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Author Topic: Acoustomagnetic TPU / SEG calculation model  (Read 35342 times)

Magnon

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #15 on: February 25, 2009, 04:46:56 PM »
Hi Magnon -- interested to know where you got some of your ideas? ...

Rods made of Ferrite + Al + Ni powder in an epoxy matrix are reported to emit microwaves in an OU device that generated 1-6KW power -- I am not at liberty to say more here. BEP will know what I am talking about.

You can also go the other way -- with a single frequency input (100 Khz range) to a simple MA (Magnetoacoustic) device you can get arbitrary low frequency output. This is predicted in theory and I have observed it in ferrite rods -- :) - but the effect has an equivalent Q of 100,000 - 1,000,000 so unless you have very good equipment and you know exactly what to look for you will never chance upon the effect. You may be able to reverse this to a degree - I have yet to do this.

I have MA effects working in steel rods as well - this is far harder than generating MA effects in ferrite rods (which is hard enough).

I already had Nataliya's paper regarding local flattening of fermi surfaces -- and it is interesting.

Good to see you here Mark.

I think that it is better to take this phenomena into public discussion.
As you know, we have been discussed about subject in a closed group and with direct e-mail.

It was some years ago, when i was writing, also in this group about the phenomena how spin flip / electron spin precession wobbling with a phonon pulse causes coherent microwave radiation emission.
It is a good thing that you have observed this phenomena also in practice.
But the generated microwave radiation is only a part of the phenomena, you have to tune the system so that it creates nested, cylindrical magnetic fields around. This leads to system, that is able to suck charges and fields around, and is the source of power.
The reason why elastic composite material is used , is that this way you have a constant magnetic field area around every single small paramagnetic particle to produce coherent microwaves, and no eddy currents that can easily destroy the effect as it happens with a conductive, large metal pieces

--Magnon

Paul-R

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #16 on: February 25, 2009, 05:14:37 PM »
Any chance you could upload a version readable by something besides Excel 2007?
it should be possible to save the spreadsheet as a doc file (under "Save as" possibly)
...or download a free copy of Open Office from http://www.openoffice.org

BEP

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #17 on: February 25, 2009, 06:25:31 PM »
@Magnon already attached a 97-2003 version earlier. Thanks.

BEP

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #18 on: February 25, 2009, 06:28:16 PM »
@Magnon

So you still think one result may be stimulated emission as in MASER?

Magnon

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #19 on: February 25, 2009, 07:10:35 PM »
@Magnon

So you still think one result may be stimulated emission as in MASER?

I mean amplification with interference, when the generated coherent microwave frequency is reflected back in between two half reflecting mirrors. There is rotating polarization, helicon mode microwaves, because the origin for the radiation is coming from electron spin axis precession.
The acoustic wave is a travelling type standing wave, this leads to system, where the transmit place changes on TPU:s circumference, it looks like slowly rotating cylindrical shape pattern.

--Magnon

TechStuf

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #20 on: February 25, 2009, 10:35:43 PM »
Quote
The acoustic wave is a travelling type standing wave


Better than I got.  :-[


All I've been able to achieve thus far, are the stationary type sitting waves.


8)


TS

BEP

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #21 on: February 26, 2009, 04:49:18 AM »
Ok. We all know a not-standing-standing wave is a misnomer. The same for just 'standing wave'. If it is standing then it isn't a wave. Most use the term to describe the crossing of a source wave and its reflection.
Sorry, what is being discussed are compression waves.

I won't partake in a futher discussion of such magnetic waves not existing. You can take that up with builders of cyclotrons, fluorescent lights, and waveguides. No, plasma is not required. All the wave needs is a contained path.

BEP

EMdevices

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #22 on: February 26, 2009, 04:58:31 AM »
I like those Q values  Mark ,  magnetostriction effects (or magnetoacoustic)  are wonderful !

As we know,  bandwidth  is  equal to  F/Q,  where F is the center frequency,  so if you have a high Q value, then your bandwidth will be very very small, which means,  TUNE VERY SLOWLY AND FINE INCREMENTS or you'll miss the effect.   Also we note as F goes down the bandwidth decreases for a given Q value,   so when we start talking about   high Q and low frequencies like SM mentions,  we're talking about phenomena that can be easily missed in a lab setting.

EM

MarkSnoswell

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #23 on: February 26, 2009, 05:20:25 AM »
LOL -- yea -- in my iron rods the Qs are 7,000 - 13,000 ... let me explain further:

you are looking for a resonant peak at 87,000 Hz -- it's only got a 6.5 HZ 1/2 height bandwidth... you have to have the magnetic bias just right .. your magnetic bias must not restrict the motion of the ends of the rod so you cant just stick magnets on...

That paints a picture of how incredibly hard it is to find the effect -- but once you do its very easy to reproduce.

I have no doubt that the TPU style of devices are also very difficult to tune in their own way -- and then with experience it becomes easy to reproduce.



braden

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zerotensor

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #25 on: February 26, 2009, 04:48:22 PM »
Yes! I think you guys are on the right track.  I suspect that an iron wire pumped by an energized magnetic field coil at one end will exhibit a potential difference across its length arising from the induced magneto-kinetic acoustic wave in the wire.  A coil at the far end can act as a pickup.   This concept borrows partly from the ancient information storage scheme known as, "delay line memory".  Here's a snippet for anyone unfamiliar with the idea;

from, http://www.technikum29.de/en/computer/storage-media:

Quote
Another kind of "delay line" memory is the so called magnetostrictive memory. This technique is based on the idea of the propagation of ultrasonic waves through a thin wire. The information to be stored is fed into a long wire by the effect of magnetostricion (the wire contracts when exposed to a strong magnetic field – this in turn yields an acoustic wave traveling across the wire). A bit pattern created by this effect travels along the wire to its end where the information is picked up by a piezo electric element. The output of this pickup will be amplified and fed back into the beginning of the wire loop.

I can imagine a model TPU wherein electrical pulses surf on the ultrasonic waves inside the wire, and are amplified by feedback.

TechStuf

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #26 on: February 26, 2009, 06:26:25 PM »

Quote
Yes! I think you guys are on the right track.  I suspect that an iron wire pumped by an energized magnetic field coil at one end will exhibit a potential difference across its length arising from the induced magneto-kinetic acoustic wave in the wire.  A coil at the far end can act as a pickup.   This concept borrows partly from the ancient information storage scheme known as, "delay line memory".  Here's a snippet for anyone unfamiliar with the idea;

from, http://www.technikum29.de/en/computer/storage-media:


Yeah, that URL sure blows a gaping hole in the "Alien Back Engineering theory".


LOL


TS


giantkiller

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #27 on: February 26, 2009, 06:37:03 PM »

Magnon

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #28 on: February 26, 2009, 09:48:22 PM »
Ok. We all know a not-standing-standing wave is a misnomer. The same for just 'standing wave'. If it is standing then it isn't a wave. Most use the term to describe the crossing of a source wave and its reflection.
Sorry, what is being discussed are compression waves.

I won't partake in a futher discussion of such magnetic waves not existing. You can take that up with builders of cyclotrons, fluorescent lights, and waveguides. No, plasma is not required. All the wave needs is a contained path.

BEP

Perhaps resonance is a better word here.

--Magnon

Magnon

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Re: Acoustomagnetic TPU / SEG calculation model
« Reply #29 on: February 26, 2009, 09:58:59 PM »
I like those Q values  Mark ,  magnetostriction effects (or magnetoacoustic)  are wonderful !

As we know,  bandwidth  is  equal to  F/Q,  where F is the center frequency,  so if you have a high Q value, then your bandwidth will be very very small, which means,  TUNE VERY SLOWLY AND FINE INCREMENTS or you'll miss the effect.   Also we note as F goes down the bandwidth decreases for a given Q value,   so when we start talking about   high Q and low frequencies like SM mentions,  we're talking about phenomena that can be easily missed in a lab setting.

EM

Coherent microwave radiation means that you must have  a very high Q.
You can use phonon calculator Excel file to demonstrate the electron spin precession frequency sensitivity to external magnetic field change, see how the frequency changes with given magnetic field.
The bandwidth can be only a few Hz.

--Magnon