@snedie69er breaching the reactor wall would ruin the magnetic containment field. Plasma won't maintain pressure, and fusion would stop. Tokamaks are highly dependent on the integrity of their magnetic fields.
@eggroll9000 purity isn't required for stability, since the plasma constantly is generating reaction products (especially the less-ideal side reactions). Stability is more based on the temperature than purity. However, purity would particularly affect its efficiency.
@EmperorOfMars The plasma by definition is an ionized gas, or a gas with particles that are not neutral in electrical charge. Also, charged particles in a magnetic field feel a force on them and hence they start moving in helical orbits parallel to the direction of the magnetic field. Now as they are moving, they collide with other particles to generate heat, this is one method, however this is not enough to get the required temperature.
@EmperorOfMars That heating, however is not enough, so they inject neutral particles at high velocity and since they are neutral magnetic fields do not affect them and they penetrate deep in the plasma causing additional heating. If you look in the video you'll see holes in the vessel's wall in which they have antennas to shoot radio frequency waves to heat the plasma in a way similar to that of a household microwave oven. I hope it helped.
@panzarw Well, they do work, the holes don't matter as magnetic fields confine the plasma, not the container itself. At present the tokamaks release roughly the same amount of energy as they consume, the goal of the researchers right now is to increase that factor up to 10. Cheers.
if so, how does not having a magnetic field in that spot affect the plasma (window -> no magnet -> lack of localized magnetic field)? doesn't it create a weak spot for the plasma to leak out of?
Although the plasma is contained in a vacuum environment to keep it pure, the plasma itself has mass and is vibrating rapidly like the super-heated gas it is. The thermal energy is so high that the electrons are shooken away forming a soup of rapidly vibrating (high thermal energy) electrons and nuclei.
@Hamimatthew- For some plasma, doesn't it get so hot that you can't actually see the plasma, just the extreme temperature shift around it. I read this off somewhere, wanted to confirm.
@KittyRokher , Well yes you don't see the plasma because in the plasma there are electrons pulled out of their atomic orbits, however the edges are visible as they are the cooler regions(divertors, if you're interested) and in these region the electrons are once again trapped in their respective atomic orbits and as they change their energy levels the light is emitted, that's why it's only visible on the edges.
@superseung Yes, the entire volume is filled of plasma, where the "entire volume" is little bit less than the total volume of the toroidal chamber because we don't want the plasma to touch the walls because of contamination and since the chamber is itself at much lower temperature(compared to the plasma), if the plasma were to touch it, it will cool down and we need high temperatures to initiate and/or maintain fusion reaction.
no, the magnetic field holds the plasma away from the walls of the vessel. Thats what makes it so bloomin' hard to operate. Before you ask, if the magnetic field stops pinching it, the reaction just fizzles out.
In fact the first reactors were constructed with ceramic insisde. But the sputtering caused when when plasma touched that ceramics had as a result that all energy from plasma flyed away with radiation from the impurities. They turned to steel, instead of ceramics.
It is most likely a piece of dust. Once it hits the edge plasma it becomes partially ionized and begins to radiate a lot of light. Also, because it becomes charged it becomes influenced by the fields inside the vessel and is briefly accelerated.
Well, maybe it is progress, who knows. Within 5 years my country will start transfering money to Brusells, then i will be more interested in this project, but right now, the EU transfers money to us, so i sit quiet.
The heat generated in this plasma is apparently so hot that it cannot be contained because the container would melt. The answer was to contain the plasma in a huge magnetic circular tube. this video shows the plasma flying about yet confined by a magnetic field <----im not positive but thats my best answer
The plasma must be kept confined and very hot for as long as possible. To keep it hot transport of energy from the plasma to the walls must be very low.
One way to do this is to use a donut shaped vessel with a strong magnetic field to try and keep the ions in the plasma circling for as long as possible without hitting the walls.
It's hard to keep that situation stable; in part because the plasma generates its own magnetic field when it circles around in the donut.
Everything in Nature has a use. That magnetic field generated by the plasma has a use, we just don't know how to collimate the fields yet to make it work. The idea is to get it to work like a laser, but particles such as protons and electrons don't like to do that.
That is basically why this machines are getting useless after a few hundred hours of operation :) This is not to produce energy (it sucks up thousand times more energy than it delivers) it's used as an experimental base for nuclear physics. The magnetic bottle inside the tokamak needs the electric power of a city with 50.000 inhabitants.
wrrrrong. They've already managed to get out as much energy from the reactor as it consumes.. I believe that the ITER will produce a lot more than it uses when it's built.
isnt the problem with this reactor is endurance
thanks for any answer
RIEKSONE 1 month ago
soviets invented that.
Fantomas24ARM 8 months ago
@snedie69er breaching the reactor wall would ruin the magnetic containment field. Plasma won't maintain pressure, and fusion would stop. Tokamaks are highly dependent on the integrity of their magnetic fields.
blueshift77 9 months ago
@eggroll9000 purity isn't required for stability, since the plasma constantly is generating reaction products (especially the less-ideal side reactions). Stability is more based on the temperature than purity. However, purity would particularly affect its efficiency.
blueshift77 9 months ago
8) OMG
fifi951117 9 months ago
I think the speckling 'grain' that can be seen is Fusion taking place?
xoio 9 months ago
This is fucking powerful you can see neurons
Graham527r 10 months ago
This is fuck power Fu
Graham527r 10 months ago
What would happen if the plasma breached the wall?
snedie69er 1 year ago
@snedie69er it would just instantly stop because plasma needs to be 100% pure in order to be stable
eggroll9000 11 months ago
the dots appearing on the camera screen are radioactive particals, most likely neutrons from fusion. there destroying the camera...
iminyourbasement 1 year ago
how do they heat the plasma?
EmperorOfMars 1 year ago
@EmperorOfMars The plasma by definition is an ionized gas, or a gas with particles that are not neutral in electrical charge. Also, charged particles in a magnetic field feel a force on them and hence they start moving in helical orbits parallel to the direction of the magnetic field. Now as they are moving, they collide with other particles to generate heat, this is one method, however this is not enough to get the required temperature.
wyoliks 1 year ago
@EmperorOfMars That heating, however is not enough, so they inject neutral particles at high velocity and since they are neutral magnetic fields do not affect them and they penetrate deep in the plasma causing additional heating. If you look in the video you'll see holes in the vessel's wall in which they have antennas to shoot radio frequency waves to heat the plasma in a way similar to that of a household microwave oven. I hope it helped.
wyoliks 1 year ago
so as we know those things are full of holes for cameras and they dont work, only glow brighter at a second and the next second they are dark.
panzarw 2 years ago
@panzarw Well, they do work, the holes don't matter as magnetic fields confine the plasma, not the container itself. At present the tokamaks release roughly the same amount of energy as they consume, the goal of the researchers right now is to increase that factor up to 10. Cheers.
wyoliks 1 year ago
so could you make a gun out of it?! Like a... plasma gun? One that doesn't get hot, like mastercrafted? /40k mode off
doloppost 2 years ago
go ahead, try. It will please me. Plus, i can treat burns XD
KittyRokher 2 years ago
i think you could but you ll have to handle the 100 million kelvin lol
roflzi 2 years ago
Comment removed
hamimatthew 2 years ago
Quit screwing guys and quit using drugs.
madisonelectronic 2 years ago 2
Comment removed
hamimatthew 2 years ago
why doesent the camera melt?
Frances3654 2 years ago
because it is not in the reactor
christos360 2 years ago
so theres a window to the reactor, right?
if so, how does not having a magnetic field in that spot affect the plasma (window -> no magnet -> lack of localized magnetic field)? doesn't it create a weak spot for the plasma to leak out of?
sbunkboy3 2 years ago 2
Magic!
Broommaster2000 2 years ago
stop making sense.
trexilll 2 years ago
12-02 18: 12: 16: 69 is a beautiful thing.
Nice ;-)
AdminOnDuty 2 years ago 4
Yep!!!
sbunkboy3 2 years ago
This has been flagged as spam show
If its all in vacuum then how come the temperature is so high? can light have temperature too?
ToothyGus 3 years ago
It seems you haven't grasped the concept of heat.
albedoshader 2 years ago
Although the plasma is contained in a vacuum environment to keep it pure, the plasma itself has mass and is vibrating rapidly like the super-heated gas it is. The thermal energy is so high that the electrons are shooken away forming a soup of rapidly vibrating (high thermal energy) electrons and nuclei.
hamimatthew 2 years ago 2
@Hamimatthew- For some plasma, doesn't it get so hot that you can't actually see the plasma, just the extreme temperature shift around it. I read this off somewhere, wanted to confirm.
KittyRokher 2 years ago
@KittyRokher , Well yes you don't see the plasma because in the plasma there are electrons pulled out of their atomic orbits, however the edges are visible as they are the cooler regions(divertors, if you're interested) and in these region the electrons are once again trapped in their respective atomic orbits and as they change their energy levels the light is emitted, that's why it's only visible on the edges.
wyoliks 1 year ago 5
@wyoliks Thanks man.
KittyRokher 1 year ago
@wyoliks So the entire volume of the reactor is actually filled with invisible plasma?
superseung 1 year ago
@superseung Yes, the entire volume is filled of plasma, where the "entire volume" is little bit less than the total volume of the toroidal chamber because we don't want the plasma to touch the walls because of contamination and since the chamber is itself at much lower temperature(compared to the plasma), if the plasma were to touch it, it will cool down and we need high temperatures to initiate and/or maintain fusion reaction.
wyoliks 1 year ago
what would happen if you put a person in there?
IvanDrago187 3 years ago
why you'll have wasted a perfectly good white boy, of course.
admiraldiggities 3 years ago
It probably wouldn't start, this is all in a vacuum. If you could get a person to just appear in side? well it is 100,000,000 kelvin so....
burn70u7 3 years ago 2
This Is a Freaking Fusion Reactor! Look up Nuclear Fusion
SoronII 3 years ago
wooooow... it's so pretty! o_O
bionerd23 3 years ago
This comment has received too many negative votes show
See also David Adair Reveals Light Speed UFO Technology Pt.. 1 for information as to where this technology came from, and how we got it
freeenergy4everyone 3 years ago
So is it safe to say that it is built internally out of some sort of ceramic composite to prevent invetiable melt down?
cuevman 3 years ago
no, the magnetic field holds the plasma away from the walls of the vessel. Thats what makes it so bloomin' hard to operate. Before you ask, if the magnetic field stops pinching it, the reaction just fizzles out.
th3d3wd3r 3 years ago
In fact the first reactors were constructed with ceramic insisde. But the sputtering caused when when plasma touched that ceramics had as a result that all energy from plasma flyed away with radiation from the impurities. They turned to steel, instead of ceramics.
echever7 3 years ago
Hi anyone watched this frame by frame you can see something at 18:12:01:21 like a streak of light, then again near the end of tape 18:12:15:97 ?
Any idea's?
freeenergy4everyone 3 years ago
Probably just neutron's bashing into an electron and jumping energy level causing the emmision of a photon.
th3d3wd3r 3 years ago
It is most likely a piece of dust. Once it hits the edge plasma it becomes partially ionized and begins to radiate a lot of light. Also, because it becomes charged it becomes influenced by the fields inside the vessel and is briefly accelerated.
joshuaki3 3 years ago
Is that really 180,000,000 deg F?
cuevman 3 years ago
If 180e6 F is 100 million K, then yeah.
baley7 3 years ago
Not sure about how much is it in F (can't be bothered to make the conversion but the order of magnitude is correct)
Note that you only see the colder part of the fluid. The hot plasma is too hot to be seen. It's actually glowing in X-rays
baley7 3 years ago
holy crap...
sciencoking 3 years ago
Interesting... Tokamak at work...
SiergiejLowca 3 years ago
this video dosent work...
rotvika 3 years ago
Hmmmmm ... Half a second of stable work.
Well, maybe it is progress, who knows. Within 5 years my country will start transfering money to Brusells, then i will be more interested in this project, but right now, the EU transfers money to us, so i sit quiet.
AG0525 4 years ago
I bet that in the future in 'black universities' black professors say that fusion rector was actually their invention...
xjuhox 4 years ago
stevebd1, what exactly am I looking at here?
akathasamurai 4 years ago
The heat generated in this plasma is apparently so hot that it cannot be contained because the container would melt. The answer was to contain the plasma in a huge magnetic circular tube. this video shows the plasma flying about yet confined by a magnetic field <----im not positive but thats my best answer
tetranoob 4 years ago
The plasma must be kept confined and very hot for as long as possible. To keep it hot transport of energy from the plasma to the walls must be very low.
One way to do this is to use a donut shaped vessel with a strong magnetic field to try and keep the ions in the plasma circling for as long as possible without hitting the walls.
It's hard to keep that situation stable; in part because the plasma generates its own magnetic field when it circles around in the donut.
soylentgreenb 4 years ago
Everything in Nature has a use. That magnetic field generated by the plasma has a use, we just don't know how to collimate the fields yet to make it work. The idea is to get it to work like a laser, but particles such as protons and electrons don't like to do that.
chaosopher23 3 years ago
can i use thats as i microwave? i need to heat up some tea :)
taliban0king 4 years ago
sweet!
bill16 4 years ago
OMG! did you say 100million kelvin?!?!?!??
Zantaff124 4 years ago 3
the Japanese JT-60 Tokamak holds the record at 520 million kelvin.
stevebd1 4 years ago 6
@stevebd1 510 MK
undokat 1 year ago
@stevebd1 Don't those use some sort of advanced cryogenic cooling system?
jeff42951 1 year ago
@stevebd1 Golly gee, 45KeV.
U235hexafluoridedude 4 months ago
That is basically why this machines are getting useless after a few hundred hours of operation :) This is not to produce energy (it sucks up thousand times more energy than it delivers) it's used as an experimental base for nuclear physics. The magnetic bottle inside the tokamak needs the electric power of a city with 50.000 inhabitants.
WolYou 4 years ago
were getting there thought!!!!.
Longer more stable reactions, much more efficient spherical tokamaks (much higher power input to power out put ratio's) etc.
I don't think the 50 year projection is that accurate, I would say more like half that!
joebot1 4 years ago
And what did they say about flying cars 40 years go?
Beanie0 4 years ago
"And what did they say about flying cars 40 years go?"
Fuel costs, air traffic control and the thought of putting flying machines in the hands of bumbling idiots doomed the concept.
It was never a technical problem.
soylentgreenb 4 years ago 2
wrrrrong. They've already managed to get out as much energy from the reactor as it consumes.. I believe that the ITER will produce a lot more than it uses when it's built.
korteksi 4 years ago
"...it's used as an experimental base for nuclear physics."
Nope, plasma physics. Nuclear fusion is well understood.
soylentgreenb 4 years ago
physics is just amazing
Amanari 4 years ago
Hmm, toasty!
bigwhiteyeti 4 years ago
Now thats what McDonals needs for fast food cooking.
AussieMate10110 4 years ago
rather to vaporise food XD
Helge129 4 years ago