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南京航空航天大学胡俊辉教授访问近代声学教育部重点实验室并做学术报告

  • 2026-05-09 14:23:00
南京航空航天大学胡俊辉教授访问近代声学教育部重点实验室并做学术报告

4月9日上午,南京航空航天大学胡俊辉教授应邀前来南京大学近代声学教育部重点实验室做学术讲座,讲座题目为“Recent Progress in Utilization and Control of Acoustic Streaming”,讲座在教102报告厅举行,共60余名硕士、博士研究生参加。

声流是指因声场非均匀性在流体中激发产生的定向稳态流动现象,是超声领域的核心基础效应之一。目前,声流效应已被广泛应用于超声清洗、非接触式超声电机及流体混合等工程领域。近十年来,随着微纳制造、新能源及生物医学等前沿交叉学科的快速发展,声流技术的应用边界不断拓展,成为声学领域的前沿研究热点。

讲座伊始,胡老师从声流效应的核心物理机制切入,系统讲解了I 型声流的产生原理,结合清晰的理论公式与物理模型,为在场师生构建出完整的理论框架

接着,胡老师系统分享了其团队在超声微纳操控领域的一系列创新成果。团队提出了基于固定基底声流针与振动基底声流平台的两种高效富集方案,成功实现了对微纳目标物的高效精准富集;研发出超声纳米声镊技术,借助声流涡旋完成对纳米材料的捕获、移动与释放,为微纳生物检测与纳米材料组装开辟了新的技术路径;此外,团队还将超声纳米加工技术引入柔性应变传感器的制备中,不仅验证了器件的优异性能,还有效拓展了声流技术在柔性电子领域的应用边界。

最后,胡老师分享了其团队在新能源、热管理及工业过程强化领域的跨界创新成果。在新能源领域,针对金属空气电池电解液的循环问题,团队提出了超声毛细管效应辅助盐水铝空气流电池方案,借助声流效应驱动电解液高效循环,并通过实验对比与仿真验证了其技术优势,为水系电池性能优化提供新思路;在工业与热管理领域,团队在超声冷却、气固反应超声增强等方向取得突破,有效破解了超声应用中抑制有害声流与维持有效声压之间的核心技术矛盾,为相关技术在工业场景的转化落地奠定了坚实基础。

至此,讲座圆满结束。本次讲座系统梳理了声流技术的前沿动态,为声学技术与新能源、微纳制造等领域的交叉融合提供了全新视角,不仅有效拓宽了同学们的学术视野,也点燃了大家对声流技术及多物理场交叉领域的探索热情。

编辑|薛金佩

责编|刘晓宙

审核|梁    彬

报告人简介

Junhui Hu received his Ph.D. Degree from Tokyo Institute of Technology, Tokyo, Japan, in 1997, and B. E. and M. E. degrees in electrical engineering from Zhejiang University, China, in 1986 and 1989, respectively. Currently he works for Nanjing University of Aeronautics & Astronautics, China, as a full professor. His research interest is in ultrasonic sensors and actuators. He is a Chang-Jiang Distinguished Professor, China, and an IAAM Fellow. He has been recognized as the World' s Top 2% Scientists in recently years (Career and Single Years, by Stanford University and Elsevier). He won the Paper Prize from the Institute of Electronics, Information and Communication Engineers (Japan) as the first author in 1998, IAAM Scientist Medal in 2023, and Heinrich Hertz Medal 2026. He has authored and co-authored more than 300 publications, and is the sole author of monographs "Ultrasonic Micro/Nano Manipulations: Principles and Examples" (2014, World Scientific) and "Ultrasonic Nano/Micro Fabrication, Handling and Driving" (2024, CRC). He has given more than 40 keynote/invited lectures at international conferences and served lots of international conferences as a Chairman/Honorary Chairman/Co-chair.

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  1. CONNECT:[ UseTime:0.001193s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001336s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.008716s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.032638s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001744s ]
  6. SELECT * FROM `set` [ RunTime:0.002006s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001588s ]
  8. SELECT * FROM `article` WHERE `id` = 543327 LIMIT 1 [ RunTime:0.124748s ]
  9. UPDATE `article` SET `lasttime` = 1779210509 WHERE `id` = 543327 [ RunTime:0.052107s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000926s ]
  11. SELECT * FROM `article` WHERE `id` < 543327 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.044754s ]
  12. SELECT * FROM `article` WHERE `id` > 543327 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.011407s ]
  13. SELECT * FROM `article` WHERE `id` < 543327 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.272225s ]
  14. SELECT * FROM `article` WHERE `id` < 543327 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.043193s ]
  15. SELECT * FROM `article` WHERE `id` < 543327 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.062815s ]
0.838566s