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re: Fusion question - smart guys help appreciated
Posted on 12/13/22 at 6:04 pm to OldmanBeasley
Posted on 12/13/22 at 6:04 pm to OldmanBeasley
quote:
We now have the ability to fuse a trailer to a boat to form a trailer boat.
Posted on 12/13/22 at 6:04 pm to junior
Think about it like magnets
Two magnets click together there’s a lot of energy when they bond (fusion)
If you get two paired magnets to split apart and surround them with a bunch of other magnets you can get a chain reaction going (fission)
Two magnets click together there’s a lot of energy when they bond (fusion)
If you get two paired magnets to split apart and surround them with a bunch of other magnets you can get a chain reaction going (fission)
Posted on 12/13/22 at 6:05 pm to junior
Well to create fusion is essentially to simulate the process in the Sun. You are getting hydrogen ions to fuse into helium and this is what creates energy.
Unfortunately recreating the sun on earth isn't easy. It requires temperatures of millions of degrees. Hard to achieve, even harder to sustain.
That's pretty much it.
Unfortunately recreating the sun on earth isn't easy. It requires temperatures of millions of degrees. Hard to achieve, even harder to sustain.
That's pretty much it.
Posted on 12/13/22 at 6:10 pm to UndercoverBryologist
There is somewhat of a misconception that fusion is more efficient because thermonuclear weapons are more powerful.
Per atom, fusion is actually less efficient. (But hydrogen being more abundant and smaller, it’s per volume fuel efficiency is pretty high.)
Moreover, thermonuclear weapons receive the majority of their destructive force from fast fission (something like >70 percent in the case of Castle Bravo). Fusion provided something like 10 percent on its own. But it’s main contribution was the fast neutron which contributed to fast fission.
Per atom, fusion is actually less efficient. (But hydrogen being more abundant and smaller, it’s per volume fuel efficiency is pretty high.)
Moreover, thermonuclear weapons receive the majority of their destructive force from fast fission (something like >70 percent in the case of Castle Bravo). Fusion provided something like 10 percent on its own. But it’s main contribution was the fast neutron which contributed to fast fission.
Posted on 12/13/22 at 6:10 pm to fightin tigers
“The sun is mass of incandescent gas, a gigantic nuclear furnace. Where hydrogen is built into helium at a temperature of millions of degrees” - Albert Newton
Posted on 12/13/22 at 6:11 pm to junior
You are also splitting atoms when producing power. It’s sending one atom into another in which case they split. They just control the rate/ amount that they split at using control rods, boron and so on.
I’d also say it’s not necessarily the process that’s dangerous but the level of severity if a terrorist decides to fly a plane into a plant. Or maybe a nuclear bomb. It provides cheap energy but also has a dark side that people take advantage of.
I’m not sure what you are getting at but be more specific and I’ll give my best answer.
I’d also say it’s not necessarily the process that’s dangerous but the level of severity if a terrorist decides to fly a plane into a plant. Or maybe a nuclear bomb. It provides cheap energy but also has a dark side that people take advantage of.
I’m not sure what you are getting at but be more specific and I’ll give my best answer.
This post was edited on 12/13/22 at 6:13 pm
Posted on 12/13/22 at 6:16 pm to junior
quote:'You can get a bomb out of both, A hydrogen bomb is a secondary explosion, set off by a smaller nuke.
We can get unlimited, safe power from putting atoms together, but we get nuclear bombs when we split them
Posted on 12/13/22 at 6:26 pm to junior
I think you would be best off watching a video that explains fission vs fusion.
two minute video that explains it.
two minute video that explains it.
Posted on 12/13/22 at 6:26 pm to junior
quote:
What am I missing?
The dance part
Posted on 12/13/22 at 6:32 pm to HoboDickCheese
quote:
It’s pretty simple
Yea, but the main winding should be of the normal lotus-o-delta type placed in panendermic semiboloid slots in the stator, every seventh conductor being connected by a non-reversible tremie pipe to the differential girdlespring on the "up" end of the grammeters for it to work the most efficiently.
Posted on 12/13/22 at 6:34 pm to junior
Sometimes it feels good when you’re coming, sometimes it feels good when you’re going, it’s just like that.
This post was edited on 12/13/22 at 6:54 pm
Posted on 12/13/22 at 6:36 pm to jbgleason
quote:
This shite right here is how you get the little green men to show up and kill all of us. How about we don't shoot radioactive waste at them?
Shoot it into the sun
Posted on 12/13/22 at 6:56 pm to keks tadpole
quote:
Making that happen on Earth, spending less energy on the equipment to force the fusion than the energy created at the point fusion is a game-changer. Did I get that right?
Basically. But the important distinction is the energy used to create the magnetic field to contain the reaction is greater than the energy generated by the reaction. The exothermic reaction is so hot it would melt any conventional containment so they use a magnetic field to contain it. Overly simplified, it currently takes 1000MW of electricity to contain the fusion reaction that generates enough btus of heat to generate 700MW of electricity. That game is changed if this test can be duplicated and you generate enough heat to make more electricity than you are using to contain the reaction.
The advantage is the byproduct of the fusion reaction is Helium, as opposed to spent uranium that has to be stored and allowed to decay.
This isn’t some perpetual motion machine as the energy is released by the heat of the reaction. The more efficient we can generate the magnetic field, the more net gain in generation from the heat. The heat in the reaction is “constant.”
Make sense?
This post was edited on 12/13/22 at 7:02 pm
Posted on 12/13/22 at 7:01 pm to junior
quote:
What am I missing?
With fusion, the framus intersects with the ramistan, approximately at the paternoster. That's the most precise and clear explanation that can be given.
Posted on 12/13/22 at 7:04 pm to HoboDickCheese
quote:
You have to have a base plate of pre-famulated amulite surmounted by a malleable logarithmic casing in such a way that the two spurving bearings are in a direct line with the panametric fan. If you don’t, the main winding of the normal lotus-o-delta type placed in panendermic semi-boloid slots of the stator will not stabilize. It’s pretty simple
Glad this is still being taught in the basic engineering curriculum.
Posted on 12/13/22 at 7:07 pm to HoboDickCheese
quote:
You have to have a base plate of pre-famulated amulite surmounted by a malleable logarithmic casing in such a way that the two spurving bearings are in a direct line with the panametric fan. If you don’t, the main winding of the normal lotus-o-delta type placed in panendermic semi-boloid slots of the stator will not stabilize.
When my panedermic semi-boloid slots of the stator do not stabilize, I get diarrhea every time. Sure as sun's nuclear fusion.
Posted on 12/13/22 at 7:38 pm to elprez00
quote:
Overly simplified, it currently takes 1000MW of electricity to contain the fusion reaction that generates enough btus of heat to generate 700MW of electricity. That game is changed if this test can be duplicated and you generate enough heat to make more electricity than you are using to contain the reaction.
I’m nitpicking here since you did say it’s overly simplified - but I don’t think anyone is even attempting to actually generate electricity from a fusion reaction right now. AFAIK they’re trying to get (using your example) >1000 MW of raw heat output from the 1000 MW used to sustain/contain the reaction.
Which is important because even after net gain is achieved, there’s still a long way to go to achieve net generation. The problem is that you kind of need a working fusion reactor before you can start testing designs to efficiently extract the heat from that reactor, especially when you need to both extract heat and extract tritium at a >99% capture rate to keep your fuel supply going.
Posted on 12/13/22 at 7:45 pm to junior
Nothing will come of this until politicians and the elites decide they can get rich off of it.
This post was edited on 12/13/22 at 7:45 pm
Posted on 12/13/22 at 8:04 pm to fightin tigers
“If you build it, they will come”
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