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Magnetic reconnection is the process whereby magnetic field lines from different magnetic domains are spliced to one another, changing their patterns of connectivity with respect to the sources. It is a violation of an approximate conservation law in plasma physics, and can concentrate mechanical or magnetic energy in both space and time. Solar flares, the largest explosions in the solar system, may involve the reconnection of large systems of magnetic flux on the Sun, releasing, in minutes, energy that has been stored in the magnetic field over a period of hours to days. Magnetic reconnection in Earth's magnetosphere is one of the mechanisms responsible for the aurora, and it is important to the science of controlled nuclear fusion because it is one mechanism preventing magnetic confinement of the fusion fuel.
Hannes Alfvén was explicit in his condemnation of the reconnecting concept:
"Of course there can be no magnetic merging energy transfer. Despite.. this, we have witnessed at the same time an enormously voluminous formalism building up based on this obviously erroneous concept.
I was naïve enough to believe that [magnetic reconnection] would die by itself in the scientific community, and I concentrated my work on more pleasant problems. To my great surprise the opposite has occurred: ‘merging’ … seems to be increasingly powerful. Magnetospheric physics and solar wind physics today are no doubt in a chaotic state, and a major reason for this is that part of the published papers are science and part pseudoscience, perhaps even with a majority in the latter group."
They have reinvented the wheel and done a bad job of it. If you are going to come up with an alternative explanation for something – at least get one that is defensible scientifically.
If we look closely at the reason for this reinvention, it becomes clear that, having adamantly refused to acknowledge the effects (let alone the existence) of electric currents in space, astrophysicists had to come up with an explanation that avoided mentioning them. Moreover, in giving this explanation a catchy name – “reconnection” – that appears repetitively, they can avoid restating the details of their invented explanation each time they use it and thus avoid having to defend it. We hear “Oh, that is an example of reconnection.” “Yes, another effect of the reconnection process.” Etc., ad nauseum.
In the law, a well known principle is that ‘Ignorance of the law is no defense.’ Similarly in science, intentional ignorance of the work of an entire academy of scholars and researchers that has applicability to the area in which you are involved, is evidence of either incompetence or a lack of ethical behavior. There can be no excuse for astrophysicists ignoring the work of investigators such as Nobel laureates Hannes Alfvén and Irving Langmuir.
Laboratory measurements demonstrate that a nonzero-valued electric field in the direction of the current (E parallel > 0) is required to produce a nonzero current density within any plasma no matter what mode of operation the plasma is in. Negative-slope regions of the volt-ampere characteristic (negative dynamic resistance) of a plasma column reveal the cause of the filamentary properties of plasma, but all static resistance values are measured to be > 0.
Thus, although plasmas are excellent conductors, they are not perfect conductors. Weak longitudinal electric fields can and do exist inside plasmas. Therefore, magnetic fields are not frozen inside them.[14]
Originally posted by grey580
Very cool read.
But what does it all mean?
and how do we profit from this?
Originally posted by fordrew
reply to post by mnemeth1
mnemeth1, I have been scouring through your threads..... you *seem* to know it all... are you some kind of scientist? Do you work in a respectable field?
Originally posted by mnemeth1
Originally posted by fordrew
reply to post by mnemeth1
mnemeth1, I have been scouring through your threads..... you *seem* to know it all... are you some kind of scientist? Do you work in a respectable field?
I'm a night janitor for a sports stadium.
Originally posted by fordrew
Interesting.... B × curl [B(E•B/B2)] = 0 can you post where you got that from? So how well are your calculus skills? Been scouring through your space/technology/topics I should say
[edit on 26-5-2010 by fordrew]
Stability: Double layers in laboratory plasmas may be stable or unstable depending on the parameter regime. [Torven, S. High-voltage double layers in a magnetised plasma column] " (1982) "Journal of Physics D: Applied Physics", Volume 15, Issue 10, pp. 1943-1949] Various types of instabilities may occur, often arising due to the formation of beams of ions and electrons. Unstable double layers are "noisy" in the sense that they produce oscillations across a wide frequency band. A lack of plasma stability may also lead to a dramatic change in configuration often referred to as an explosion (and hence "exploding double layer"). In one example, the region enclosed in the double layer rapidly expands and evolves. [B Song, N D Angelo and R L Merlino Stability of a spherical double layer produced through ionization] " (1992) Journal of "Physics D: Applied Physics", Volume 25, Issue 6, pp. 938-941] An explosion of this type was first discovered in mercury arc rectifiers used in high-power direct-current transmission lines, where the voltage drop across the device was seen to increase by several orders of magnitude. Double layers may also drift, usually in the direction of the emitted electron beam, and in this respect are natural analogues to the smooth--bore magnetron. [ Koenraad Mouthaan and Charles Süsskind, Statistical Theory of Electron Transport in the Smooth-Bore Magnetron] (1966) "Journal of Applied Physics" June 1966, Volume 37, Issue 7, pp. 2598-2606 ] ) (not to be confused with a unit of magnetic moment, the Bohr magneton, which is created by the "classical circular motion" of an electron around a proton).
A short review of physics results obtained in the Magnetic Reconnection Experiment (MRX) is given with an emphasis on the local features of magnetic reconnection in a controlled environment. Stable two-dimensional (2D) current sheets are formed and sustained by induction using two internal coils. The observed reconnection rates are found to be quantitatively consistent with a generalized Sweet-Parker model which incorporates compressibility, unbalanced upstream-downstream pressure, and the effective resistivity. The latter is significantly enhanced over its classical values in the low collisionality regime. Strong local ion heating is measured by an optical probe during the reconnection process, and at least half of the increased ion energy must be due to nonclassical processes, consistent with the resistivity enhancement.
We report a quantitative experimental test of the Sweet-Parker model of magnetic reconnection in a controlled laboratory plasma. It is found that the observed reconnection rate can be explained by a generalized Sweet-Parker model which incorporates compressibility, downstream pressure, and the effective resistivity. The latter is significantly enhanced over its classical values in the collisionless limit.
Originally posted by mnemeth1
Originally posted by fordrew
Interesting.... B × curl [B(E•B/B2)] = 0 can you post where you got that from? So how well are your calculus skills? Been scouring through your space/technology/topics I should say
[edit on 26-5-2010 by fordrew]
Good enough to know that what the standard theorists are telling us is a load of crap.
These people have to know what they are saying is a pile of lies.
They have to know.
Its so blatantly obvious on so many levels (not just magnetic reconnection) that they are full of it that I can no longer believe this is ignorance.
It is fraud.
Originally posted by fordrew
I would be wasting my time debating a troll/idiot.