Those ‘lines’ would just be ‘contours’ indicating (like iso-bars) constant field strength. There is no law for ‘continuity of lines’ but continuity of magnetic flux.

 

All that is happening when you have conductive flowing plasma is that field lines are associated with the flow of this flux. In the case of the sun there comes a point where the magnetic forces exceed the hydrodynamic forces such that the plasma takes up a simpler configuration with respect to the field.

 

Consider this: imagine at the equator of the sun there is a net flow of plasma circumferentially with rotation (also radial convection cells underneath), each convection cell looks like a solenoid and you’d get a North and South pole astride the equator. Now factor in other effects, such as rotation speed based on latitude, Corollis forces etc. and the current distribution and hence field becomes more contorted – the field lines will follow the plasma which gets stratiated (as in strata). What happens then is that the field lines get stratiated too. The packed field lines means a large change in magnetic potential – it is an energy storage mechanism, the rotational energy and heat energy of the sun gets stored in the plasma by hydrodynamic and electrodynamic effects (charged particles forced to do work against a certain field configuration and held there by mechanical forces). There comes appoint where the ‘liquid’ is put under immense shear by these electromagnetic forces and the flow suddenly changes to a simpler configuration. The excess energy is released in a burst of em radiation, prominences etc.

 

I can’t see what this has to do with a SMOT or a Steorn so you are right, this thread is bunk.

 


From: John Berry [mailto:[EMAIL PROTECTED]
Sent: 14 September 2006 12:58
To: [email protected]
Subject: Re: [Vo]: Robin

 

My understanding was that magnetic fields weren't really 'lines' but a smooth field and were never really cut or broken, this thread sounds like bunk I'm afraid.

How far apart are these lines? if I was small I guess I could navigate around them and not feel a field.

Can I tie the lines in a knot?

I think your taking the whole line this far too literally, it's just a cruch, Do you think the magnetic lines come out of one end on a magnet and go in the other too?

On 9/14/06, Remi Cornwall <[EMAIL PROTECTED]> wrote:

Robin, you've either got the knack or you haven't. Those SMOT, Steorn,
Shawyer folks are amateurs.

Anyway about your Van Allen Belt ideas, why not just use a search coil and
see what you pick up. I bet you'd get a large emf at the time of a CME but
we already knew that.

-----Original Message-----
From: Robin van Spaandonk [mailto:[EMAIL PROTECTED]]
Sent: 14 September 2006 04:22
To: [email protected]
Subject: Re: [Vo]: Robin

In reply to  Remi Cornwall's message of Tue, 12 Sep 2006 12:00:55
+0100:
Hi,
[snip]
>May be, but not with some frigging wheel with magnets on it made by a bunch
>of self-publicity junkies a la Steorn or SMOT.
>
>Without expending too much time on non-starters, just devise some
>heuristics. How can that be?

You already said yourself that rotation of the bodies involved is
what gets the lines tangled. So if the Earth's field lines can be
concentrated locally, then twisted till they "snap" we might get
see something interesting. As everyone knows, magnetic conductors
tend to concentrate the field lines in their vicinity. So what
happens when a North South oriented magnetic conductor is rotated?

Regards,

Robin van Spaandonk

http://users.bigpond.net.au/rvanspaa/

Competition provides the motivation,
Cooperation provides the means.

 

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