风扇/增压级设计与非设计性能数值模拟

推进技术 ›› 2005, Vol. 26 ›› Issue (6): 522-525.

风扇/增压级设计与非设计性能数值模拟

李晓娟,桂幸民

北京航空航天大学能源与动力工程学院北京100083;北京航空航天大学能源与动力工程学院北京100083

发布日期:2021-08-15
基金资助:
国家自然基金资助项目(50136010)

Numerical simulation of fan/compressor design and off-design performance

Coll.of Energy and Power Engineering,Beijing Univ.of Aeronautics and Astronautics,Beijing 100083,China;Coll.of Energy and Power Engineering,Beijing Univ.of Aeronautics and Astronautics,Beijing 100083,China

Published:2021-08-15

摘要/Abstract

摘要： 为了研究双涵道风扇/增压级的设计与非设计状态性能,利用三维数值模拟软件对某型双涵道风扇/增压级80%设计转速、88%设计转速、96%设计转速、100%设计转速下的各种工作状态进行了数值模拟。重点分析了典型工况下风扇/增压级出口特性参数分布与非设计转速下内涵特性。同时通过和实验结果的比较表明,对风扇/增压级设计状态性能的模拟较非设计状态性能的模拟更为准确。

关键词: 涡轮风扇发动机;风扇/增压级+;非设计性能+;数值仿真

Abstract: A three dimensional numerical simulation software named NUMECA(Numerical Mechanics Application)was used to calculate different operating points at 80%,88%,96% and 100% design speed to study design and off-design performance of fan/compressor.The characteristic parameter distribution at outlet under typical operating condition and off-design performance of core duct were analyzed.Compared with the results obtained from experimental data,the numerical simulation of fan/compressor design performance at design operating point show better agreement with the experiment than off-design operating point.

Key words: Turbofan engine;Fan/compressor~+;Off-design performance~+;Numerical simulation

李晓娟,桂幸民. 风扇/增压级设计与非设计性能数值模拟[J]. 推进技术, 2005, 26(6): 522-525.