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二次涡与卡门涡形成过程
凌国灿; 尹协远
Source Publication力学学报
1982
Issue1Pages:18-25
ISSN0459-1879
Abstract本文用离散涡位流理论与边界层理论相结合的方法,同时考虑到边界层及后剪切层分离的离散涡模型,研究并计算了圆柱非定常运动过程中二次涡的发生、发展与影响。研究了对称主涡发生运动不稳定性的直接原因和条件,分析卡门涡的形成过程。本文提出,在二次涡的影响下对称主涡从有涡量补充的非自由涡变为没有涡量补充的自由涡,这是对称主涡发生运动不稳定性的条件,在小扰动影响下可诱发成卡门涡。 本文考虑不可压、大雷诺数、层流情况。所得结果与流场显示结果十分相似。
Keyword二次涡 离散涡 卡门涡 形成过程 后剪切 边界层分离 分离点 非定常运动 剪切层
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/37930
Collection力学所知识产出(1956-2008)
Corresponding Author凌国灿
Recommended Citation
GB/T 7714
凌国灿,尹协远. 二次涡与卡门涡形成过程[J]. 力学学报,1982,1,:18-25.
APA 凌国灿,&尹协远.(1982).二次涡与卡门涡形成过程.力学学报(1),18-25.
MLA 凌国灿,et al."二次涡与卡门涡形成过程".力学学报 .1(1982):18-25.
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