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Muller Dynamo for experimentalists

Started by plengo, May 12, 2011, 01:04:21 AM

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wings

#65
May 19, 2011, 05:29:21 PM
Quote from: teslaalset on May 19, 2011, 04:39:29 PM
@Wings,

I noticed you added these graphs.
Can you post the link?  I like to check this, my own observations might be to narrow minded....

searching: magnetic domain wall speed

Magnetic domain-wall velocity enhancement induced by a transverse magnetic field

http://arxiv.org/abs/1103.6056

teslaalset

#66
May 19, 2011, 05:35:45 PM
Quote from: neptune on May 19, 2011, 05:23:50 PM
@Teslaalset .Your logic is irrefutable . What I would suggest as a starting point is this . I f you have loads of magnets on stock . Devise a simple test rig to measure the attraction force agains a piece of iron ,using a spring balance . Then pick the 8 magnets that come closest in strength . That may well reduce the need for tuning .

Or simply use the hall sensor that you need anyhow to measure relative magnet strengths.
I'll check other simple methods. I found several in the past, but I can't reproduce them right now.
I'll post them here, when I found them again.

teslaalset

#67
May 19, 2011, 05:40:10 PM
Quote from: wings on May 19, 2011, 05:29:21 PM
searching: magnetic domain wall speed

Magnetic domain-wall velocity enhancement induced by a transverse magnetic field

Thanks Wings, I got it.
I'll study this, and sorry for being so bypassed. Learning all the time.
If this is feasible this will be great for solid state versions as well !!

woopy

#68
May 19, 2011, 06:15:05 PM
just 2 cents

perhaps this can help

and if somebody of you can interprete  something usable in this video, please i would be very pleased

thanks

Laurent

http://www.youtube.com/watch?v=_TCc6yI2BeA

TEKTRON

#69
May 19, 2011, 06:54:26 PM
Build you're own gauss meter http://www.coolmagnetman.com/magmeter.htm

I think this would work if the magnet sat in a jig so the magnets were in the same exact spot every time.
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