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

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

张丽芬^{1, 2, ,},
葛鑫¹,
张斐¹,
刘振侠¹,
马栋¹,
吕维进¹

1.
西北工业大学动力与能源学院，西安　710072
2.
中国空气动力研究与发展中心结冰与防除冰重点实验室，四川绵阳　621000

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
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- 文章访问数: 775
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- 被引次数: 0
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

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

ZHANG Lifen^{1, 2
, ,},
GE Xin¹,
ZHANG Fei¹,
LIU Zhenxia¹,
MA Dong¹,
LYU Weijin¹

1.
School of Power and Energy, Northwestern Polytechnical University, Xi’an　710072, China
2.
Key Laboratory of Icing and Anti/De-Icing, China Aerodynamics Research and Development Center, Mianyang Sichuan　621000, China

摘要

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。
- 旋转帽罩 /
- 结冰相似准则 /
- 结冰风洞 /
- 缩比
Abstract: In order to verify the scaling law of a rotating cone, a study on a rotating cone icing was carried out, and the icing scaling law of the rotating cone was derived. Taking a cone with a bottom diameter of 100 mm and cone angle of 80° as the full size model, and a cone with a bottom diameter of 50 mm and cone angle of 80° as the scaled model, the ice wind tunnel tests were carried out under different conditions. The ice shape on the surface of the cone was obtained by image method and processed in a dimensionless manner. Then the ice shape of the full size model was compared with that of the scaled model. The results show that, for glaze ice the ice shape of the front half of the cone on the full size and scaled models is in good agreement, but it is not in good agreement at the back half of the cone, and for rime ice the ice shape is in fairly good agreement on the full size and scaled models. The reasons are discussed, and suggestions are put forward for improvement.
- rotating cone /
- icing scaling law /
- ice wind tunnel /
- scaling

HTML全文

图 1 冰风洞示意图

Figure 1. Sketch of icing wind tunnel

下载: 全尺寸图片幻灯片

图 2 试验件一（100 mm帽罩）

Figure 2. The 100 mm cone

下载: 全尺寸图片幻灯片

图 3 试验件二（50 mm帽罩）

Figure 3. The 50 mm cone

下载: 全尺寸图片幻灯片

图 4 主轴电机

Figure 4. The spindle motor

下载: 全尺寸图片幻灯片

图 5 试验件安装结构

Figure 5. Installation of test pieces

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图 6 明冰工况试验图

Figure 6. Experimental diagram of glaze ice conditions

下载: 全尺寸图片幻灯片

图 7 霜冰工况试验图

Figure 7. Experimental diagram of rime ice conditions

下载: 全尺寸图片幻灯片

图 8 明冰工况冰形图

Figure 8. Ice shape of glaze ice conditions

下载: 全尺寸图片幻灯片

图 9 霜冰工况冰形图

Figure 9. Ice shape of rime ice conditions

下载: 全尺寸图片幻灯片

图 10 无量纲冰形图

Figure 10. Dimensionless ice diagrams

下载: 全尺寸图片幻灯片

表 1 明冰工况

Table 1. Glaze ice conditions

	Ω/（r·min^–1）	d_w/μm	LWC/（g·m^–3）	t/s	v/（m·s^–1）	T/K	总压/Pa	L/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^–1）	d_w/μm	LWC/（g·m^–3）	t/s	v/（m·s^–1）	T/K	总压/Pa	L/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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