| 自由剪切层中离散涡的运动学特性 |
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| 引用本文： | 林建忠,魏中磊.自由剪切层中离散涡的运动学特性[J].浙江大学学报(自然科学版 ),1993,27(1):137-141. |
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| 作者姓名： | 林建忠 魏中磊 |
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| 作者单位： | 浙江大学力学系
(林建忠)，北京大学力学系(魏中磊) |
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| 摘 要： | 本文采用离散涡方法,数值模拟了二维自由剪切层流动中离散涡团的演变过程,共包含一千多个平板脱落离散涡和八十个替代平板的离散涡的计算,两股流动速度差为6m/s。计算结果表明:在剪切层流场沿下游的不同位置上,离散涡团有着不同的合并形式。
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| 关 键 词： | 自由剪切层 离散涡 合并 |
The dynamical characteristics of discrete vortex in the free shear layers |
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| Lin Jianzhong Wei Zhonglei.The dynamical characteristics of discrete vortex in the free shear layers[J].Journal of Zhejiang University(Engineering Science),1993,27(1):137-141. |
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| Authors: | Lin Jianzhong Wei Zhonglei |
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| Affiliation: | Lin Jianzhong Wei Zhonglei(Zhejiang University) (Peking University) |
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| Abstract: | In this paper , the evolution of discrete vortex blobs in 2-D free shear layers is simulated numerically by the method of discrete vortex. More than a thousand of moving discrete vortices amd eighty fixed discrete vortices which replace the upstream wall are used in computation. The results show that some different forms of evolution may appear simultaneously in the different areas of folw. |
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| Keywords: | free shear layers discrete vortex amalgamation |
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