Toroids with Wing-Like Internal Structure.

Discuss the technical details of an "open source" community-driven design of a polywell reactor.

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Billy Catringer
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Toroids with Wing-Like Internal Structure.

Postby Billy Catringer » Wed Mar 18, 2009 12:34 am

This is my first rough layout of a toroid with internal similar to the structure of an aircraft wing. It is also the result of me learning to use Blender's built-in render engine:

Image

This shows a 5 degree segment of the LHe Jacket and the SC Conductor standing vertically. The center of the REACTOR is to your left. The center of the torus is straight down. Light blue designates 316SS. Brown designates the super conductor. Dark green is for electrical insulation.

This is to scale, but I am going to change a number of things, starting with the wall thickness of the jacket. Right now it is 9.5mm. I am going to change that to 10mm to take advantage of commercially available plate. This would be roughly the same as STD Wall pipe, or 3/8" wall.

There are a number of concerns when attempting this approach. Each torus will actually be two, not one wing. Each half-shell will need its own structure that renders that half-shell rigid. The two half-shells will be joined together by two seam welds to make the two pieces into a single rigid whole.

Fabricating the pieces will likely be a two step process. The plate will be cut out on a laser or plasma arc table and then sent to a CNC machine for final sizing. The inside of a torus presents us with a much more complex geometry than that found inside of an aircraft wing.

The internal structure will require a carefully written out set of assembly instructions and check list. If parts of the structure are installed in the wrong order, it will be impossible to weld some, possibly many, of the subsequent pieces.

Inspection will be time consuming and may hold up work on a single torus for hours at a stretch. It will be necessary to assemble the torii concurrently in order to balance manpower around inspection.

This kind of structure will in no way be in compliance with ASME B31.1, save possibly on the inspection procedures. This will complicate things for investors and underwriters.

As you can see, I still have a long way to go.

KeithChard
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Postby KeithChard » Wed Mar 18, 2009 2:55 pm

Keith

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Postby KitemanSA » Wed Mar 18, 2009 3:54 pm


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Postby KeithChard » Wed Mar 18, 2009 6:52 pm

Modifying the core cross section might be the starting point for changing the outer profile. More field line calculations are needed.
Keith

Billy Catringer
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Postby Billy Catringer » Thu Mar 19, 2009 5:52 pm


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Postby MSimon » Thu Mar 19, 2009 6:16 pm


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Postby KitemanSA » Thu Mar 19, 2009 9:53 pm


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Postby MSimon » Thu Mar 19, 2009 10:44 pm


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Postby KitemanSA » Fri Mar 20, 2009 12:12 am


KeithChard
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Postby KeithChard » Fri Mar 20, 2009 12:10 pm

Keith

Billy Catringer
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Postby Billy Catringer » Fri Mar 20, 2009 2:02 pm


Billy Catringer
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Postby Billy Catringer » Sat Mar 21, 2009 2:16 am

Okay, here is my second pass. This one is a lot smoother with the electrical insulation safely trapped between the metal and the SC Core. The empty slots will be for additional support rings. The two ribs you can now see still need more work. I am going to make some minor changes to their shape and will add holes to them during the next pass. We can't use solid pieces anywhere in this thing because that would block the flow of the coolant.

The beveled edges are where welding will be done.

Image

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Postby KitemanSA » Sat Mar 21, 2009 4:05 am


Billy Catringer
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Postby Billy Catringer » Sat Mar 21, 2009 4:31 am


Billy Catringer
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Postby Billy Catringer » Sat Mar 21, 2009 4:56 am

Same thing with the parts spread out a bit and with the SC Core and the electrical insulation removed.

Image


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