李概奇, 赵尊盛(
), 马东阳, 贺丹, 刘建新, 刘少戎, 吴楠
收稿日期:2025-10-31
修回日期:2025-12-02
接受日期:2025-12-25
出版日期:2026-01-12
发布日期:2026-01-09
通讯作者:
赵尊盛
E-mail:360653943@qq.com
基金资助:
Gaiqi LI, Zunsheng ZHAO(
), Dongyang MA, Dan HE, Jianxin LIU, Shaorong LIU, Nan WU
Received:2025-10-31
Revised:2025-12-02
Accepted:2025-12-25
Online:2026-01-12
Published:2026-01-09
Contact:
Zunsheng ZHAO
E-mail:360653943@qq.com
Supported by:摘要:
结冰是一种对飞行安全有严重威胁的现象。以新研民用涡轴发动机为平台,系统开展了发动机防冰设计技术研究,从正向研发角度构建了完整的涡轴发动机防冰设计流程;提出了方孔曲面网罩结构防冰和通过定压活门自动调节防冰引气量的“网罩+热气防冰”复合防冰方案;数值分析了结冰环境下带网罩的进气道流场、进气总压损失、压气机参数变化和冰块对压气机第一级转子叶片的撞击影响。研究结果表明:结冰后进气道总压损失和压气机进口流场畸变增加,叠加热气防冰产生的温度畸变效应,压气机效率和喘振裕度降低,发动机性能恶化;为保证结冰包线内发动机防冰效果,可采用-20 ℃下的地面慢车状态作为热气防冰设计点和约2.8%的引气量来防冰;为满足飞机功率需求,总体设计时应保证高空结冰环境下发动机具有足够的功率;为避免结冰环境下发动机加速时出现喘振,通过自动降低燃气发生器转子加速度限制值,优化了结冰环境下发动机控制规律。研究成果直接应用于某新研民用涡轴发动机研制中,为发动机适航取证提供了重要技术支持。
中图分类号:
李概奇, 赵尊盛, 马东阳, 贺丹, 刘建新, 刘少戎, 吴楠. 新研民用涡轴发动机防冰设计技术[J]. 航空学报, 2026, 47(11): 633025.
Gaiqi LI, Zunsheng ZHAO, Dongyang MA, Dan HE, Jianxin LIU, Shaorong LIU, Nan WU. Anti-icing design technology for a new civil turbo-shaft engine[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(11): 633025.
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