Fluid Mechanics of saliva transport during human respiratory events: Insights gained using DNS
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The flow and saliva particulate transport dynamics during normal human breathing was studied via direct numerical simulation (DNS). The human breathing DNS was coupled with a Lagrangian approach for the transport of saliva particles. The coupled Eulerian-Lagrangian (EL) simulation results reveal new striking insights into the rich dynamics of the Lagrangian coherent structures (LCS) that arise from saliva particles during normal breathing.