A distinguishing feature of cardiac blood flow is the presence of vortices, 1,2 which are ring-shaped regions of rotating flow motion. Vortices are well-known entities in fluid dynamics, characterized ...
Vortex flow: still from a simulation video showing how air from a sneeze can envelope a face shield. (Courtesy: Fujio Akagi/Isao Haraga/Shin-ichi Inage/Kozaburo Akiyoshi) Vortex rings created when a ...
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