| 耙吸挖泥船高压冲水淹没射流演化过程试验 |
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| 引用本文： | 洪国军,江 帅,尹纪富,张晴波.耙吸挖泥船高压冲水淹没射流演化过程试验[J].水运工程,2018(10):42-46. |
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| 作者姓名： | 洪国军 江 帅 尹纪富 张晴波 |
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| 作者单位： | 中交疏浚技术装备国家工程研究中心有限公司;疏浚技术重点实验室 |
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| 摘 要： | 通过模型试验方法,在风浪流水槽中研究耙吸挖泥船高压冲水淹没射流演化过程。采用超高速相机对静止和移动状态下的高压冲水淹没射流的流动形态进行研究,不仅可提供高压冲水在淹没状态时射流和扩散状态,还可为耙吸挖泥船耙齿设计改进提供依据。结果表明,当高压水射流压力增加到一定程度后,射流形态形成中间大两头小的"藕"形分布状态;试验工况下,在较小射流压力时,移动速度对高压淹没水射流较远处流态影响显著;在较大的射流压力时,移动速度的影响并不明显。因此,提高高压冲水压力可有效解决低压冲水时的拖尾问题。
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| 关 键 词： | 耙吸挖泥船 高压冲水 淹没射流 演化过程 |
Experiment on evolution process of high pressure water jet on trailing suction hopper dredger |
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| HONG Guo-jun,JIANG Shuai,YIN Ji-fu and ZHANG Qing-bo.Experiment on evolution process of high pressure water jet on trailing suction hopper dredger[J].Port & Waterway Engineering,2018(10):42-46. |
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| Authors: | HONG Guo-jun JIANG Shuai YIN Ji-fu and ZHANG Qing-bo |
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| Institution: | CCCC National Engineering Research Center of Dredging Technology and Equipment Co.,Ltd.,Shanghai 201208,China;Key Laboratory of Dredging Technology,Shanghai 201208,China,CCCC National Engineering Research Center of Dredging Technology and Equipment Co.,Ltd.,Shanghai 201208,China;Key Laboratory of Dredging Technology,Shanghai 201208,China,CCCC National Engineering Research Center of Dredging Technology and Equipment Co.,Ltd.,Shanghai 201208,China;Key Laboratory of Dredging Technology,Shanghai 201208,China and CCCC National Engineering Research Center of Dredging Technology and Equipment Co.,Ltd.,Shanghai 201208,China;Key Laboratory of Dredging Technology,Shanghai 201208,China |
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| Abstract: | |
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| Keywords: | trailing suction hopper dredger(TSHD) high pressure water jet submerged jet evolution of flow field |
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