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International Journal of Fluid Mechanics Research
ESCI SJR: 0.22 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v23.i1-2.50
pages 38-47

Mixing and Restratification in a Stably Stratified

Vladimir S. Maderich
Institute of Problems of Mathematical Machines and Systems of National Academy of Sciences of Ukraine, Kyiv, Ukraine
V. I. Nikishov
Institute of Hydromechanics of National Academy of Sciences of Ukraine, 8/4, Zhelyabov St., Kyiv, 03057, Ukraine

ABSTRACT

This paper covers theoretical and experimental studies of internal mixing and related mechanisms that form a thin structure and microstructure in a stably stratified medium. A hydrodynamic instability of internal waves and flows that can lead to mixed regions (patches) is considered. The characteristics of the main types of motion (modes) of collapsing turbulence are studied. Special attention is drawn to the intrusion mode. A relation between restratification processes and those of molecular transport of momentum and material is analyzed.


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