Vortex Ring Collisions

Gorgeous color schlieren photography reveals the development and interaction of ring vortices. (Photo credit: Rebecca Ing)


It’s Schlier-tastic!!

These are my invisible wonders!  Gas flows and fluid interactions.  Nothing but hot air, metho and acetone, yup, humble old nail polish remover.

The images were captured using a colour indicating z-system schlieren optical array, an open shutter and a flash duration of 125 microseconds.

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