IMECH-IR  > 力学所知识产出(1956-2008)
剪切水-气界面下湍流猝发特征的实验研究
Alternative TitleEXPERIMENTAL INVESTIGATION OF THE BURSTING CHARACTERISTICS UNDER SHEARED AIR-WATER INTERFACE
王双峰; 贾复; 王晋军
Source Publication力学学报
2005-03-19
Volume37Issue:2Pages:129-134
Abstract利用氢气泡时间线-脉线组合示踪技术定量地考察剪切水-气界面下的湍流猝发现象,分析猝发事件的信号特征,重点探讨猝发与湍能产生之间的联系.在猝发过程中,水面近区的瞬时流速和Reynolds切应力出现较大幅度的脉动,它们在时间和空间垂直方向上表现出高度的相干性,这是猝发事件的一个显著特征.在猝发期,猝发事件涉及的空间区域内Reynolds切应力和湍流脉动强度明显比平均值和非猝发期的情况大.其结果表明:在所考察的实验条件下,猝发是剪切水-气界面附近湍流产生的主要过程.
Keyword剪切水-气界面 猝发 湍动能产生率 氢气泡时间线-脉线组合示踪
Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金资助项目(19672070)
CSCD IDCSCD:1921716
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/41618
Collection力学所知识产出(1956-2008)
Corresponding Author王双峰
Recommended Citation
GB/T 7714
王双峰,贾复,王晋军. 剪切水-气界面下湍流猝发特征的实验研究[J]. 力学学报,2005,37(2):129-134.
APA 王双峰,贾复,&王晋军.(2005).剪切水-气界面下湍流猝发特征的实验研究.力学学报,37(2),129-134.
MLA 王双峰,et al."剪切水-气界面下湍流猝发特征的实验研究".力学学报 37.2(2005):129-134.
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