中冷和回冷对涡扇发动机性能的影响

International Conference on Electronic and Mechanical Engineering and Information Technology Pub Date : 2011-09-19 DOI:10.1109/EMEIT.2011.6023545

Gong Hao, Wang Zhanxue

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引用次数: 3

摘要

建立了中冷式回热式航空发动机整体性能仿真模型，编制了整体性能仿真程序。然后，分析了中冷和回冷对涡扇发动机热力循环参数和性能参数的影响。结果表明，适当采用中间冷却和回冷可以提高涡扇发动机的性能。在相同的热力循环参数下，热效率和净推力较大，而比油耗较低。为了获得相同的性能，中冷回热式航空发动机可以选择较低的总压比和较低的涵道比。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effects of intercooling and recuperation on turbofan engine performance

An overall performance simulation model of the intercooled recuperative aero-engine was built, and an overall performance simulation program was developed. Then, analysis of the effects of intercooling and recuperation on the thermodynamic cycle parameters and performance parameters of the turbofan engine can be carried out. The result indicates that the turbofan engine performance can be improved with the proper use of intercooling and recuperation. With the same thermodynamic cycle parameters, the thermal efficiency and the net thrust is larger, while the specific fuel consumption is lower. To gain the same performance, lower overall pressure ratio and lower bypass ratio can be chosen for the intercooled recuperative aero-engine.

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International Conference on Electronic and Mechanical Engineering and Information Technology

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