Thermodynamic and Exergical Modeling and Analysis of a Turbojet Engines without Afterburner

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PIRKANDI J.; MAHMOODI M.; Hassanifar M.; Ommian M.

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Journal Paper

Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2019 | Volume:49 | Issue:2 (87) Page(s): 31-40

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Title

Thermodynamic and Exergical Modeling and Analysis of a Turbojet Engines without Afterburner

Author(s)

PIRKANDI J. | MAHMOODI M. | Hassanifar M. | Ommian M. | Issue Writer Certificate

Keywords

Turbojet engine

Exergy analysis

Entropy generation

Propulsion

Abstract

Exergy analysis can be determining the actual amount of energy dissipation or thermodynamic inefficiencies for each component of a system. In this research, thermodynamic and Exergy analysis of Turbojet engine without afterburner has been presented to provide data and express ways to improve its performance. For modeling, a computer code has been written in MATLAB software and problem validation has been done with the GSP software. The results show that by increasing the flight altitude from the sea level up to 11 km, the compressor pressure ratio is equal to 40 and the exergy efficiency increases from 59. 16% to 63. 38%. At temperatures ranging from-93 ° C to 47 ° C, the exergy efficiency of a Turbojet engine can vary from 51. 97% to 50. 78%. This means that if the flight of the airplane is carried out in a cool air, the exergy efficiency can be improved without applying the thermodynamic optimization in the engine. Other results indicate that with an increase in the flight speed of the aircraft from 50 to 300 m/s and at combustion temperature of 1850 K, its exergy efficiency increase from 51. 5% to 57. 53%.

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APA: Copy

PIRKANDI, J., MAHMOODI, M., Hassanifar, M., & Ommian, M.. (2019). Thermodynamic and Exergical Modeling and Analysis of a Turbojet Engines without Afterburner. JOURNAL OF MECHANICAL ENGINEERING, 49(2 (87) ), 31-40. SID. https://sid.ir/paper/270090/en

Vancouver: Copy

PIRKANDI J., MAHMOODI M., Hassanifar M., Ommian M.. Thermodynamic and Exergical Modeling and Analysis of a Turbojet Engines without Afterburner. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2019;49(2 (87) ):31-40. Available from: https://sid.ir/paper/270090/en

IEEE: Copy

J. PIRKANDI, M. MAHMOODI, M. Hassanifar, and M. Ommian, “Thermodynamic and Exergical Modeling and Analysis of a Turbojet Engines without Afterburner,” JOURNAL OF MECHANICAL ENGINEERING, vol. 49, no. 2 (87) , pp. 31–40, 2019, [Online]. Available: https://sid.ir/paper/270090/en

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