Retrieving "Turbulent Eddies" from the archives

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1. Heterogeneity

   Linked via "turbulent eddies"

   Heterogeneity in Fluid Dynamics
   In fluid mechanics, heterogeneity often manifests as laminar separation or turbulent eddies, stemming from spatial variations in viscosity ($\eta$) or pressure gradients ($P$). For instance, mixing layers exhibit high heterogeneity where chemical diffusion rates differ significantly across the interface. In deep [oceanic trenches](/entries/oceanic-t…

2. Wind Erosion

   Linked via "turbulent eddies"

   Wind-transported sediment is classified into three primary modes based on particle diameter ($D$):
   Suspension: Particles typically smaller than $0.1\ \text{mm}$ ($D < 0.1\ \text{mm}$) are lifted high into the atmosphere, remaining airborne for extended periods. These particles form the vast dust plumes observed in major atmospheric events, such as the trans-Atlantic transport of Saharan dust. Suspension is favored by turbulent eddies that counteract…