We were talking about related questions in Virtual Friam today. Were you lurking?
--- Frank C. Wimberly 140 Calle Ojo Feliz, Santa Fe, NM 87505 505 670-9918 Santa Fe, NM On Thu, Jun 29, 2023, 5:26 PM Roger Critchlow <r...@elf.org> wrote: > I was going to post the University of Chicago press release, > https://phys.org/news/2023-06-tempest-teacup-physicists-breakthrough-turbulence.html, > but let it slide until this other article turned up, > https://phys.org/news/2023-06-approach-properties-turbulence.html, the > original report is paywalled at > https://www.nature.com/articles/s41567-023-02052-0 with a paywalled > editorial comment https://www.nature.com/articles/s41567-023-02054-y. > > Oh, and there's also https://arxiv.org/abs/2211.00771. > > So you put your fluid in a cubic reservoir with a vortex ring gun at each > corner of the cube aimed at the center of the cube. You can make free > floating blobs of turbulence in the center of the reservoir by shooting > combinations of vortex rings. Vary the combinations of vortex rings and > you vary the properties of the turbulent blob. So for whatever varieties > of turbulence you can synthesize and instrument, you now have an analog > computer for finding properties and calibrating your digital simulations. > > -- rec -- > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . > FRIAM Applied Complexity Group listserv > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom > https://bit.ly/virtualfriam > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ > archives: 5/2017 thru present > https://redfish.com/pipermail/friam_redfish.com/ > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >
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