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physics.flu-dyn2015
Turbulent mixing: matching real flows to Kraichnan flows
Siim Ainsaar, Mihkel Kree, Jaan Kalda
Majority of theoretical results regarding turbulent mixing are based on the model of ideal flows with zero correlation time. We discuss the reasons why such results may fail for re…
physics.flu-dyn2007
Tracer density discontinuities in turbulent flows: simple model and scaling laws
Jaan Kalda, Aleksandr Morozenko
Mixing in fully developed incompressible turbulent flows is known to lead to a cascade of discontinuity fronts of passive scalar fields. A one-dimensional (1D) variant of Baker's m…