Search found 560 matches

by Kurt Sellner
Nov 10, 2018 3:45 am
Forum: Safety, Security, Proliferation
Topic: Can Radium226 Be Used To Make A LFTR An Appreciable Breeder?
Replies: 4
Views: 595

Re: Can Radium226 Be Used To Make A LFTR An Appreciable Bree

I am curious if primary neutron sources such as: Californium-252 Plutonium-238 americium-241 polonium-210 radium-226 Specifically Radium 226 could be used to boost the output of a LFTR such that it generated more U-233 than it consumed. I'm not an expert here but I'm just thinking this through from...
by Kurt Sellner
Oct 13, 2018 10:26 pm
Forum: Political, Industrial, Organizational Developments
Topic: Tennessee Valley Authority developments
Replies: 101
Views: 4938

Re: Tennessee Valley Authority developments

TVA, environmental groups duel over the future of solar energy Just about 13 percent of that power now comes from renewable sources, and only 3 percent from wind and solar, according to TVA’s figures. The latter figure is expected to grow over the next decade. But not by much, compared to other pow...
by Kurt Sellner
Sep 06, 2018 1:28 am
Forum: Chloride Reactor Design
Topic: TerraPower's molten chloride fast reactor design
Replies: 108
Views: 30633

Re: TerraPower's molten chloride fast reactor design

There's quite the discussion about this over at Slashdot. https://hardware.slashdot.org/story/18/08/24/2338200/americas-energy-department-works-with-bill-gates-to-test-mini-nuclear-reactors The people are are largely computer geeks and IT nerds and this got their attention because Bill Gates is inv...
by Kurt Sellner
Sep 06, 2018 1:05 am
Forum: Liquid-Metal-Cooled Reactors
Topic: LeadCold SEALER
Replies: 2
Views: 3620

Re: LeadCold SEALER

Is it just me or has there been a lot of news on molten metal cooled fast breeders? Not all the news was good but not all bad either. SEALER looks like just another variation on the theme. Here's something else that seems to keep popping up... Unfortunately, the U.S. NRC has not yet implemented an a...
by Kurt Sellner
Aug 26, 2018 2:41 am
Forum: Chloride Reactor Design
Topic: TerraPower's molten chloride fast reactor design
Replies: 108
Views: 30633

Re: TerraPower's molten chloride fast reactor design

Energy Dept Tweet about MSRs Energy Department teams up with Bill Gates to move mini-nuclear plants to market The Energy Department is participating in major push with electric utility Southern and a company founded by Microsoft founder Bill Gates to develop small nuclear power reactors that are le...
by Kurt Sellner
Aug 17, 2018 4:53 pm
Forum: Safety, Security, Proliferation
Topic: Interesting article on potential proliferation
Replies: 7
Views: 1416

Re: Interesting article on potential proliferation

232U is moderately fissile. Yes, I noticed that in my own research. If I'm reading these charts I found correctly there's a 50/50 chance of U-232 fissioning or capturing a neutron when smacked with one. If it capture then it's just U-233 and smacking it with another neutron has a high probability o...
by Kurt Sellner
Aug 17, 2018 2:51 am
Forum: Safety, Security, Proliferation
Topic: Interesting article on potential proliferation
Replies: 7
Views: 1416

Re: Interesting article on potential proliferation

I may be going off topic a bit here but I was giving this article some thought the last couple days. Assuming the separation of U-232 from U-233 was as trivial as claimed by The Bulletin would there be any reason someone might want to do so besides to produce weapon grade material? I'm assuming some...
by Kurt Sellner
Aug 14, 2018 7:55 pm
Forum: Safety, Security, Proliferation
Topic: Interesting article on potential proliferation
Replies: 7
Views: 1416

Re: Interesting article on potential proliferation

Any comments? Sure, none of them nice though. I'll be as diplomatic as I can to explain my view of the situation. Any nuclear reactor has the potential to produce weapon grade material. The production of weapon grade U-233 from natural thorium is quite similar to that of producing weapon grade Pu-2...
by Kurt Sellner
Apr 22, 2018 9:43 pm
Forum: Energy Issues and Technologies
Topic: Nuclear Ship Propulsion
Replies: 139
Views: 17108

Re: Nuclear Ship Propulsion

Uh, sorry sport, you aren't going to power ships on batteries, and you sure aren't going to do it on fluffy hydrogen. No way. You might do it with biofuel, but it will be incredibly expensive. It will basically be nuclear energy or....or....or.... Or wind? As far back as I can recall every mention ...
by Kurt Sellner
Oct 30, 2017 8:44 am
Forum: Political, Industrial, Organizational Developments
Topic: Toshiba and Westinghouse
Replies: 148
Views: 32816

Re: Toshiba and Westinghouse

From the article: But Jacobs knew that a nuclear renaissance wouldn't happen unless Westinghouse built Vogtle on time and on budget. I agree. Nuclear power cannot and will not become the CO2 free energy source we are looking for unless someone, somewhere, can prove that new nuclear power plants can ...
by Kurt Sellner
Oct 10, 2017 4:02 am
Forum: Water-Cooled Reactors
Topic: Good news for advocates of the floating nuclear powerplant
Replies: 68
Views: 23213

Re: Good news for advocates of the floating nuclear powerpla

I remembered a video of a presentation on a floating combined fuel and power facility. https://www.youtube.com/watch?v=G8zOHZINyG8 It's less than 15 minutes and worth every minute. The video is also a couple years old so it would be interesting to see how much further they've got in scaling up this ...
by Kurt Sellner
Oct 07, 2017 7:34 pm
Forum: Japan
Topic: Policy change in Japan
Replies: 36
Views: 11212

Re: Policy change in Japan

Japan nuclear panel plans reduction in plutonium stockpile, but details remain unclear According to the document, Japan had about 47 tons of plutonium as of the end of 2016, down 1 ton from a year before thanks to the start of two reactors that use MOX fuel. Even so, the amount is said to be enough...
by Kurt Sellner
Sep 27, 2017 4:54 pm
Forum: Fluoride Reactor Design
Topic: Congratulations to David LeBlanc (ORNL)
Replies: 147
Views: 33021

Re: Congratulations to David LeBlanc (ORNL)

In this case I wish you good luck in having full onsite fuel reprocessing for under 0.2 cents/kWh. You're going to need it. Well, that is the gamble the Flibe and Terrestrial has made. Flibe is betting on being able to get online processing costs low enough to be economical. Terrestrial is betting ...
by Kurt Sellner
Sep 27, 2017 12:54 am
Forum: Fluoride Reactor Design
Topic: Congratulations to David LeBlanc (ORNL)
Replies: 147
Views: 33021

Re: Congratulations to David LeBlanc (ORNL)

And all this is arguing over 0.2 cent/kWh for the fuel. aesthetically pleasing, but totally pointless economically. A quick Google search tells me that your cost estimate for fuel is close enough to real numbers that I'm not going to dispute it. A quick Google search also tells me that the typical ...
by Kurt Sellner
Sep 25, 2017 5:47 pm
Forum: Fluoride Reactor Design
Topic: Congratulations to David LeBlanc (ORNL)
Replies: 147
Views: 33021

Re: Congratulations to David LeBlanc (ORNL)

In any case, thorium advocates better get comfortable with higher reactive fissile materials, because a thorium reactor CAN NOT be started with 5% LEU or it's equivalent in transuranic material. It needs something one-heck-more-reactive to start up with, and the implications of this - both technica...