On Sun, Sep 9, 2012 at 12:48 AM, Jouni Valkonen <jounivalko...@gmail.com> wrote: > Hello, > > there was some discussion about this alleged perpetual motion machine. It > was elegant, perhaps too elegant, and therefore it is probably a fake. > > Evolution of perpetual motion > http://www.youtube.com/watch?v=zqG-TL0WnjE > > The idea is however simple and understandable and I refuse to believe that > it is impossible, because I do not see how it could violate the quantum > mechanics and the conservation of information.
what is the conservation of information? > As we know, that it based on improved version of SMOT > (http://en.wikipedia.org/wiki/Simple_Magnetic_Overunity_Toy). SMOT itself is > a failed perpetual motion machine, because no one has managed to return the > iron ball back to the starting square. Therefore, no energy is created and > friction will win. > > However I developed a magnetic switch that can be applied to weaken the > starting point magnetic field by 20%. Therefore rotational energy should be > enough to overcome the sticking point. And when sticking point is behind, > magnets are again switched on by heating and new revolution is started with > full force. > > As we discussed earlier, it takes about 360 mJ energy to align dipoles and > magnetize 1 cm³ neodymium magnet. On the other hand, when magnet is > demagnetized 360 mJ heat is released. The alignment process itself is just > normal information processing that does not consume energy more than is > required to account entropy. > > We can demonstrate that demagnetization is exothermic reaction if we are > heating magnet to curie temperature, because it will take 360 mJ less energy > than heating similar non-magnetized body to curie point. Demagnetization > does not take energy, but it releases energy. > > Therefore we can use cooling as rudimentary switch mechanism. Neodymium > magnets loses about 20% of magnetism when magnet is cooled from -150°C to > -250°C. With other alloys this kind of 'phase transition' could be more > prominent that changes the crystal lattice structure so that dipoles get > even more misaligned. And when magnet is heated back above transition > temperature (-150°C with neodymium magnet), magnet is again magnetized as > dipole structure realigns. Hence this alignment and misalignment cycle can > be fully reversible. > > This way we could get also SMOT-derived perpetual motion machine working > continuously, if we turn off the magnets when wheel is approaching the > sticking point. Therefore, as magnetic field is temporarily weakened with > flash-cooling, rotational energy of the wheel would be sufficient for > overcoming the sticking point (and friction). > > This cooling and heating cycle does not bring external energy to the system, > because permanent magnets do not store energy. Therefore this cooling and > heating idea will not nullify the idea of perpetual motion machine, because > we do not use that heat energy for doing the work as a heat engine. This is > also where magnetism differs from nitinol spring based heat engine. "Permanent magnets do not store energy" contradicts your earlier statement that demagnetisation "releases energy". > —Jouni > > For neodymium magnet behavior at cryogenic temperatures, see: > http://www.kjmagnetics.com/blog.asp?p=temperature-and-neodymium-magnets Harry
