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Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4061
Hi all.
Just found this very interesting page which seems to describe a fusion approach unlike anything I have seen before.
Seems to work by generating two plasmoids at either end of an accelerator chamber, then accelerating them and colliding at the centre in the presence of a strong compression field.
Its an intriguing idea, and would probably scale up nicely when high field RT superconductors become available.
Registered Member #816
Joined: Sun Jun 03 2007, 07:29PM
Location:
Posts: 156
Looking at the description they gave on their webpage, their using the same technique that accelerates a projectile in a coil gun, as well as presumably firing a larger coil wrapped around the centre. I suppose whether it can be made to work or not depends if they can couple enough energy magnetically into the plasma. The second problem is that the efficiency could be so low they may not be able to make it break even.
Though I feel any useful means of fusion is still a long way off yet, it is an original concept, and hope it’s not just there to attract gullible investors.
Registered Member #3414
Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
There is nothing new about Helion's approach.
It's been known for a long time that accelerating deuterium ions towards each other at the correct velocities (google 'fusion cross-section') results in 'some' fusion.
The principle of this device is not a lot different to the Hirsch-Meeks fusor (except that it uses magnets instead of inertial electro-static confinement.)
Dr. Robert Bussard's Polywell uses magnetic confinement to achieve this. The Helion system just uses pulsed power, but is pretty similar in all other respects, as far as the principle is concerned.
They also admit that there are the usual problems associated with 'scaling up' to usable power production levels, etc.
At least ITER is presently concentrating research into developing materials that will last a reasonable time when subjected to neutron bombardment and result in contaminated material that will have a relatively short half-life.
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Colliding plasmoid fusion?
