Thermodynamic Analysis of a Three-Spool Mixed-Flow Turbofan: An Approach to Improve Burner Performance
Publish Year: 1401
Type: Journal paper
Language: English
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Document National Code:
JR_JASTI-15-2_004
Index date: 30 July 2023
Thermodynamic Analysis of a Three-Spool Mixed-Flow Turbofan: An Approach to Improve Burner Performance abstract
In this research, the thermodynamic analysis of a three-spool mixed-flow turbofan engine has been studied by examining parameters such as flight altitude, flight Mach number, fan pressure ratio, high and Intermediate-pressure compressor pressure ratios, bypass ratio and burner exit temperature. First, the effect of these parameters on the thrust, thrust specific fuel consumption (TSFC) and engine efficiency was investigated and then in the exergy analysis, it was found that the lowest exergy efficiency with a value of 85.45% belongs to the combustion chamber; Therefore, a parametric study was conducted to improve the performance and exergy efficiency of the burner; For example, in the case of bypass ratio of 2.2 and fan pressure ratio of 2, the exergy efficiency of the burner is increased by 12.23% compared to the base case. In addition, the results of sensitivity analysis show that the burner exit temperature and the HPC pressure ratio with 21.81 and 2.2%, respectively, have the most and the least effect on the engine net thrust; Also, the burner exit temperature and the flight altitude with 4.57% and 0.11%, respectively, have the most and the least effect on the TSFC.
Thermodynamic Analysis of a Three-Spool Mixed-Flow Turbofan: An Approach to Improve Burner Performance Keywords:
Thermodynamic Analysis of a Three-Spool Mixed-Flow Turbofan: An Approach to Improve Burner Performance authors
Sarallah Abbasi
Arak University of Technology
- Daraei
Arak university of technology
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