far above curie limit for Ni, magnetic fields won't move powder magnetically, only ions, but temps are too low for significant Li or H ions to exist, and no ionising radiation sources in evidence.
On 13 October 2014 00:49, Stefan Israelsson Tampe <[email protected]> wrote: > Yes but in that case the core can be hotter then the cables. We don't know > about the powder, and the changes of magnetic fields inside the core could > stir the powder around and by changing that behavior you might end up > controlling the reaction rate. Also inductive heating of an inner > containing cylinder does produce a fast response to the actual cylinder > which controls the heat radiative environment in there. > > On Sun, Oct 12, 2014 at 6:41 PM, Robert Lynn < > [email protected]> wrote: > >> inductive heating only works on conductive materials with sufficient >> thickness/area through which the changing magnetic flux passes to allow >> eddy currents to form. With 150Hz pulses Nickel particles of tiny scale >> would not be affected (like thin motor laminates) - it would only work to >> heat a secondary metal body that could then heat via radiation (very >> inefficient, and of no practical benefit). >> >> On 13 October 2014 00:35, Stefan Israelsson Tampe < >> [email protected]> wrote: >> >>> How do we know that iti s resistive heating that is taking place? Bob >>> Greenyer at MFMP sugested that it is an inductive heater this means that >>> the wires >>> get a bit cooler then the heated core. >>> >>> On Sun, Oct 12, 2014 at 6:24 PM, Robert Lynn < >>> [email protected]> wrote: >>> >>>> Fig 12b. page 26. Only just notice that they say they are "inconel" >>>> resistance wires. But how can the resistor wire, external to the reactor, >>>> glow more brightly than the reactor itself (implying it is hotter)? Also >>>> if the reactor external surface is at 1250-1410°C, then on top of the >>>> 30-50°C temperature drop through the walls the resistive wire would have to >>>> be even hotter (up towards 1500°C) in order to be able to radiate the >>>> 900W! And there are no "inconel" metal wires that can survive such >>>> temperatures in air for a month. >>>> http://www.engineeringtoolbox.com/melting-temperature-metals-d_860.html >>>> >>>> There is also a mistake in their discussion for these figures, the >>>> metal resistors within the reactor would necessarily have to be hotter than >>>> the reactor itself if they are to be able to output heat into the reactor. >>>> But then again at >1450°C inconel resistance wires would have turned into >>>> puddles anyway. >>>> >>>> The 2mm high fins on the outside, subjected to convective air cooling >>>> would be 30-50°C colder than the base of the fins due to the longer >>>> conduction path and hence greater temperature drop through the alumina. >>>> And that should influence the thermography to under-read, but also means >>>> the temperature within the reactor would have to be even higher to create >>>> 1400°C average surface temperature. >>>> >>>> So this proves that the thermographic temperature readings are off by a >>>> very long way - at least 150-200°C too high if inconel wires that max-out >>>> at about 1300-1350°C were to have survived for a month. We now know there >>>> is a huge error, we just don't know the source of the error, or how big the >>>> error is. But eg 1210°C vs 1410°C would drop power output by 40% from that >>>> claimed so that the COP would be <2. >>>> >>>> With the existence of such a huge error of unknown source the claims of >>>> power output cannot not be trusted at all. >>>> >>>> On the upside, it does however mean that the nickel was not melted, and >>>> lithium vapour pressure was a lot lower. >>>> >>> >>> >> >
