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TURBOJET MOTORLAR İÇİN PERFORMANS DEĞERLENDİRME PARAMETRELERİ

Year 2017, Volume: 1 Issue: 1, 32 - 38, 25.07.2017
https://doi.org/10.30518/jav.323866

Abstract

Son yıllarda havacılık
sanayi ve havayolu ulaşımı her geçen gün hızla büyüme göstermekte ve
ilerlemektedir. Bu durum hem hava araçlarındaki enerji tüketiminin hem de
çevresel etkilerinin artışına yol açmaktadır. Dolayısıyla, başta uçaklar olmak
üzere pek çok hava aracında kullanılan turbojet motorlarının performansları
irdelenmesi gereken bu konudur. Geliştirilmekte olan bir turbojet motorun
performans değerlendirmesi neticesinde gerçek çalışma koşulları ile tasarım
aşamasında öngörülen performans kıyaslanabilmektedir. Diğer yandan işletilmekte
olan bir turbojet motor için kullanılan performans değerlendirme parametreleri
söz konusu motorun bakım ve revizyon gereksinimini ortaya koyabilmektedir. Bu
çalışmada sunulan performans değerlendirme parametreleri ayrıca bir turbojet
motor için belirlenmiştir. İncelenen turbojet motor için özgül yakıt tüketimi
3,916.10-5 kg.N-1.s-1 olarak bulunmuştur.
Diğer yandan motora ait diğer performans parametreleri olan itki verimi, ısıl
verimi toplam verimi ve ekserji verimi sırasıyla %57, %45, %25 ve %8 olarak
belirlenmiştir.

References

  • Çoban, K., Çolpan, C.Ö., Karakoç, T.H., (2016). Bir Helikopter Motorunun Enerji ve Ekserji Analizi. Sürdürülebilir Havacılık Araştırmaları Dergisi, 1, 27-39.
  • Ekici, S., Altuntas, O., Açıkkalp, E., Sogut, M. Z., Karakoc, T.H., (2016). Assessment of thermodynamic performance and exergetic sustainability of turboprop engine using mixture of kerosene and methanol, International Journal of Exergy, 19, 295-314.
  • El-Sayed, A.F., (2008). Aircraft propulsion and gas turbine engines. CRC Press.
  • Gunston, B., (2006). The development of jet and turbine aero engines, 4th Ed., Haynes Publishing.
  • Jiang, J., (2015). A factor decomposition analysis of transportation energy consumption and related policy implications, IATSS Research, 38, 142-148.
  • Mattingly, J.D., (2006). Elements of propulsion: gas turbines and rockets. American Institute of Aeronautics and Astronautics Publication.
  • Mendez, C. J., Parthasarathy, R.N., Gollahalli, S.R., (2014). Performance and emission characteristics of butanol/Jet A blends in a gas turbine engine, Applied Energy, 118, 135-140.
  • Onal, O., Turan, O., (2016). Calculation and Comparison of a Turbofan Engine Performance Parameters with Various Definitions. International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering, 10, 1677-1681.
  • Şöhret, Y., Dinç, A., Karakoç, T.H., (2015). Exergy analysis of a turbofan engine for an unmanned aerial vehicle during a surveillance mission, Energy, 93, 716-729.
  • Şöhret, Y., Ekici, S., Altuntaş, Ö., Hepbasli, A., Karakoç, T. H., (2016). Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: A key review, Progress in Aerospace Sciences, 83, 57-69.
  • Şöhret, Y., Karakoç, T.H., (2014). Gaz Türbinli Uçak Motorlarının Termodinamik Modellenmesi, Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi, 1, 29-36.
  • Şöhret, Y., Sogut, M. Z., Karakoc, T. H., Turan, O., 2016. Customised application of exergy analysis method to PW120A turboprop engine for performance evaluation, International Journal of Exergy, 20, 48-65.
  • Turan, Ö., Karakoç, T. H., (2009). Ardyanmalı Ve Ayrık Akışlı Turbofanlarda Fan Basınç Oranı Ve Bypass Oranıyla Toplam Verimin Değişiminin İncelenmesi, Havacılık ve Uzay Teknolojileri Dergisi, 4, 67-76.
  • Turan, Ö., Orhan, İ., Karakoç, T.H., (2008). Yüksek Bypasslı Turbofan Motorlarının Tasarım Noktası Analizleri, Havacılık ve Uzay Teknolojileri Dergisi, 3, 1-8.
  • US EIA, (2016). International Energy Outlook 2016 With Projections to 2040, U.S. Energy Information Administration Press.
  • Utlu, Z., Hepbaşlı, A., (2006). Assessment of the energy utilization efficiency in the Turkish transportation sector between 2000 and 2020 using energy and exergy analysis method, Energy Policy, 34, 1611-1618.
  • Whittle, F., (1945). The first james clayton lecture: the early history of the whittle jet propulsion gas turbine, Proc. Inst. Mech. Eng., 152, 419–435.

PERFORMANCE EVALUATION PARAMETERS FOR TURBOJET ENGINES

Year 2017, Volume: 1 Issue: 1, 32 - 38, 25.07.2017
https://doi.org/10.30518/jav.323866

Abstract

In the last decade Aviation industry and air transportation has been
growing rapidly and advances day by day. It yields increase of both energy
consumption and environmental impact of the aerial vehicles. So that, the
performance of the turbojet engines being used to power many aerial vehicles,
particularly aircrafts, is an essential issue to be treated. As a result of
performance assessment of a newly developed turbojet engine actual operating
and on-design performance can be compared. 
On the other hand evaluating a turbojet engine in service may reveal the
maintenance and revision requirement of the engine. In the current study,
introduced performance evaluation parameters are also determined for a turbojet
engine. Thrust specific fuel consumption of the engine under question is found
to be 3,916.10-5 kg.N-1.s-1 whereas propulsion
efficiency, thermal efficiency, overall efficiency and exergy efficiency are
calculated to be 57%, 45%, 25% and 8% respectively

References

  • Çoban, K., Çolpan, C.Ö., Karakoç, T.H., (2016). Bir Helikopter Motorunun Enerji ve Ekserji Analizi. Sürdürülebilir Havacılık Araştırmaları Dergisi, 1, 27-39.
  • Ekici, S., Altuntas, O., Açıkkalp, E., Sogut, M. Z., Karakoc, T.H., (2016). Assessment of thermodynamic performance and exergetic sustainability of turboprop engine using mixture of kerosene and methanol, International Journal of Exergy, 19, 295-314.
  • El-Sayed, A.F., (2008). Aircraft propulsion and gas turbine engines. CRC Press.
  • Gunston, B., (2006). The development of jet and turbine aero engines, 4th Ed., Haynes Publishing.
  • Jiang, J., (2015). A factor decomposition analysis of transportation energy consumption and related policy implications, IATSS Research, 38, 142-148.
  • Mattingly, J.D., (2006). Elements of propulsion: gas turbines and rockets. American Institute of Aeronautics and Astronautics Publication.
  • Mendez, C. J., Parthasarathy, R.N., Gollahalli, S.R., (2014). Performance and emission characteristics of butanol/Jet A blends in a gas turbine engine, Applied Energy, 118, 135-140.
  • Onal, O., Turan, O., (2016). Calculation and Comparison of a Turbofan Engine Performance Parameters with Various Definitions. International Journal of Mechanical, Aerospace, Industrial, Mechatronic and Manufacturing Engineering, 10, 1677-1681.
  • Şöhret, Y., Dinç, A., Karakoç, T.H., (2015). Exergy analysis of a turbofan engine for an unmanned aerial vehicle during a surveillance mission, Energy, 93, 716-729.
  • Şöhret, Y., Ekici, S., Altuntaş, Ö., Hepbasli, A., Karakoç, T. H., (2016). Exergy as a useful tool for the performance assessment of aircraft gas turbine engines: A key review, Progress in Aerospace Sciences, 83, 57-69.
  • Şöhret, Y., Karakoç, T.H., (2014). Gaz Türbinli Uçak Motorlarının Termodinamik Modellenmesi, Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi, 1, 29-36.
  • Şöhret, Y., Sogut, M. Z., Karakoc, T. H., Turan, O., 2016. Customised application of exergy analysis method to PW120A turboprop engine for performance evaluation, International Journal of Exergy, 20, 48-65.
  • Turan, Ö., Karakoç, T. H., (2009). Ardyanmalı Ve Ayrık Akışlı Turbofanlarda Fan Basınç Oranı Ve Bypass Oranıyla Toplam Verimin Değişiminin İncelenmesi, Havacılık ve Uzay Teknolojileri Dergisi, 4, 67-76.
  • Turan, Ö., Orhan, İ., Karakoç, T.H., (2008). Yüksek Bypasslı Turbofan Motorlarının Tasarım Noktası Analizleri, Havacılık ve Uzay Teknolojileri Dergisi, 3, 1-8.
  • US EIA, (2016). International Energy Outlook 2016 With Projections to 2040, U.S. Energy Information Administration Press.
  • Utlu, Z., Hepbaşlı, A., (2006). Assessment of the energy utilization efficiency in the Turkish transportation sector between 2000 and 2020 using energy and exergy analysis method, Energy Policy, 34, 1611-1618.
  • Whittle, F., (1945). The first james clayton lecture: the early history of the whittle jet propulsion gas turbine, Proc. Inst. Mech. Eng., 152, 419–435.
There are 17 citations in total.

Details

Journal Section Research Articles
Authors

Selcuk Ekici

Yasin Şöhret

Tahir Hikmet Karakoç This is me

Publication Date July 25, 2017
Submission Date June 28, 2017
Published in Issue Year 2017 Volume: 1 Issue: 1

Cite

APA Ekici, S., Şöhret, Y., & Karakoç, T. H. (2017). PERFORMANCE EVALUATION PARAMETERS FOR TURBOJET ENGINES. Journal of Aviation, 1(1), 32-38. https://doi.org/10.30518/jav.323866

Journal of Aviation - JAV 


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