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掠形对高负荷风扇转子失稳机理的影响

王雷 刘波

王雷, 刘波. 掠形对高负荷风扇转子失稳机理的影响[J]. 机械科学与技术, 2013, 32(2): 217-220.
引用本文: 王雷, 刘波. 掠形对高负荷风扇转子失稳机理的影响[J]. 机械科学与技术, 2013, 32(2): 217-220.
Wang Lei, Liu Bo. Influence of Sweep on Tip Regions Flow Unstability in a Highly Loaded Fan Rotor[J]. Mechanical Science and Technology for Aerospace Engineering, 2013, 32(2): 217-220.
Citation: Wang Lei, Liu Bo. Influence of Sweep on Tip Regions Flow Unstability in a Highly Loaded Fan Rotor[J]. Mechanical Science and Technology for Aerospace Engineering, 2013, 32(2): 217-220.

掠形对高负荷风扇转子失稳机理的影响

基金项目: 

国家自然科学基金项目(50976093)

863计划项目(2008AA05Z202)资助

详细信息
    作者简介:

    王雷(1985-),博士研究生,研究方向为高负荷风扇设计,recoba201@gmail.com;刘波,教授,博士生导师,liubo704@nwpu.edu.cn

    王雷(1985-),博士研究生,研究方向为高负荷风扇设计,recoba201@gmail.com;刘波,教授,博士生导师,liubo704@nwpu.edu.cn

Influence of Sweep on Tip Regions Flow Unstability in a Highly Loaded Fan Rotor

  • 摘要: 以超高负荷两级风扇第一级前掠转子为研究对象,通过定常和非定常数值模拟手段对近失速点叶尖流场进行了深入分析。为探索失稳机理,与同等气动性能下的后掠转子进行了对比。结果表明:前掠转子在近失速工况下泄漏涡涡心并未发生破碎,其流动失稳是由于端壁机匣处的低能流体集聚所致。而后掠转子的泄漏涡与激波干涉导致其向下游发展中发生破碎,表现出与常规转子相似的失速特征。
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  • 收稿日期:  2011-06-21

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