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Old 03-29-07, 03:30 PM   #1
phantomcow2
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What exactly is flux?

What IS magnetic flux? Is magnetic flux a physical sub atomic particle of sorts? Or is it simply a tool we use to quantity of the strength of a magnetic field?
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Old 03-29-07, 03:49 PM   #2
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It's delicious on bagels.
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Old 03-29-07, 03:56 PM   #3
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stuff that makes welding and soldering easier
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Old 03-29-07, 03:56 PM   #4
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Magnetic flux, Φ, is the measure of the strength of a magnetic field.
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Old 03-29-07, 05:40 PM   #5
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Leave it to the English grads to break complex terms down into simple components.
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Old 03-29-07, 05:42 PM   #6
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I don't know what it is, but I know it belongs in a capacitor.
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Old 03-29-07, 05:43 PM   #7
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It's when you can't pay your buddy back the money you owe him.

"Sorry, mate, I am in a bit of a flux, right now."
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Old 03-29-07, 05:44 PM   #8
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its the fifty first state - the state of flux
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Old 03-29-07, 05:47 PM   #9
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Flux also gets solder to stick too.
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Old 03-29-07, 06:08 PM   #10
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Or is that an artsy ninja liberal? Words confuse me.
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Old 03-29-07, 06:44 PM   #11
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a fancy word for flow rate
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Old 03-29-07, 06:47 PM   #12
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Quote:
Originally Posted by Eboo
It's delicious on bagels.
Very nice .
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Old 03-29-07, 06:50 PM   #13
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Isn't flux the effect that the magnet has on the electrons of atoms that causes the distortion field around a magnet. aka if you do the iron filing trick. I've always been kind of curious as to what the "flux" actually is. E.g. if it is the effect that the magnet has on electrons of atoms then do magnets have a sphere of influence in outer space?
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Old 03-30-07, 07:37 AM   #14
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Quote:
Originally Posted by TexasGuy
Isn't flux the effect that the magnet has on the electrons of atoms that causes the distortion field around a magnet. aka if you do the iron filing trick. I've always been kind of curious as to what the "flux" actually is. E.g. if it is the effect that the magnet has on electrons of atoms then do magnets have a sphere of influence in outer space?
No, not really. You're talking about the magnetic field, not the magnetic flux, though they are closely related. You can think of the magnetic flux as the quantity of magnetic field flowing through a defined area like the interior of a loop of wire. That description is not entirely accurate because the field doesn't really flow. Think of it this way: If you could draw lines in three dimensions showing the magnetic field, in which the lines are in the direction of the field at each point, then the density of the lines in a given region is proportional to the magnetic field density. Then you draw a loop and count the lines going through the loop, and that count is proportional the the magnetic flux through the loop. Same concept applies to gravitational flux and other types of fields.
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Old 03-30-07, 07:41 AM   #15
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Here's my old pal Marty with the Flux Capacitor that Doc Brown built...

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Old 03-30-07, 07:57 AM   #16
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conductors and fluxes? Read this....



[From The Institute of Electrical Engineers, Students Quarterly Journal 25]

For a number of years now, work has has been proceeding in order to bring
prefection to the crudely conceived idea of a machine that would work to not
only supply inverse reactive current, for use in unilateral phase detectors, but
would also be capable of automatically synchronising cardinal grammeters. Such
a machine is the 'Turboencabulator'. Basically, the only new principle involved
is that instead of the power being generated by the relaxive motion of
conductors and fluxes, it is produced by the modial interactions of magneto-
reluctance and capacitive directance.

The original machine had a base-plate of prefabulated amulite, surrounded by a
malleable logarithmic casing in such a way that the two spurving bearings were
in direct line with the pentametric fan, the latter consisted simply of six
hydrocoptic marzelvanes, so fitted to the ambifacient lunar vaneshaft that side
fumbling was effectively prevented. The main winding was of the normal lotus-
o-delta type placed in panendermic semiboloid solts in the stator, every seventh
conductor being connected by a non-reversible termic pipe to the differential
girdlespring on the 'up' end of the grammeter.

Forty-one manestically placed grouting brushes were arrranged to feed into the
rotor slip stream a mixture of high S-value phenyhydrobenzamine and 5 percent
reminative tetraiodohexamine. Both these liquids have specific pericosities
given by p=2.4 Cn where n is the diathecial evolute of retrograde temperature
phase disposition and C is the Chomondeley's annual grillage coefficient.
Initially, n was measured with the aid of a metapolar pilfrometer, but up to the
present date nothing has been found to equal the transcetental hopper dadoscope.

Electrical engineers will appreciate the difficulty of nubbing together a
regurgitative purwell and a superaminative wennel-sprocket. Indeed, this proved
to be a stumbling block to further development until, in 1943, it was found that
the use of anhydrous nagling pins enabled a kyptonastic boiling shim to be
tankered.

The early attempts to construct a sufficiently robust spiral decommutator failed
largely because of lack of appreciation of the large quasi-pietic stresses in
the gremlin studs; the latter were specially designed to hold the roffit bars to
the spamshaft. When, however, it was discovered that wending could be prevented
by the simple addition of teeth to socket, almost perfect running was secured.

The operating point is maintained as near as possible to the HF rem peak by
constantly fromaging the bituminous spandrels. This is a distinct advance on
the standard nivelsheave in that no drammock oil is required after the phase
detractors have remissed.

Undoubtedly, the turboencabulator has now reached a very high level of technical
development. It has been successfully used for operating nofer trunnions. In
addition, whenever a barescent skor motion is required, it may be employed in
conjunction with a drawn reciprocating dingle arm to reduce sinusoidal
depleneration.
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Old 03-30-07, 09:04 AM   #17
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Old 03-30-07, 09:14 AM   #18
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Flux is actually a mathematical term. It's integrating a vector field over a bounded surface.


It might be easiest to understand flux if you think about water flow in a pipe. Assuming the velocity is the same all through the pipe, if you multiply the velocity of the flow (m/s) times the cross-sectional area of the pipe (m^2) you have the volumetric flux through a cross-section of the pipe (m^3/s). That's flow rate when you're talking about fluids in pipes, but you can measure flux of any vector field over any surface.

A magnetic field can be represented as a vector field, which is what you see when you sprinkle iron filings around a magnet. The filings line up in the direction of the magnetic field vectors. You can define a surface anywhere you want around the magnet, and integrate the vector field over that surface, and that's the magnetic flux through that surface.

Also, flux is the stuff that helps the metals stick to each other in soldering, welding, etc.
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Old 03-30-07, 09:15 AM   #19
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Oh, stop, 2manybikes, you are getting me soooooo hotttttt with your sexy talk! Wanna flux?
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 03-30-07, 09:32 AM   #20
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The guy with a physics degree gives a thumbs up +1 to most of the statements above.

Flux is just flow, or specifically a way of using a vector to describe the flow intensity and direction through a specific plane of area.

Magnetic flux is just another way of describing a particularly interesting part of a particular magnetic field.

So on the subject of magnetism anyone here read Jackson? (if you have you know which jackson I'm talking about...if not don't worry much, your life is significantly saner without reading the book)
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Old 03-30-07, 09:52 AM   #21
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Quote:
Originally Posted by VegaVixen

Please. please, watch this. It will have you ROTFLOL. I promise !!

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


Quote:
Originally Posted by jsharr
Oh, stop, 2manybikes, you are getting me soooooo hotttttt with your sexy talk! Wanna flux?
Oh baby !!!!

Watch the YouTube video above. You will need to have a cigarette afterwards.
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Old 03-30-07, 10:04 AM   #22
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2manybikes, that is too funny. I'm sending that to some former colleagues of mine.
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Old 03-30-07, 11:32 AM   #23
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i thought flux was when you get a different strain of the flu two weeks in a row....aren't you in flux then?
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Old 03-30-07, 11:33 AM   #24
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I thought a flux was that fluffly shirt you wear under a tux.
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Phobias are for irrational fears. Fear of junk ripping badgers is perfectly rational. Those things are nasty.
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Old 03-30-07, 11:56 AM   #25
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This is my flux. Now that spring is here, I get to put it together.
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