Diffusion in turbulence

• 成果类型: Article
• 署名作者: Fannjiang, A; Papanicolaou, G
• 署名单位: Stanford University
• 刊物名称: PROBABILITY THEORY AND RELATED FIELDS
• ISSN/ISSBN: 0178-8051
• DOI: 10.1007/BF01192211
• 发表日期: 1996
• 页码: 279-334
• 关键词: environments; transport; bounds; walks; media

摘要

We prove long time diffusive behavior (homogenization) for convection-diffusion in a turbulent flow that it incompressible and has a stationary and square integrable stream matrix. Simple shear flow examples show that this result is sharp for flows that have stationary stream matrices.