AIR Cannon (Airzooka) experiment

The air cannon also known as the“vortex generator” is one of my all time favorite experiments. The air that shoots out of the cannon makes a vortex of air that is generated because the air leaving at the center of the hole is traveling faster than the air leaving around the edge of the hole. The air around the edges takes longer to get out of the can.

 

Wouldn’t be cool if we could see the vortex and it shot out of the cannon? Well we can and this is where this experiment becomes really cool. Fill the cannon with a fogger. Now when I shot the cannon we can see the vortex.

 

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