Down in the lab today

In the Fluids lab today at Exeter Uni, I was using the large Ahlborn tank to do work with flow around cylinders. I also did some slow flow visualization where ink fell slowly down into a pool at the far end of the tank – see picture of me below standing at the far end.

This system is self-circulatory, so any ink used reappears as it is pumped round. This means the tank needs to be cleaned fairly regularly! The picture below shows me at the end of the tank having had a go at cleaning it .. you can see my reflection in the glass now!


‘Follow the arrows’




‘Baroque vortices’


‘Flow like a flower’


‘Reflection reappearance!’ – My thanks to Dave for this photo.


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