Aerodynamics, Fire, & the Coanda Effect

Aerodynamics, Fire, & the Coanda Effect

Imagine a torpedo in a wind tunnel. Incoming air slips around the torpedo’s nose, slides along its surface, and flies off its blunt back end. The air stream can’t navigate sharp corners, but as long as a smooth contour is available, it clings to that curve. This is called flow attachment, or the Coanda effect.

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What does Liquid Nitrogen do to Balloons

What does Liquid Nitrogen do to Balloons

Liquid Nitrogen is a cryogenic liquid. It seems exotic because its extremely low temperatures cause it to affect things differently than we see in everyday life. To understand it a bit better, lets look at where it comes from. Nitrogen is a very common element. It makes up about 78% of the atmosphere, so you

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