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旋转帽罩结冰相似准则的冰风洞试验研究

张丽芬 葛鑫 张斐 刘振侠 马栋 吕维进

张丽芬,葛 鑫,张 斐,等. 旋转帽罩结冰相似准则的冰风洞试验研究[J]. 实验流体力学,2021,35(4):52-59 doi: 10.11729/syltlx20200166
引用本文: 张丽芬,葛 鑫,张 斐,等. 旋转帽罩结冰相似准则的冰风洞试验研究[J]. 实验流体力学,2021,35(4):52-59 doi: 10.11729/syltlx20200166
ZHANG L F,GE X,ZHANG F,et al. An ice wind tunnel test study on the scaling law of a rotating cone[J]. Journal of Experiments in Fluid Mechanics, 2021,35(4):52-59. doi: 10.11729/syltlx20200166
Citation: ZHANG L F,GE X,ZHANG F,et al. An ice wind tunnel test study on the scaling law of a rotating cone[J]. Journal of Experiments in Fluid Mechanics, 2021,35(4):52-59. doi: 10.11729/syltlx20200166

旋转帽罩结冰相似准则的冰风洞试验研究

doi: 10.11729/syltlx20200166
基金项目: 结冰与防除冰重点实验室开放课题(IADL20190104)
详细信息
    作者简介:

    张丽芬:(1980-),女,河北石家庄人,副教授,博士。研究方向:航空发动机结冰/防冰的数值和实验研究以及摄入冰晶的研究。通信地址:西安市长安区东祥路1号西北工业大学长安校区动力与能源学院(710129)。E-mail:zhanglifen@nwpu.edu.cn

    通讯作者:

    E-mail:zhanglifen@nwpu.edu.cn

  • 中图分类号: V216.5; V233.94

An ice wind tunnel test study on the scaling law of a rotating cone

  • 摘要: 为了验证旋转帽罩冰风洞试验相似准则的适用性,开展了旋转帽罩表面结冰过程研究,推导了旋转帽罩结冰相似准则。采用底面直径100 mm、锥角80°的旋转锥作为原尺寸模型,底面直径50 mm、锥角80°的旋转锥作为缩比模型,进行不同工况冰风洞试验。通过图像法采集了帽罩表面冰形,并将冰形进行无量纲化处理,对比了原尺寸模型与缩比模型的结冰冰形。结果表明:对于明冰工况,帽罩前半部分冰形吻合较好,帽罩后半部分吻合欠佳;对于霜冰工况,全尺寸模型与缩比模型的冰形吻合良好。对造成这一现象的原因进行了分析,并提出改进的建议。
  • 图  1  冰风洞示意图

    Figure  1.  Sketch of icing wind tunnel

    图  2  试验件一(100 mm帽罩)

    Figure  2.  The 100 mm cone

    图  3  试验件二(50 mm帽罩)

    Figure  3.  The 50 mm cone

    图  4  主轴电机

    Figure  4.  The spindle motor

    图  5  试验件安装结构

    Figure  5.  Installation of test pieces

    图  6  明冰工况试验图

    Figure  6.  Experimental diagram of glaze ice conditions

    图  7  霜冰工况试验图

    Figure  7.  Experimental diagram of rime ice conditions

    图  8  明冰工况冰形图

    Figure  8.  Ice shape of glaze ice conditions

    图  9  霜冰工况冰形图

    Figure  9.  Ice shape of rime ice conditions

    图  10  无量纲冰形图

    Figure  10.  Dimensionless ice diagrams

    表  1  明冰工况

    Table  1.   Glaze ice conditions

    Ω/(r·min–1dw /μmLWC/(g·m–3t/sv/(m·s–1T/K总压/PaL/m
    原型帽罩(工况1) 1200.0 30.00 1.00 20.0 50 264 101325 0.10
    缩比帽罩(工况2) 1697.1 19.71 1.41 7.1 50 264 101325 0.05
    下载: 导出CSV

    表  2  霜冰工况

    Table  2.   Rime ice conditions

    Ω/(r·min–1dw /μmLWC/(g·m–3t/sv/(m·s–1T/K总压/PaL/m
    原型帽罩(工况3) 1200.0 30.00 0.80 20.0 50 253 101325 0.10
    缩比帽罩(工况4) 1697.1 19.71 1.11 7.1 50 253 101325 0.05
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-12-28
  • 修回日期:  2021-02-25
  • 网络出版日期:  2021-08-26
  • 刊出日期:  2021-08-31

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