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Solid States Devices => solid state devices => Topic started by: DreamThinkBuild on September 27, 2011, 10:06:45 PM

Title: Magnetic vortex, eddy heating.
Post by: DreamThinkBuild on September 27, 2011, 10:06:45 PM
Hi All,

This was inspired from MagnetFlippers channel on the magnetic vortex. I built a little model and wanted to see if the spin could setup eddy currents in an aluminum dish for heating.

Here is the video:
http://www.youtube.com/watch?v=y-MBFjwpCMk
Title: Re: Magnetic vortex, eddy heating.
Post by: ramset on September 28, 2011, 02:26:41 AM
Dreamthinkbuild
Eddy currents ? cool experiment !! Very Cool......

We are playing with this Water heating concept

http://www.youtube.com/watch?v=tGT5PB733a0

Over here

http://www.energeticforum.com/renewable-energy/8999-peter-daysh-davey-water-heater-query.html#post155015

Please have a look
We're using aluminum and Extremely low frequency [ELF]
Thanks
Chet
Title: Re: Magnetic vortex, eddy heating.
Post by: DreamThinkBuild on September 28, 2011, 07:27:38 AM
Hi Chet,

Eddy current heating is the same as induction heaters. Induction heaters, heat metal by high frequency 5khz - 480khz. You can also make magnetic heaters by spinning magnets near copper or aluminum plates it's not very efficient though, about 16% or something. Usually the drive motor gets hotter faster than the plate your trying to heat. :)

A quick one is get a diametric magnet on a Dremel 20krpm and just run it inside a copper pipe. The motor will whine but I've been able to get the end of the pipes temperature up over 200F pretty quick.

The idea behind this test was to see if the magnetic field was actually spinning externally to the magnet. If it wasn't spinning then I shouldn't be able to get heat but as you can see it starts to spin pretty quick and the temp slowly rises. The magnet never physically moves only the water and changing magnetic field. The bubbles that you keep hearing pop is HHO which gets swirled to the center. I put a little cap over the center to capture it and it popped when lit. ELF frequencies are good, between 5-8hz I get a lot of bubble generation.
Title: Re: Magnetic vortex, eddy heating.
Post by: Cherryman on September 28, 2011, 10:48:43 AM
Reminds me of this "classic" video, I guess it is among the same lines.

http://www.youtube.com/watch?v=GRz0a2qiCtc (http://www.youtube.com/watch?v=GRz0a2qiCtc)

A few questions raise my mind:

Do this also create electrolysis?

Does this also work with the magnets shielded from the water? 
Title: Re: Magnetic vortex, eddy heating.
Post by: DreamThinkBuild on September 29, 2011, 06:33:31 PM
Hi CherryMan,

I just tried your test idea with the magnet shielded inside a pill bottle sitting on the bottom of the aluminum bowl full of water.

With one lead near the center of the magnet and one on the side, I fed in multiple frequencies and observed no spin or heating.

The next test I tried one lead on the magnet still in pill bottle and one lead attached to aluminum bowl. No spin or heating observed.

Another test I did to see if it's just a B-field interaction, was stick a 8Awg piece of wire as one of the leads and the other lead hooked to bowl. With some dust on the surface I wasn't able to see any spin around the wire even when cranking the power up and tripping the 15amp resettable fuse. It did bubble hydrogen but no spin.

As for electrolysis I'm not certain. But it does seem that water with baking soda is one required medium to obtain or at least see the spin with the magnet.
Title: Re: Magnetic vortex, eddy heating.
Post by: DreamThinkBuild on October 03, 2011, 07:39:47 PM
Hi All,

Does anyone know what happened to MagnetFlipper? All his videos are taken down.

http://www.youtube.com/user/magnetflipper

This was the last video of what he was working on.
http://www.youtube.com/watch?v=rLlm8UWDNe4

He was also talking about feeding two offset signals into two magnets to see what kind of vortex they setup.
Title: Re: Magnetic vortex, eddy heating.
Post by: dakanadaka on July 20, 2015, 05:54:29 PM
Hi Chet,

Eddy current heating is the same as induction heaters. Induction heaters, heat metal by high frequency 5khz - 480khz. You can also make magnetic heaters by spinning magnets near copper or aluminum plates it's not very efficient though, about 16% or something. Usually the drive motor gets hotter faster than the plate your trying to heat. :)

A quick one is get a diametric magnet on a Dremel 20krpm and just run it inside a copper pipe. The motor will whine but I've been able to get the end of the pipes temperature up over 200F pretty quick.

The idea behind this test was to see if the magnetic field was actually spinning externally to the magnet. If it wasn't spinning then I shouldn't be able to get heat but as you can see it starts to spin pretty quick and the temp slowly rises. The magnet never physically moves only the water and changing magnetic field. The bubbles that you keep hearing pop is HHO which gets swirled to the center. I put a little cap over the center to capture it and it popped when lit. ELF frequencies are good, between 5-8hz I get a lot of bubble generation.

Spinning magnets at copper plate not 16% !!!! We made it as people on this forum did the math 68% I with my math was wrong apperantly you can see it at http://overunity.com/15882/finally-magnetic-heater-diy-for-free/#.Va0Y95sazCQ , BUT if you want to see it for your self download free document at https://emolio.com/Magnetic-Heater and any kind of suggestion please do so we could test it and inlude and share with all people around the globe :)