The banded regions should absorb heat and in the long run reach the same temperature as their surroundings. The fact that they persist is a sign of something significant...and I don't mean fraud or incompetence.
Harry On Mon, Oct 13, 2014 at 10:54 PM, ChemE Stewart <[email protected]> wrote: > The coil stays cooler than the core when it is heating thru induction due > to less resistance in the coil so that is why I think the coil is > darker/cooler > > http://en.m.wikipedia.org/wiki/Induction_cooking > > In an induction cooker, a coil of copper wire is placed underneath the > cooking pot . An alternating ..... In turn, most of the energy becomes heat > in the high- resistance steel, while the driving coil stays cool. > > On Monday, October 13, 2014, H Veeder <[email protected]> wrote: > >> >> >> On Mon, Oct 13, 2014 at 6:51 PM, Alan Fletcher <[email protected]> wrote: >> >>> >>> >>> Figure 6 : this is complicated by transmission, which may be happening >>> in the visible range. (IF the helical shadows are indeed images or shadows >>> of the coiuls. But I still think they represent different conduction zones >>> of a ceramic holder, as in the March test). However, this has a broad peak >>> near the center of the visible range, so the blue might be enhanced a >>> little. >>> >>> >>> >> >> >> I find it odd the dark bands (a.k.a the "shadows") persist. I can >> understand how differences in conduction >> >> play a role when the reactor first starts but in the long run shouldn't >> the dark bands disappear? >> >> Harry >> >

