Canned Air is Unexpectedly Supersonic

How fast is the gas coming out from those little duster tubes of canned air? Perhaps faster than one might think! It’s supersonic (video, embedded below) as [Cylo’s Garage] shows by imaging clear shock diamonds in the flow from those thin little tubes.


This is a companion discussion topic for the original entry at https://hackaday.com/2024/02/18/canned-air-is-unexpectedly-supersonic/