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Author Topic: Circular Magnetisation within Iron Wire  (Read 6779 times)

Danny

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Circular Magnetisation within Iron Wire
« on: March 05, 2008, 12:31:44 PM »
I came across this interesting introduction of a paper from the late 1800's.
A paper by Auerbach.

The Passage of the Galvanic Current through Iron.

When a circuit
consisting partly of a straight iron wire, and containing a battery, is
closed, the current is at first smaller than the normal current, through
what is termed an " extra current," in opposition to the main current.
On opening the circuit on the other hand, the current is greater than
the normal, the " extra current '' being in the same direction with
the main current.

I assume a coil of iron wire is being used because of their being an open circuit current.

The term 'extra current' is certainly of interest for kick generation.

It is interesting that the collapse current is larger than expected.
Perhaps SM used this to advantage in the oscillations between different coils.

The introductions ends by saying:
"Other phenomena connected with the resistance of iron were also
observed, and are discussed at length in the paper."


I would very much like to get a copy of this paper.
If anyone can please post or pm me.

SM made a point of saying the device was made from baling wire - iron wire.
Is this the reason why ?
Any comment on whether this has relevance to SM TPU ?

The introduction can be found on page 2 of this pdf.
http://www.rsc.org/delivery/_ArticleLinking/DisplayArticleForFree.cfm?doi=CA8793600685&JournalCode=CA


AhuraMazda

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Danny

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Re: Circular Magnetisation within Iron Wire
« Reply #2 on: March 05, 2008, 01:37:01 PM »
Thanks for the link.
Unfortunately the link is for a review of the Auerbach paper by G. FOUSSEREAU and not the actual paper.


AhuraMazda

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Re: Circular Magnetisation within Iron Wire
« Reply #3 on: March 05, 2008, 01:42:45 PM »
I will try again
« Last Edit: March 05, 2008, 02:10:22 PM by AhuraMazda »

magnetoelastic

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Re: Circular Magnetisation within Iron Wire
« Reply #4 on: March 05, 2008, 07:33:28 PM »
The mechanism here has to do with the change in magnetic flux in the wire as current is applied.  This circular magnetic flux will induce a current at the surface of the wire in the opposite direction to the applied current.

I first noticed this phenomenon a number of years ago.

If you take a heavy iron bar, and momentarily connect it to a high-current source (like a car battery), the outside of the bar will remain cool to the touch for some moments after the current is interrupted.  Within a couple seconds after current is removed, (depending on the diameter of the rod) the outside will gradually become so hot that it can no longer be held.  This is because the induced surface current opposes the applied current, effectively forcing all the current to the center of the bar, heating up only the inside.  It takes some time for this heat to be conducted to the outside of the bar.

M


hansvonlieven

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Re: Circular Magnetisation within Iron Wire
« Reply #6 on: March 05, 2008, 08:31:56 PM »
G'day all,

The original article was published in 1878 in Annalen der Physik and is entitled:

Der Durchgang des galvanischen Stromes durch Eisen  Felix Auerbach 1878

You can download it from here ( Sorry it is in German )

http://www.weltderphysik.de/intern/upload/annalen_der_physik/1878/Band_241_289.pdf

Download is free.

Hans von Lieven


Danny

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Re: Circular Magnetisation within Iron Wire
« Reply #8 on: March 05, 2008, 08:50:16 PM »
G'day all,

The original article was published in 1878 in Annalen der Physik and is entitled:

Der Durchgang des galvanischen Stromes durch Eisen  Felix Auerbach 1878

You can download it from here ( Sorry it is in German )

http://www.weltderphysik.de/intern/upload/annalen_der_physik/1878/Band_241_289.pdf

Download is free.

Hans von Lieven
Excellent. Many thanks.

sparks

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Re: Circular Magnetisation within Iron Wire
« Reply #9 on: March 06, 2008, 11:15:28 PM »
   Hans,

  I have come to the same findings as our German friend of 1873 I guess.  The tpu kick windings concentrate the current into the core of the collector/generator winding.  I came to this finding considering what would happen if you pull a wire through a solenoid coil instead of at right-angles to it.  I don't know if it is necessary to use a magnetic wire though.
Anyway this leaves the surface of the collector winding positively charged.  A big round copper capacitor plate. The kick windings should be wound like an automotive starter solenoid pull in coil so as to be high in self-inductance.  This will give the magnetic field it induces a vector quality.  This is how Tesla made such high voltage transformers.  He got the magnetic solenoid action going which swept across the secondary coils real fast.  In fact somewhere I have a picture of his primary winding.  It looked like a 12" coil of  1/2" copper tubing wound perfectly symetrical about 20" long.  Now we have electrons leaving the atomic orbit and experiencing velocity change.  According to both the Coriolus force and the Lorentz law a change in velocity of the electrons will result in the electrons curving in the same direction within the coil.  (This causes me to believe the magnetic effect is just inertia on a smaller scale.)  Now we are starting to windup an electron turbine.  The electric field outside of the tpu is feeling the electron low pressure zone.  Now they start to migrate towards the tpu generator winding. They will also follow the Coriolus force and start to spin around the tpu winding.  Here is where it gets sketchy for me..  The low pressure area needs to be maintained or the migration stops.  So how to get current that is spinning around the tpu generator winding into a load is my question. 
   Angular momentum of the current needs to be converted to voltage somehow.

scotty1

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Re: Circular Magnetisation within Iron Wire
« Reply #10 on: March 10, 2008, 12:59:00 AM »
Hey Sparks....what about a radius change due to the altered energy state.....
You may not know it but the words you are using are the same ones i use to describe the works of Ed Leedskalnin...just that you use electrons and he does not.
I'd be happy to discuss it with you if you want.
Scotty.

Koen1

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Re: Circular Magnetisation within Iron Wire
« Reply #11 on: March 10, 2008, 04:08:59 PM »
If I recall correctly, Tesla himself already noticed that a strong spark
"of high energy" would often occur right after he had disconnected
a DC lead with a significant voltage... If I'm not mistaken one of his
first remarks about "radiant energy" was in this context too
(something about the source of this excess energy being the
sea of radiant energy or something like that?).

Could this be the "negative energy pulse" Bearden talks about,
the "currentless potential spike" that is claimed to be the
"free energy" mechanism in the Bedini motors and circuits?

With the trick in all these Bedini-like motors apparently being
rapid and perfectly timed switching of connections, and this
"galvanic current" depending on whether or not the current flow
is first intiated or if it is recently interrupted,
it sounds suspiciously similar... ;)

Except of course for the fact that this described "galvanic current
in iron" is observed in iron wire, and I don't know many
Bedini-type motors or circuits that use an iron wire...
Then again, it was an 1800s text, so it may just be that the same
phenomenon occurs in other conductors as well.
In fact, looking at the hysterisis curves, I would say that
this phenomenon seems remarkably similar to the effect
called hysterisis...
So perhaps there's nothing new going on at all, and we're
just back at the observation that there is "back emf"
and that we may use that if we design our setups
and circuits accordingly.

And if that is so, then we're "simply" back in the same
street as Bedini, Gray, Kron and Sweet.
That is, using circuits designed to utilise the back emf
that is created in the "normal" part of the circuitry,
to lower the power use of that "normal" circuitry.
Enter Kron's "open path" circuitry and his use of a
"second circuit" connected to the primary circuit? ;D

tak22

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Re: Circular Magnetisation within Iron Wire
« Reply #12 on: April 18, 2008, 12:09:49 AM »
if you're interested in Felix Auerbach, there is a 1925 translation titled "Modern Magnetics"

http://www.archive.org/details/modernmagnetics031531mbp

you can read online or download from the FTP link

tak