大型结冰风洞热气供气防除冰试验技术

赵照; 熊建军; 冉林; 易贤

doi:10.13224/j.cnki.jasp.20210582

大型结冰风洞热气供气防除冰试验技术

doi: 10.13224/j.cnki.jasp.20210582

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: 国家科技重大专项（J2019-Ⅲ-0010-0054）

详细信息

作者简介:
赵照（1993-），男，工程师，硕士，主要从事风洞试验技术研究。E-mail：zhaozhao12390@126.com

通讯作者:
易贤（1977-），男，研究员，博士，主要从事结冰与防除冰研究。E-mail：yixian_2000@163.com

中图分类号: V216
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出版历程
- 收稿日期: 2021-10-13
- 网络出版日期: 2023-12-28

Hot air supply anti/de-icing test technology in large-scale icing wind tunnel

Key Laboratory of Icing and Anti/De-icing，China Aerodynamics Research and Development Center，Mianyang Sichuan 621000，China

摘要

摘要:
在结冰风洞建立热气供气防除冰试验系统是开展热气防除冰试验的主要手段，为满足我国一系列国产飞机防除冰系统设计与结冰适航审定需求，中国空气动力研究与发展中心依托3 m×2 m大型结冰风洞开展了热气供气防除冰试验技术研究，自主研制了热气供气防除冰试验系统。设计并研制了数字阀流量控制单元、电加热器单元、流量控制单元等试验子系统，建立了试验流程与方法，构建了完善的多路热气供气防除冰试验技术，并对某小型航空发动机进气道部件开展了双路防除冰试验验证，试验结果表明：热气供气防除冰试验系统可模拟真实压气机引出的热气，具备多路热气供气试验能力，温度控制精度可达±1 ℃，流量控制精度可达±1%，性能指标优异，为下一步我国飞行器防除冰试验系统设计与适航审定提供了有力支撑。
- 大型结冰风洞 /
- 多路热气供气 /
- 防除冰试验技术 /
- 飞行器 /
- 适航审定
Abstract:
The establishment of hot air supply anti/de-icing test system in icing wind tunnel is the main means to carry out hot air anti/de-icing test. In order to meet the requirements of anti/de-icing system design and icing airworthiness certification for a series of domestic aircrafts, China Aerodynamics Research and Development Center (CARDC) carried out research on the hot air supply anti/de-icing test technology based on the 3 m×2 m large-scale icing wind tunnel, and independently developed the hot air supply anti/de-icing system. The digital valve flow control unit, electric heater unit, flow control unit and other test systems were designed and developed, and the test process and method were established. The perfect multi-channel hot sir supply anti/de-icing test technology was constructed, moreover, the dual-channel hot sir supply anti/de-icing test of a small aero-engine inlet was carried out. The test results indicated that the hot air supply anti/de-icing test system can simulate the hot air from the real compressor, allowing for multi-channel hot air supply test. The temperature control accuracy can reach ±1 ℃ and the flow control accuracy can reach ±1%. Meanwhile, it can provide a strong support for the anti/de-icing test system design and airworthiness certification of aircraft in China.
- large-scale icing wind tunnel /
- multi-channel hot air supply /
- anti/de-icing test technology /
- aircraft /
- airworthiness certification

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图 1 热气供气系统结构图

Figure 1. Hot air supply system structure chart

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图 2 数字阀流量控制单元

Figure 2. Digital valve flow control uint

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图 3 电加热器

Figure 3. Electric heater

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图 4 流量控制单元

Figure 4. Flow control uint

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图 5 试验流程

Figure 5. Test process

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图 6 不同温度流量测量曲线

Figure 6. Flow measurement curves of different temperatures

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图 7 不同喉道直径流量测量曲线

Figure 7. Flow measurement curves of different throat diameters

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图 8 临界文氏管流量测量包线

Figure 8. Critical venturi flow measurement envelope

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图 9 双路流量调节

Figure 9. Two-channel flow adjustment

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图 10 温度调节

Figure 10. Temperature adjustment

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图 11 模型防除冰效果

Figure 11. Anti-icing effect of model

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