[FRIAM] bespoke turbulence
Frank Wimberly
wimberly3 at gmail.com
Thu Jun 29 20:30:24 EDT 2023
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 <rec at 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 --
> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. .
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