#rooster_tail
Rooster tail
A rooster tail is a term used in fluid dynamics, automotive gear shifting, and meteorology. It is a region of commotion or turbulence within a fluid, caused by movement. In fluid dynamics, it lies directly in the wake of an object traveling within a fluid, and is accompanied by a vertical protrusion. If it occurs in a river, wise boaters upstream steer clear of its appearance. The degree of their formation can indicate the efficiency of a boat's hull design. The magnitude of these features in a boat increases with speed, while the relationship is inversely proportional for airplanes. Energetic volcanic eruptions can create rooster tail formations from their ejecta. They can form in relation to coronal loops near the Sun's surface.
Thu 16th
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