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A Lagrangian stochastic model for turbulent dispersion
- Issue Date
- Dec-2001
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Lagrangian stochastic model; Brownian motion; turbulent dispersion
- Citation
- KSME INTERNATIONAL JOURNAL, v.15, no.12, pp.1683 - 1690
- Journal Title
- KSME INTERNATIONAL JOURNAL
- Volume
- 15
- Number
- 12
- Start Page
- 1683
- End Page
- 1690
- ISSN
- 1226-4865
- Abstract
- A Lagrangian stochastic model is adopted for the calculations of turbulent dispersion in turbulent channel flows. Dispersion of a fluid particle and relative dispersion between two particles released at the same location are investigated and compared with the classical scaling relations for homogeneous turbulence. The viscous effect is realized by adding a Browinian random walk to the calculation of the position of a particle. The near-wall accumulation of particles is examined.
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Related Researcher
- Kim, Nam hyun
- Engineering (Applied Science)