engine with an afterburner. Therm Sci 2013;17(4):1181–94.10.2298/TSCI110911043ESearch in Google Scholar
13. Balli O. Afterburning effect on the energetic and exergetic performance of an experimental turbojet engine (TJE). Int J Exergy 2014;14(2):212–43.10.1504/IJEX.2014.060278Search in Google Scholar
14. Ekici S, Sohret Y, Coban K, Altuntas O, Karakoc TH. Performance evaluation of an experimental turbojet engine. Int J Turbo Jet Eng 2016. ISSN (online):2191-0332, ISSN (Print): 0334–0082. DOI:10.1515/tjj–2016–0016.10.1515/tjj-2016-0016Search in Google Scholar
15. Ekici S, Sohret Y, Coban K, Altuntas O, Karakoc TH. Sustainability metrics of a small scale turbojet engine. Int I Turbo Jet Eng 2016. ISSN (online):2191-0332, ISSN (Print): 0334–0082. DOI:10.1515/tjj–2016–0036.10.1515/tjj-2016-0036Search in Google Scholar
16. Yucer CT. Thermodynamic analysis of the part load performance for a small scale gas turbine jet engine by using exergy analysis method. Energy 2016;111:251–9.10.1016/j.energy.2016.05.108Search in Google Scholar
17. Balli O. Advanced exergy analyses to evaluate the performance of a military aircraft turbojet engine (TJE) with afterburner system: splitting exergy destruction into unavoidable/avoidable and endogenous/exogenous. Appl Therm Eng 2017;111:152–69.10.1016/j.applthermaleng.2016.09.036Search in Google Scholar
18. Aydin H, Turan O, Karakoc TH, Midilli A. Component-based exergetic measures of the an experimental turboprop/turboshaft engine for propeller aircrafts and helicopters. Int J Exergy 2012;11(3):322–48.10.1504/IJEX.2012.050228Search in Google Scholar
19. Aydin H, Turan O, Midilli A, Karakoc TH. Exergetic and exergo-economic analysis of a turboprop engine: a case study for CT7-9C. Int J Exergy 2012;11(1):69–82.10.1504/IJEX.2012.049089Search in Google Scholar
20. Balli O, Hepbasli A. Energetic and exergetic analyses of T56 turboprop engine. Energy Convers Manag 2013;73:106–20.10.1016/j.enconman.2013.04.014Search in Google Scholar
21. Atılgan R, Turan O, Altuntas O, Aydın H, Synylo K. Environmental impact assessment of a turboprop engine with the aid of exergy. Energy 2013;58:664–71.10.1016/j.energy.2013.05.064Search in Google Scholar
22. Aydin H, Turan O, Karakoc TH, Midilli A. Exergo-sustainability indicators of a turboprop aircraft for the phases of a flight. Energy 2013;58:550–60.10.1016/j.energy.2013.04.076Search in Google Scholar
23. Balli O, Hepbasli A. Exergoeconomic, sustainability and environmental damage cost analyses of T56 turboprop engine. Energy 2014;64:582–600.10.1016/j.energy.2013.09.066Search in Google Scholar
24. Baklacioglu T, Turan O, Aydin H. Dynamic modeling of exergy efficiency of turboprop engine components using hybrid genetic algorithm-artificial neural networks. Energy 2015;86:709–21.10.1016/j.energy.2015.04.025Search in Google Scholar
25. Sohret Y, Sogut MZ, Karakoc TH, Turan O. Customised application of exergy analysis method to PW120A turboprop engine for performance evaluation. Int. J. Exergy 2016;20(1):48–65.10.1504/IJEX.2016.076678Search in Google Scholar
26. Ekici S, Altuntas O, Acikkalp E, Sogut MZ, Karakoc TH. Assessment of thermodynamic performance and exergetic-sustainability of turboprop en gine using mixture of kerosene and methanol. Int. J. Exergy 2016;19(3):295–314.10.1504/IJEX.2016.075666Search in Google Scholar
27. Turgut ET, Karakoc TH, Hepbasli A. Exergetic analysis of an aircraft turbofan engine. Int J Energy Res 2007;31(14):1383–97.10.1002/er.1310Search in Google Scholar
28. Struchtrup H, Elfring GJ. Externallossesinhigh-bypassturbofanairengines. Int. J.Exergy 2008;5:400–12.10.1504/IJEX.2008.019112Search in Google Scholar
29. Turgut ET, Karakoc TH, Hepbasli A, Rosen MA. Exergy analysis of a turbofan aircraft engine. Int J Exergy 2009;6(2):181–99.10.1504/IJEX.2009.023997Search in Google Scholar
30. Turgut ET, Karakoc TH, Hepbasli A. Exergoeconomic analysis of an aircraft turbofan engine. Int J Exergy 2009;6(3):277–94.10.1504/IJEX.2009.025322Search in Google Scholar
31. Tona C, Raviolo PA, Pellegrini LF, Oliveria JrS. Exergy and thermodynamic analysis of a turbofan engine during a typical commercial flight. Energy 2010;35(2):952–9.10.1016/j.energy.2009.06.052Search in Google Scholar
32. Turan O. Effect of reference altitudes for a turbofan engine with the aid of specific-exergy based method. Int J Exergy 2012;11:252–70.10.1504/IJEX.2012.049738Search in Google Scholar
33. Hassan HZ. Evaluation of the local exerg ydestruction in the intake and fan of a turbofan engine. Energy 2013;63:245–51.10.1016/j.energy.2013.10.062Search in Google Scholar
34. Turan O, Aydin H, Karakoc TH, Midilli A. Some exergetic measures of a JT8D turbofan engine. J Autom Control Eng 2014;2:110–14.10.12720/joace.2.2.110-114Search in Google Scholar
35. Tai VC, See PC, Mares C. Optimisation of energy and exergy of turbofan engines using genetic algorithms. Int J Sustainable Aviat 2014;1:25–42.10.1504/IJSA.2014.062866Search in Google Scholar
36. Aydin H, Turan O, Karakoc TH, Midilli A. Sustainability assessment of PW6000 turbofan engine: an exergeti capproach. Int J Exergy 2014;14:388–412.10.1504/IJEX.2014.061025Search in Google Scholar
37. Sohret Y, Dinc A, Karakoc TH. Exergy analysis of a turbofan engine for an unmanned aerial vehicle during a surveillance emission. Energy 2015;93:716–29.10.1016/j.energy.2015.09.081Search in Google Scholar
38. Aydin H, Turan O, Karakoc TH, Midilli A. Exergetic sustainability indicators as a tool in commercial aircraft: a case study for a turbofan engine. Int J Green Energy 2015;12:28–40.10.1080/15435075.2014.889004Search in Google Scholar
39. Sohret Y, Acikkalp E, Hepbasli A, Karakoc TH. Advanced exergy analysis of an aircraft gas türbine engine: splitting exergy destructions into parts. Energy 2015;90:1219–28.10.1016/j.energy.2015.06.071Search in Google Scholar
40. Turan O. An exergy way to quantify sustainability metrics for a high bypass turbofan engine. Energy 2016;86:722–36.10.1016/j.energy.2015.04.026Search in Google Scholar
41. Kaya N, Turan O, Midilli A, Karakoc TH. Exergetic sustainability improve ment potentials of a hydrogen fueled turbofan engine UAV by heating its fuel with exhaust gasses. Int J Hydrogen Energy 2016;41(19):8307–22.10.1016/j.ijhydene.2015.08.089Search in Google Scholar
42. Altuntas O, Karakoc TH, Hepbasli A. Exergoenvironmental analysis of pistonprop aircrafts. Int J Exergy 2012;10(3):290–8.10.1504/IJEX.2012.046816Search in Google Scholar
43. Altuntas O, Karakoc TH, Hepbasli A. Exergetic, exergoeconomic and sustainability assessment of piston-prop aircraft engine. Int J Therm Sci Technol 2012;32:133–43.Search in Google Scholar
44. Bill G. Jane’s Aero-Engines. ISBN: 0710614055. Jane’s Information Group Limited, Sential House, 163, Brighton Road, Coulsdon, Surrey CR5 2NH, Printed Pear Tree Image Processing, Stevenage, Herts. UK. 1996.Search in Google Scholar
45. Cengel YA, Boles MA. Thermodynamics: an engineering approach, 8th ed. 2 Penn Plaza, New York, NY 10121: McGraw-Hill Education, 2014. ISBN-978-0-07-339817-4.Search in Google Scholar
46. Kotas TJ. The exergy method of thermal plant analysis, Reprint ed. Malabar: Kieger, 1995.Search in Google Scholar
47. Rakopoulos CD, Giakoumis EG. Second-law analyses applied to internal combustion engines operations. Prog Energy Combust Sci 2006;32:2–47.10.1016/j.pecs.2005.10.001Search in Google Scholar
48. Vatani A, Mehrpooya M, Palizdar A. Advanced exergetic analysis of five natural gas liquefaction processes. Energy Convers Manage 2014;78:720–37.10.1016/j.enconman.2013.11.050Search in Google Scholar
49. Morosuk T, Tsatsaronis G. A new approach to the exergy analysis of absorption refrigeration machines. Energy 2008;33:890–907.10.1016/j.energy.2007.09.012Search in Google Scholar
51. Torres C, Valero A, Serra L, Royo J. Structural theory and thermoeconomic diagnosis: part I. On malfunction and dysfunction analysis. Energy Convers Manage 2002;43:1503–18.10.1016/S0196-8904(02)00032-8Search in Google Scholar
52. Tsatsaronis G, Morosuk T. Advanced exergetic analysis of a novel system for generating electricity and vaporizing liquefied natural gas. Energy 2010;35:820–9.10.1016/j.energy.2009.08.019Search in Google Scholar
53. Morosuk T, Tsatsaronis G. Comparative evaluation of LNG-based cogeneration systems using advanced exergetic analysis. Energy 2011;36(6):3771–8.10.1016/j.energy.2010.07.035Search in Google Scholar
54. Morosuk T, Tsatsaronis G, Zhang C. Conventional thermodynamic and advanced exergetic analysis of a refrigeration machine using a Voorhees’ compression process. Energy Convers Manage 2012;60:143–51.10.1016/j.enconman.2012.02.021Search in Google Scholar
55. Tsatsaronis G, Morosuk T. Advanced exergetic analysis of a refrigeration system for liquefaction of natural gas. Int J Energy Environ Eng 2010;1:1–17.Search in Google Scholar
56. Zh W, Zhang B, Sh Wu, Chen Q, Tsatsaronis G. Energy-use analysis and evaluation of distillation systems through avoidable exergy destruction and investment costs. Energy 2012;42:424–33.10.1016/j.energy.2012.03.026Search in Google Scholar
57. Karimi MN, Kamboj SK. Exergy destruction and chemical irreversibilities during combustion in spark-ignition engine using oxygenated and hydrocarbon fuels. Int J Mech Ind Eng 2012;2(3):7–11.10.47893/IJMIE.2013.1117Search in Google Scholar
58. Tsatsaronis G, Morosuk T, Koch D, Sorgenfrei M. Understanding the thermodynamic inefficiencies in combustion processes. Energy 2013;62:3–11.10.1016/j.energy.2013.04.075Search in Google Scholar
© 2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original Research Articles
- Numerical Study of Combinations of Strut and Cavity in a Round Supersonic Combustor
- Design and Numerical Analysis of a Forepart Rotation Vane for a Variable Nozzle Turbine
- Aerodynamic Efficiency Optimization of the 1st Stage of Transonic High Pressure Turbine through Lean and Sweep Angles
- The Effect of Dilution Air Jets on Aero-Engine Combustor Performance
- Simulation of a High Fidelity Turboshaft Engine-Alternator Model for Turboelectric Propulsion System Design and Applications
- Effects of Non-axisymmetric Casing Grooves Combined with Airflow Injection on Stability Enhancement of an Axial Compressor
- Exhaust System for Radial and Axial-Centrifugal Compressor with Pipe Diffuser
- Advanced Exergy Analysis of a Turbofan Engine (TFE): Splitting Exergy Destruction into Unavoidable/Avoidable and Endogenous/Exogenous
- A Preliminary Design System for Turbine Discs
- Tensile Behavior and Microstructural Evolution of the Polycrystalline Nickel-Based Superalloy Applied in Turbine Disk
Articles in the same Issue
- Frontmatter
- Original Research Articles
- Numerical Study of Combinations of Strut and Cavity in a Round Supersonic Combustor
- Design and Numerical Analysis of a Forepart Rotation Vane for a Variable Nozzle Turbine
- Aerodynamic Efficiency Optimization of the 1st Stage of Transonic High Pressure Turbine through Lean and Sweep Angles
- The Effect of Dilution Air Jets on Aero-Engine Combustor Performance
- Simulation of a High Fidelity Turboshaft Engine-Alternator Model for Turboelectric Propulsion System Design and Applications
- Effects of Non-axisymmetric Casing Grooves Combined with Airflow Injection on Stability Enhancement of an Axial Compressor
- Exhaust System for Radial and Axial-Centrifugal Compressor with Pipe Diffuser
- Advanced Exergy Analysis of a Turbofan Engine (TFE): Splitting Exergy Destruction into Unavoidable/Avoidable and Endogenous/Exogenous
- A Preliminary Design System for Turbine Discs
- Tensile Behavior and Microstructural Evolution of the Polycrystalline Nickel-Based Superalloy Applied in Turbine Disk