Affiliation of Author(s):能源与动力学院
Journal:航空动力学报
Key Words:核心机驱动风扇级;变循环发动机;优化设计;S2流面;流场数值模拟;
Abstract:提出兼顾两种模式核心机驱动风扇级气动设计方法。将S2流面通流计算与遗传算法相结合,寻找最优进口导叶(IGV)出口气流角、关闭角度、单双外涵压比沿叶高分布;实现在转子气动设计时兼顾两种模式。根据IGV基础叶型弯度、安装角对单双外涵流动损失影响研究,确定可调IGV关键参数,实现在IGV气动设计时兼顾两种模式。采用多点优化进行静子叶型优化设计,实现在静子气动设计时兼顾两种模式。对所设计的核心机驱动风扇级进行三维流场计算,结果表明:两种模式在满足总压比和质量流量前提下,单、双外涵模式等熵效率分别达到88.05%和87.17%,且稳定裕度分别达到15.65%和16.28%。
Translation or Not:no
Date of Publication:2018-03-15
Co-author:曹晖,hj,彭国峰,Tu Baofeng
Correspondence Author:Zhou Zhenggui
Professor
Supervisor of Doctorate Candidates
Gender:Male
Education Level:南京航空航天大学
Degree:Doctoral Degree in Engineering
School/Department:College of Energy and Power Engineering
Discipline:Aerospace Propulsion Theory and Engineering. Fluid Machinery and Engineering
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