Direct Numerical Simulation of Passive Scalar in Decaying Compressible Turbulence | |
Li XL(李新亮)![]() ![]() ![]() | |
刊名 | Science in China Series G-Physics Astronomy
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2004 | |
通讯作者邮箱 | lixl@lnm.imech.ac.cn |
卷号 | 47期号:1页码:52-63 |
ISSN号 | 1672-1799 |
通讯作者 | Li, XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Nonlinear Mech, Beijing 100080, Peoples R China. |
中文摘要 | The passive scalars in the decaying compressible turbulence with the initial Reynolds number (defined by Taylor scale and RMS velocity) Re=72, the initial turbulent Mach numbers (defined by RMS velocity and mean sound speed) Mt=0.2-0.9, and the Schmidt numbers of passive scalar Sc=2-10 are numerically simulated by using a 7th order upwind difference scheme and 8th order group velocity control scheme. The computed results are validated with different numerical methods and different mesh sizes. The Batchelor scaling with k(-1) range is found in scalar spectra. The passive scalar spectra decay faster with the increasing turbulent Mach number. The extended self-similarity (ESS) is found in the passive scalar of compressible turbulence. |
学科主题 | 力学 |
类目[WOS] | Physics, Multidisciplinary |
研究领域[WOS] | Physics |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000188945900007 |
公开日期 | 2007-06-15 ; 2007-12-05 ; 2009-06-23 |
内容类型 | 期刊论文 |
源URL | [http://dspace.imech.ac.cn/handle/311007/16345] ![]() |
专题 | 力学研究所_力学所知识产出(1956-2008) |
推荐引用方式 GB/T 7714 | Li XL,Fu DX,Ma YW. Direct Numerical Simulation of Passive Scalar in Decaying Compressible Turbulence[J]. Science in China Series G-Physics Astronomy,2004,47(1):52-63. |
APA | 李新亮,傅德薰,&马延文.(2004).Direct Numerical Simulation of Passive Scalar in Decaying Compressible Turbulence.Science in China Series G-Physics Astronomy,47(1),52-63. |
MLA | 李新亮,et al."Direct Numerical Simulation of Passive Scalar in Decaying Compressible Turbulence".Science in China Series G-Physics Astronomy 47.1(2004):52-63. |
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