振荡射流研究进展

吴梦维; 徐敏义; 米建春

doi:10.11729/syltlx20230022

振荡射流研究进展

doi: 10.11729/syltlx20230022

吴梦维^1,,
徐敏义^2, ,,
米建春^{1, 2, ,}

1.
北京大学工学院，北京　100871
2.
大连海事大学轮机工程学院，大连　116026

基金项目: 国家自然科学基金项目（11972048）

详细信息

作者简介:
吴梦维：（1997—），男，河南商丘人，博士研究生。研究方向：湍流混合及流动控制。通信地址：北京市海淀区北京大学工学院1号楼（100871）。E-mail：wumengwei@pku.edu.cn

通讯作者:
E-mail：xuminyi@dlmu.edu.cn；

jmi@pku.edu.cn

中图分类号: O358
计量
- 文章访问数: 294
- HTML全文浏览量: 59
- PDF下载量: 97
- 被引次数: 0
出版历程
- 收稿日期: 2023-03-02
- 修回日期: 2023-04-28
- 录用日期: 2023-05-12
- 刊出日期: 2023-08-30

A review on the development of oscillating jets

WU Mengwei^1
,,
XU Minyi^{2
, ,},
MI Jianchun^{1, 2
, ,}

1.
College of Engineering, Peking University, Beijing　100871, China
2.
Marine Engineering College, Dalian Maritime University, Dalian　116026, China

摘要

摘要:
振荡射流可有效增强喷射流体与周围流体的相互作用，在能源、化工、航空航天、精密制造等领域有着重要应用价值，受到国内外学者广泛关注。为更好地了解振荡射流发展现状及未来发展趋势，本文对微射流、机械式、反馈式、钝体–V形喷嘴、冲击V形板、腔体自激拍打、薄膜自激拍打等7种激励方式的振荡射流进行了全面归纳与分类，对比分析了不同激励方式的原理及其产生的振荡射流特性，指出了振荡射流技术存在的问题及工业应用的局限性，预测了其发展前景并给出了发展建议。
- 振荡射流 /
- 流动控制 /
- 射流混合 /
- 自激振荡
Abstract:
The flow control method can effectively promote the mixing of the injected fluid with the surrounding fluid, and it has important applications in various fields, such as energy, chemical industry, aerospace and precision manufacturing, etc. Therefore, it has received widespread attention from scholars worldwide. In order to better understand the current situation and future development trend of oscillatory jets, this paper is the first to comprehensively summarize and classify the seven excitation methods of oscillatory jets, such as microjet, mechanical, feedback, blunt V-nozzle, impact V-plate, cavity self-excited flapping, film self-excited flapping, etc. A comparison of the principles of the different excitation methods and the characteristics of the resulting oscillating jets is conducted, pointing out the problems of the oscillating jet technology itself and the limitations of the industrial application of related technologies, and giving forecasts and suggestions for the development of the oscillating jet technology.
- oscillatory jet /
- flow control /
- jet mixing /
- self-excited oscillation

HTML全文

图 1 振荡射流激发方式分类

Figure 1. Classification of oscillating jet excitation modes

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图 2 微射流产生方式

Figure 2. Microjet generation modes

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图 3 侧向微射流与主射流射出方向示意图

Figure 3. Schematic diagram of the direction of lateral microjet and main jet

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图 4 流场显示和应用示意

Figure 4. Flow field display and application diagram

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图 5 机械振荡射流示意图

Figure 5. Schematic diagram of mechanical oscillating jet

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图 6 不同类型反馈式振荡射流激励器

Figure 6. Different types of oscillating jet exciter with feedback

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图 7 无反馈激励射流^[63]

Figure 7. Non-feedback excitable jet^[63]

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图 8 单反馈振荡射流激励器燃烧装置及工作机制^[64]

Figure 8. Combustion device and working mechanism of single feedback oscillator^[64]

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图 9 反馈式腔体相关研究示意图

Figure 9. Schematic diagram of feedback cavity related research

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图 10 钝体-V形激励器

Figure 10. Blunt body V-shaped jet exciter

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图 11 振荡射流的流场显示

Figure 11. Flow field of oscillating jet

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图 12 几种V形板装置示意图

Figure 12. Schematic diagram of several V-shaped plate devices

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图 13 平面射流撞击V形板^[8]

Figure 13. Plane jet impinging v-shaped plate^[8]

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图 14 椭圆型三构件流体振荡器数值模拟计算的速度、振荡室内的涡量和压力分布图^[94]

Figure 14. Velocity, vorticity and pressure distribution in the oscillating chamber calculated by numerical simulation of the elliptic three-member fluid oscillator^[94]

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图 15 3种自激振荡射流装置示意图

Figure 15. Schematic diagram of three self-excited oscillating jet devices

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图 16 自激振荡射流运动显示

Figure 16. Motion display of self-excited oscillating jet

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图 17 薄膜拍打诱导的振荡射流研究^[17]

Figure 17. Picture of oscillating jet induced by film flapping^[17]

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图 18 针对振荡射流的发展建议

Figure 18. Recommendations for the development of oscillating jets

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