In their[url="http://journals.aps.org/prx/abstract/10.1103/PhysRevX.5.021024"]recent paper[/url], the EMC2 team listed the cusp confined volume as 5000 cm^3. That is crazy big. If that was shaped as a sphere, it would nearly fill the whole ring volume.
This is too scale. Here is my question: what is the magnetic field vector field outside this plasma volume?
There is an easy way to estimate this: treat the vector field made by the B field like a flowing fluid and solve it with some free CFD software. I would start with a two dimensional simulation.
I am trying to use simFLOW to do this CFD simulation. A couple of issues I am having:
1. Doing a 2D simulation does not seem possible (or easier) in simFLOW. I switched to 3D.
2. Fortunately, I can import the ring geometry into simFLOW using STL files.
3. How do I define the boundary conditions?
All the X-, Y- and Z- faces are planes of symmetry. But, the positive faces need to be broken up into “inlet” and “outlet” surfaces. How do I do that?
4. How do I mesh the space between the rings and the spherical surface only?
Discuss how polywell fusion works; share theoretical questions and answers.
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