Out of Nowhere... A Wild Tokawell Appears!
Posted: Sun Aug 09, 2015 8:15 pm
I have been working on the design and the math on this for roughly about a week and a half. Now this is a directy copy and past out of fusor.net because im not getting any bites over there. Hopefully you guys can help me.
Post 1
Chamber is 2 pipes one with 8" OD the other with a 2.5". 1/2" stainless plate welded to the bottom of both pipes with a hole in the middle of the plate where the smaller pipe is. It will be pressure tested and polished. The upper 1/2 stainless plate will be grooved to fit the 8" pipe wall and the 2.5" pipe wall. It will overlap the middle by 1/2" to insure the knife edge will get a seal. The groves will have rubber gaskets at the bottom of them and vacuum grease. The chamber will be pressed together with 9 bolts through 5/8" plywood. One on top and one on bottom. The bolt going through the center pipe will probably be made out of acrylic to prevent accidental induction.
The Chamber
https://tinkercad.com/things/0dK88YjHCmB
Outer pipe is missing so you can see the inside of the chamber. (please excuse my poor attempt at drafting, I'm still learning. This is only so you can get an idea of what im talking about.)
Poloidal Magnet:
The center pipe will have a induction coil wrapped around it and powered via a positive DC power source. The poloidal magnet will not only give the chamber a positive charge to repel Ions but will also help direct them back to the center potential. The magnet is not for Plasma Confinement more along the lines of preventing ion conduction through the chamber.
Toroidal Cage Magnet:
The Thesis posted below explains how 2 individuals were able confine electrons in an open torus magnet at 500 gauss with a potential of 10eV. 10eV is nowhere close to what we need for fusion but if it works on a small scale it should work on a larger scale. I will build the Toroid out of coiled copper INSULATED wire and have the 2 electrodes for electron source between coils close to the walls of the toroid to prevent electron conduction. The idea here is to have the toroidal magnet just strong enough to contain electrons only and not effect Deuterium Ions, and allow for D2 atoms to pass into the toroid, be stripped to an ION, accelerate down the hill and hopefully fuse. I am hoping to see somewhere around 12.5keV potential but I am afraid because of the design I may need a higher potential to be able to have more fusion chances. Ion injection is probably going to have to be required eventually for higher neutron counts obviously. Containment of electrons over Ions shouldn't be too difficult seeing as electrons weigh so much less than deuterium ions.
Thesis: http://www.ipr.res.in/library/onlineres ... ameerk.pdf
Summary:
This design, I am hoping will help prevent most grid/chamber collisions from electrons and possibly IONS. I am still learning physics, fusion, and electrical engineering so please bear with me. If you have input to be able to make this work PLEASE help haha. I am also to people tearing this thing apart because it won't work, just let me know why please.
Questions:
Does electron keV effect the amount of magnetic force required for confinement? Meaning, Does higher keV require more Gauss for confinement for electrons?
With the electrodes on opposite sides of the toroidal coil, 180 degrees out, is there a chance of arcing to the toroidal coil even if it is shielded? Last thing I want to do is run 15kv through a circuit that is only meant for like 200V.
Post 2
So insomnia got the best of me last night and i started drawing and thinking more on this design. I am thinking of having the Toroidal Coil Negatively charged. Even with small amounts of Positive charge it may repel already active IONs in the chamber away from the Coil, preventing them from falling into the potential well.
Feedback please. I am about to start ordering stuff to build the chamber and I dont want to get too deep into this design if it fundamentally will not work, granted i guess i could make a homemade Tokamak if thats the case.
Post 3
I need a little help with calculating magnetic force. Trying not to get so high as to effect deuterium IONs but confine electrons. I have done alot of math but I am at a stand still for calculating force and flux density. Any help would be nice. I am stuck here until i get some units to start wrapping coils.
Deuterium Relativistic mass at 15kve =3.3445237x10^-27 kg
Electron Relativistic mass at 15kve =9.3769863x10^-31 kg
Now im not sure if electron density is going to play a part into having to have a stronger field since technically it will be increasing the total mass inside of the toroidal coil.
Deuterium being several magnitudes heavier than electrons you would think this would be easy. I keep running into sub-earth magnetic field strengths, which brings up a few questions. Will the earth's magnetic field interfere with the chamber if i am running say something around .31 guass. How impossible that sounds to fabricate.
https://en.wikipedia.org/wiki/Orders_of ... etic_field)
according to this and my relative weight of my charged particles along with the momentum of each
electron - 6.65767x10^-29 kg-m/s
Deuterium - 4.02249x10^-21 kg-m/s
im starting to believe im going to have to build a weak toroidal coil and hope the ions will have enough energy to escape it
Post 1
Chamber is 2 pipes one with 8" OD the other with a 2.5". 1/2" stainless plate welded to the bottom of both pipes with a hole in the middle of the plate where the smaller pipe is. It will be pressure tested and polished. The upper 1/2 stainless plate will be grooved to fit the 8" pipe wall and the 2.5" pipe wall. It will overlap the middle by 1/2" to insure the knife edge will get a seal. The groves will have rubber gaskets at the bottom of them and vacuum grease. The chamber will be pressed together with 9 bolts through 5/8" plywood. One on top and one on bottom. The bolt going through the center pipe will probably be made out of acrylic to prevent accidental induction.
The Chamber
https://tinkercad.com/things/0dK88YjHCmB
Outer pipe is missing so you can see the inside of the chamber. (please excuse my poor attempt at drafting, I'm still learning. This is only so you can get an idea of what im talking about.)
Poloidal Magnet:
The center pipe will have a induction coil wrapped around it and powered via a positive DC power source. The poloidal magnet will not only give the chamber a positive charge to repel Ions but will also help direct them back to the center potential. The magnet is not for Plasma Confinement more along the lines of preventing ion conduction through the chamber.
Toroidal Cage Magnet:
The Thesis posted below explains how 2 individuals were able confine electrons in an open torus magnet at 500 gauss with a potential of 10eV. 10eV is nowhere close to what we need for fusion but if it works on a small scale it should work on a larger scale. I will build the Toroid out of coiled copper INSULATED wire and have the 2 electrodes for electron source between coils close to the walls of the toroid to prevent electron conduction. The idea here is to have the toroidal magnet just strong enough to contain electrons only and not effect Deuterium Ions, and allow for D2 atoms to pass into the toroid, be stripped to an ION, accelerate down the hill and hopefully fuse. I am hoping to see somewhere around 12.5keV potential but I am afraid because of the design I may need a higher potential to be able to have more fusion chances. Ion injection is probably going to have to be required eventually for higher neutron counts obviously. Containment of electrons over Ions shouldn't be too difficult seeing as electrons weigh so much less than deuterium ions.
Thesis: http://www.ipr.res.in/library/onlineres ... ameerk.pdf
Summary:
This design, I am hoping will help prevent most grid/chamber collisions from electrons and possibly IONS. I am still learning physics, fusion, and electrical engineering so please bear with me. If you have input to be able to make this work PLEASE help haha. I am also to people tearing this thing apart because it won't work, just let me know why please.
Questions:
Does electron keV effect the amount of magnetic force required for confinement? Meaning, Does higher keV require more Gauss for confinement for electrons?
With the electrodes on opposite sides of the toroidal coil, 180 degrees out, is there a chance of arcing to the toroidal coil even if it is shielded? Last thing I want to do is run 15kv through a circuit that is only meant for like 200V.
Post 2
So insomnia got the best of me last night and i started drawing and thinking more on this design. I am thinking of having the Toroidal Coil Negatively charged. Even with small amounts of Positive charge it may repel already active IONs in the chamber away from the Coil, preventing them from falling into the potential well.
Feedback please. I am about to start ordering stuff to build the chamber and I dont want to get too deep into this design if it fundamentally will not work, granted i guess i could make a homemade Tokamak if thats the case.
Post 3
I need a little help with calculating magnetic force. Trying not to get so high as to effect deuterium IONs but confine electrons. I have done alot of math but I am at a stand still for calculating force and flux density. Any help would be nice. I am stuck here until i get some units to start wrapping coils.
Deuterium Relativistic mass at 15kve =3.3445237x10^-27 kg
Electron Relativistic mass at 15kve =9.3769863x10^-31 kg
Now im not sure if electron density is going to play a part into having to have a stronger field since technically it will be increasing the total mass inside of the toroidal coil.
Deuterium being several magnitudes heavier than electrons you would think this would be easy. I keep running into sub-earth magnetic field strengths, which brings up a few questions. Will the earth's magnetic field interfere with the chamber if i am running say something around .31 guass. How impossible that sounds to fabricate.
https://en.wikipedia.org/wiki/Orders_of ... etic_field)
according to this and my relative weight of my charged particles along with the momentum of each
electron - 6.65767x10^-29 kg-m/s
Deuterium - 4.02249x10^-21 kg-m/s
im starting to believe im going to have to build a weak toroidal coil and hope the ions will have enough energy to escape it