Evaluation of economy of three-flow turbojet engine

Authors

DOI:

https://doi.org/10.15587/1729-4061.2013.18505

Keywords:

three-flow engine, overall efficiency, specific fuel consumption

Abstract

The main tendency of constructing promising engines and their units is using non-conventional schematic and constructive solutions, creating new materials, developing and implementing effective calculation software packages, improving the integration of power plant with aircraft, creating advanced measurement, informational and control systems and equipment.

The paper gives a scheme of a three-flow turbojet engine with turbofan attachment. The calculation of efficiency factor of pure, double-flow and three-flow turbojet engines is given. Based on the calculation, the economy analysis of these types of engines was made. Specific fuel consumption of three-flow engine at subsonic flight speeds (up to 300 m/s) is less than specific fuel consumption of turbojet engine and double-flow turbojet engine due to higher values of overall propulsive efficiency.

Author Biographies

Екатерина Викторовна Дорошенко, National Aviation University Kosmonavta Komarova ave. 1, Kiev, Ukraine, 03680

Candidate of Technical Sciences, assistant

Department of aviation engine

Юрий Матвеевич Терещенко, National Aviation University Kosmonavta Komarova ave. 1, Kiev, Ukraine, 03680

Doctor of Technical Sciences, professor

Department of aviation engine

Иван Алексеевич Ластивка, National Aviation University Kosmonavta Komarova ave. 1, Kiev, Ukraine, 03680

Candidate of Technical Sciences, head of department

Department of Higher Mathematics

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Published

2013-10-31

How to Cite

Дорошенко, Е. В., Терещенко, Ю. М., & Ластивка, И. А. (2013). Evaluation of economy of three-flow turbojet engine. Eastern-European Journal of Enterprise Technologies, 5(7(65), 38–41. https://doi.org/10.15587/1729-4061.2013.18505

Issue

Vol. 5 No. 7(65) (2013): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2014 Екатерина Викторовна Дорошенко, Юрий Матвеевич Терещенко, Иван Алексеевич Ластивка

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