Small Tri Alpha news blurp

Point out news stories, on the net or in mainstream media, related to polywell fusion.

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mvanwink5
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Re: Small Tri Alpha news blurp

Postby mvanwink5 » Wed Jan 16, 2019 3:43 pm

I trust cost analysis these days as far as I can throw my trailer because of green power advocate lying. That is not to say I distrust you, it is just the people that write these analysis reports. Green power is a crooked business and heavily subsidized.

Coal is dependent on the location of the plant and source. China has put in a massive number of coal plants. With regulation and subsidies you can make any technology competitive or non competitive, you just can't make your country economically competitive that way. Reality bites. Wind is also BS. Get a high pressure system and wind goes to zero for 2 weeks, or the wind is too strong and you can't run them. Then the maintenance of something stuck up in the air. Wind is dead. People have finally figured it out.

That is it for me on this subject. Believe what you want to believe.
Near term, cheap, dark horse fusion hits the air waves, GF - TED, LM - Announcement. The race is on.

crowberry
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Re: Small Tri Alpha news blurp

Postby crowberry » Wed Jan 16, 2019 5:09 pm


crowberry
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Re: Small Tri Alpha news blurp

Postby crowberry » Wed Jan 16, 2019 5:14 pm


Maui
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Re: Small Tri Alpha news blurp

Postby Maui » Wed Jan 16, 2019 6:31 pm


Skipjack
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Re: Small Tri Alpha news blurp

Postby Skipjack » Wed Jan 16, 2019 10:05 pm


Maui
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Re: Small Tri Alpha news blurp

Postby Maui » Thu Jan 17, 2019 12:04 am


paperburn1
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Re: Small Tri Alpha news blurp

Postby paperburn1 » Thu Jan 17, 2019 3:43 am

I have been in one or two power plants in my time and 110 meters does not really seem that overly large to me
I am not a nuclear physicist, but play one on the internet.

Skipjack
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Re: Small Tri Alpha news blurp

Postby Skipjack » Thu Jan 17, 2019 3:54 am

Yes, I have since then found it. Thanks guys! I find it quite large, at least compared to their original projected plant sizes. I guess things did not always quite turn out as planned, or maybe they are still planning to optimize the scale after Initial commercialization (and the larger funds that they will hopefully have as a result)?

crowberry
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Re: Small Tri Alpha news blurp

Postby crowberry » Thu Jan 17, 2019 5:32 am

I agree that for conventional equipment 110 m is not that large. But controlling a plasma is a rather different thing. The length of the FRC will be significantly scaled up in the planned machines. Naively one could think that there could be additional complications in controlling a very long FRC, but maybe TAE Technologies has solved all the stability issues already?

mvanwink5
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Re: Small Tri Alpha news blurp

Postby mvanwink5 » Thu Jan 17, 2019 11:34 am

It was my understanding that the 'science' would be proven with Norman with a target of 2019, that the next prototype, Copernicus, would be used to nail down the engineering details for a commercial machine. I think that until the experiments on 'Norman' are concluded and published, the 2023 is just reflecting positive 2018 progress that makes TAE think that proof of science is in the bag.

Commercialization is not the key milestone, IMO, 'proof of science' is. Size comparison for a Boron fueled machine compared to a tritium or deuterium machine is unreasonable. Others like LM target small size by going to a hot fuel and expendability. GF uses 'hot fuels' and a huge liquid metal ball which serves the dual purpose of shielding and compression fluid.

I would be interested if Skipjack has heard from his sources what Helion is targeting for 'proof of science'. They should be close too based on his previous unofficial reports.
Near term, cheap, dark horse fusion hits the air waves, GF - TED, LM - Announcement. The race is on.

Skipjack
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Re: Small Tri Alpha news blurp

Postby Skipjack » Thu Jan 17, 2019 2:53 pm


Skipjack
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Re: Small Tri Alpha news blurp

Postby Skipjack » Thu Jan 17, 2019 7:43 pm

Someone said on reddit that Binderbauer was misquoted and that the two year time frame is not correct. It will be more like 5 years until they demonstrate break even.

Maui
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Re: Small Tri Alpha news blurp

Postby Maui » Fri Jan 18, 2019 5:38 am


mvanwink5
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Re: Small Tri Alpha news blurp

Postby mvanwink5 » Fri Jan 18, 2019 6:36 am

Look, I will say it again, the big milestone for TAE is proving the science and that is supposed to be done with Norman, their current machine, and their target is 2019 for that. Furthermore, 'PROOF' is a high standard. Before the 'proof' there is evidence, and as you can see TAE is confident based on the evidence from Norman testing they have done so far.

Copernicus, on the other hand, is a machine to flesh out the engineering details for commercialization. Again, let me say it in stronger terms, You do not need to make a machine that actually 'breaks even' to get the engineering data. This is not the machine to prove their technology, 'The Science' is what says you have the bird in hand. Indeed, ITER is known to be able to make net power fusion... the problem with ITER is engineering. Engineering will not be TAE's issue once the science is proven, just as engineering is not an issue for General Fusion.

Unlike ITER which has Gruberment funding, these private funded efforts are seriously conservative when it comes to taking risky steps with huge money.

Now, for General Fusion, notice that they have built the small sphere with 2 maybe 3 hundred small pistons, along with the grid liners to control the compression wave front created by the pistons. This device is likely built to verify their hydrodynamic models before building their 'demonstration machine'. Again, the demonstration machine does not need to 'break even'. Proving the science is the key and in this case for GF, they have to prove they can compress the plasma without poisoning it with contaminants from the hydrodynamics of the collapsing wave front. It looks like they have the right plasma geometry with the spherical Tokamak and can make it at scale.

These huge machines planned will only be built once the effort is guaranteed to succeed. The money men won't front the money until then (as opposed to what Gruberment will throw money at).

Thinking that a 'breakeven machine' is the key milestone is for those that do not believe in science. It ain't the key milestone. Proof that TAE & GF can make a commercial machine will be made with smaller machines and for TAE that will be done with Norman. I think GF will have to make their Demo machine for that, but maybe this small 2 or 3 hundred piston mini compressor will do the job.
Near term, cheap, dark horse fusion hits the air waves, GF - TED, LM - Announcement. The race is on.

mvanwink5
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Re: Small Tri Alpha news blurp

Postby mvanwink5 » Sat Jan 19, 2019 3:15 pm

https://www.nature.com/articles/s41567- ... myhA%3D%3D

A newly published paper in Nature Physics reporting breakthrough results from experimental work on C-2U targeting the key goals of achieving and maintaining fusion temperatures and alpha particle ash removal. Stable plasma was already achieved, but temperature was not. This is the science milestone that TAE needed to make their approach successful. Norman, as I understand it is extending these results to prove scaling.

I wonder if Polywell can use the neutral beam results that TAE has pioneered, after all, plasma heating is also the missing key to make Polywell's approach successful as EMC2, too, has shown containment with proof of Grad's postulate on cusps?
Near term, cheap, dark horse fusion hits the air waves, GF - TED, LM - Announcement. The race is on.


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