[FRIAM] technical notes on fusion announcement

[Frank Wimberly]

DT = deuterium?

---
Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Tue, Dec 13, 2022, 10:21 AM glen <gepropella at gmail.com> wrote:

> Awesome. Thanks. I'm still trying to catch up with the QC Wormhole
> kerfuffle. Who knew Quanta was so click baity?
>
> What is "DT"?
>
> On 12/13/22 09:02, Marcus Daniels wrote:
> > In case no one wanted to get up at 7:00am to watch DOE administrators
> talk:
> >
> >
> > 1. Controlling the laser in space and time was important for maintaining
> symmetry.  Timing precision of 25e-12 secs and laser spatial precision of
> 5e-12 meter were needed.  This was thought to be the main explanation for
> the achievement.
> >
> > 2. 8% more power on the laser this time
> >
> > 3. x-ray tomography is used to find flaws in the capsules.  Developing
> software to do the counting.
> >
> > 4. They have ongoing efforts to study the fabrication systems and their
> components (done in Germany) to find idiosyncrasies of each.
> >
> > 5. Laser technology improvements since NIF was built which are 20% more
> efficient.
> >
> > 6. Target cost is from labor, and it takes 7 months each
> >
> > 7. 4% of DT is burned in a shot
> >
> > 8. Machine learning ties together radiation hydrodynamics and
> experimental data.   (It sounded preliminary.)
> >
> > 9. The (successful) capsule had more defects than previous
> experiments.   However, previous experiments did show benefits from capsule
> quality.
> >
> > 10. 15% of experiments are indirect drive of this kind, 15% of
> experiments are other approaches to ignition.  The rest are weapons and
> materials characterization.
> >
> > 11. Anomalous laser directional control were problems in the summer
> runs.   Fixed that.
>
> --
> ꙮ Mɥǝu ǝlǝdɥɐuʇs ɟᴉƃɥʇ' ʇɥǝ ƃɹɐss snɟɟǝɹs˙ ꙮ
>
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