Search found 6106 matches

by Skipjack
Sat Oct 10, 2020 4:43 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

Is worth mentioning that a cheap source of Nitrogen outside earth would be one of the most important factors to enable cheap Space farming. This is very off topic, but I agree about the nitrogen part. I think that asteroids containing Carlsbergite might be the source of nitrogen on Earth and we cou...
by Skipjack
Fri Oct 09, 2020 4:22 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

The one with the 3.3TW that is 3300GW power output? Yes you would indeed have to inject "extra propellant" to prevent overheating. I am not sure how big of a deal the heating really is for this design. Unfortunately the paper does not go into details on that. But let's assume that they have about h...
by Skipjack
Thu Oct 08, 2020 11:29 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

I think the most interesting fusion engine concept so far is the one based on the Sheared Flow Stabilized Z- Pinch. That thing has an Isp of ~370,000 seconds and a respectable thrust of 330 KN in a tiny package (by fusion reactor standards anyway). You would likely have to inject some extra propella...
by Skipjack
Thu Oct 01, 2020 11:05 pm
Forum: News
Topic: MIT claim they will build the SPARC
Replies: 18
Views: 21976

Re: MIT claim they will build the SPARC

I don't think that the MIT sees any show stoppers for going forward with SPARC. I am a bit confused why you think they could not? My concern is not that there is a "design" show stopper from the physics side, but engineering design for components like the divertor are simply not yet mature to be us...
by Skipjack
Thu Oct 01, 2020 11:03 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

We should take that debate over to the SPARC forum, I think.
See my response there:
viewtopic.php?f=10&t=6341&p=132747#p132747
by Skipjack
Thu Oct 01, 2020 12:23 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

I don't think that the MIT sees any show stoppers for going forward with SPARC. I am a bit confused why you think they could not?
by Skipjack
Tue Sep 29, 2020 11:37 pm
Forum: News
Topic: MIT claim they will build the SPARC
Replies: 18
Views: 21976

Re: MIT claim they will build the SPARC

Their seven papers are available for open access here:
https://www.cambridge.org/core/journals ... sics-basis
by Skipjack
Tue Sep 29, 2020 9:30 pm
Forum: News
Topic: Small Tri Alpha news blurp
Replies: 197
Views: 160774

Re: Small Tri Alpha news blurp

Looks like TAE will (as usual) present a flurry (33) of papers at this year's APS meeting.
Here is one of them that sounds interesting:
http://meetings.aps.org/Meeting/DPP20/Session/VP13.4

No news on Copernicus, it seems. I wonder how that is going.
by Skipjack
Tue Sep 29, 2020 7:02 pm
Forum: News
Topic: Z-Pinch Renaissance
Replies: 169
Views: 99282

Re: Z-Pinch Renaissance

LOL! I was just about to post the same :) ZAP is definitely one of the top contenders in the field right now and it is amazing how quickly they got to this point, which makes me quite optimistic. It will be extremely interesting to see where they are going next. A demonstration of notional break eve...
by Skipjack
Tue Sep 29, 2020 6:05 pm
Forum: News
Topic: 62nd Annual Meeting of the APS Division of Plasma Physics
Replies: 1
Views: 361

Re: 62nd Annual Meeting of the APS Division of Plasma Physics

Can't wait to see the actual papers/presentations!
by Skipjack
Tue Sep 29, 2020 5:57 pm
Forum: News
Topic: MIT claim they will build the SPARC
Replies: 18
Views: 21976

Re: MIT claim they will build the SPARC

IF their design checks out, they could have a higher Q than ITER and before ITER even has first plasma. That said, I would still put Tokamak Energy ahead of them, right now (though they were slowed down a bit by COVID). TE's approach seems to be different from Commonwealth in that they are building ...
by Skipjack
Sat Sep 26, 2020 2:47 pm
Forum: News
Topic: House to Vote on Fusion Research and Development
Replies: 9
Views: 1092

Re: House to Vote on Fusion Research and Development

Yeah, that's what I am afraid of. McConnel has refused to put bills to a vote in the past even if they would pass with bipartisan support.
by Skipjack
Fri Sep 25, 2020 11:19 pm
Forum: News
Topic: House to Vote on Fusion Research and Development
Replies: 9
Views: 1092

Re: House to Vote on Fusion Research and Development

Yeah, but Mitch McConnel blocks everything that comes from democrats out of principle and that bill had mostly democrat support. Also note that the fusion part was only an amendment to a much larger bill that contains a lot more other things that may be tougher to get past the GOP controlled senate....
by Skipjack
Fri Sep 25, 2020 6:46 pm
Forum: News
Topic: House to Vote on Fusion Research and Development
Replies: 9
Views: 1092

Re: House to Vote on Fusion Research and Development

Well, before we all get our hopes up. It needs to get past Mitch McConnel and the Senate first.
by Skipjack
Fri Sep 25, 2020 12:08 am
Forum: News
Topic: House to Vote on Fusion Research and Development
Replies: 9
Views: 1092

Re: House to Vote on Fusion Research and Development

Looks like it passed:
"The Lamb-Trajan fusion amendment was included in the Energy Innovation Act HR4447, which passed about an hour ago."
Still has to go through the Senate, from what I understand.