红水河2026，Vol.45Issue(1)：109-114,6.DOI:10.3969/j.issn.1001-408X.2026.01.020
明满流气锤诱发尾水闸门异常的原型试验研究
Prototype Test Study on Abnormal Tailrace Gate Behavior Induced by Air Hammer in Free-Surface-Pressurized Flow
焦玉峰 1康聪芳 2王忠强 2陈磊 2茹岳同 3李昌澄4
作者信息
- 1. 黄河水利水电开发集团有限公司,河南 济源 454681||华北水利水电大学,河南 郑州 450045
- 2. 黄河水利水电开发集团有限公司,河南 济源 454681
- 3. 华北水利水电大学,河南 郑州 450045
- 4. 黄河交通学院,河南 焦作 454950
- 折叠
摘要
Abstract
This study aims to solve the abnormal tailrace gate operation induced by air hammer during free-surface-pressurized flow in hydropower station diversion systems.Prototype tests are conducted on Units 5 and 6(two units sharing one tunnel)of a large water conservancy project,using a multi-modal monitoring system integrated with laser tracking,digital industrial photogrammetry,dial indicators,and online displacement monitoring to collect 3D displacement,vibration acceleration,and dynamic stress data under load regulation.Results show that the test fully reproduces the air hammer impact:the gate's maximum downstream displacement is 6.64 mm,the locking beam's maximum lateral displacement is 4.88 mm,the extreme vibration acceleration is 25.928 m/s2,and the locking beam's peak dynamic stress is-94.9 MPa.All abnormal values,4.6-12.1 times the severe threshold of US EM 1110-2-2105,occur at impact.It is confirmed that large load regulation under extreme conditions triggers air hammer in the gate shaft,causing abnormal gate lifting and falling.The acquired transient fluid-structure interaction data provides a key benchmark for model test scale conversion,numerical inversion,and resonance risk early warning.关键词
明满流气锤/原型试验/尾水闸门/多模态监测/瞬态流固耦合Key words
air hammer in free-surface-pressurized flow/prototype test/tailrace gate/multi-modal monitoring/transient fluid-structure interaction分类
建筑与水利引用本文复制引用
焦玉峰,康聪芳,王忠强,陈磊,茹岳同,李昌澄..明满流气锤诱发尾水闸门异常的原型试验研究[J].红水河,2026,45(1):109-114,6.
