12A looks like a damn flame shooting out the end of the thing! Thin/uniform bands spiraling one way and thinker bands going the other.
That alumina shell looks wrapped, sort of like a paper mache newspaper wrap, like alumina felt soaked in glue and wrapped. It is not even straight. On Wed, Oct 15, 2014 at 10:46 AM, Alan Fletcher <a...@well.com> wrote: > fig 2 : http://lenr.qumbu.com/web_hotcat2_pics/141011_lugano_fig2.jpg No > banding, dummy run > fig10 : http://lenr.qumbu.com/web_hotcat2_pics/141011_lugano_fig10.png > Possible > IR banding, dummy run > fig 12a : http://lenr.qumbu.com/web_hotcat2_pics/141011_lugano_fig12a.jpg > Strong > visible banding > > > ------------------------------ > *From: *"Alan Fletcher" <a...@well.com> > *To: *vortex-l@eskimo.com > *Sent: *Wednesday, October 15, 2014 7:08:57 AM > *Subject: *Re: [Vo]:temperature of the resistor wire. > > > *From: *"ChemE Stewart" <cheme...@gmail.com> > *Sent: *Wednesday, October 15, 2014 6:28:37 AM > > > The wire is not in the reactor, it is embedded in the insulating alumina > shell. > > That's a guess. But it might be true. > > I drew (and scanned) some diagrams of a possible structure following the > March 2013 hotcats -- where there was a ceramic insert inside the outer > steel tube, and round which the heater wire was strung, lengthways. > > But I now think that's not feasible. First, the new tube is too narrow. > Secondly, it's not perfectly straight, so a ceramic wire-holder wouldn't > slide in. (In the 2013 hotcat the outer cylinder was steel). > > They might be able to slide in a more flexible holder, eg made of mica, > but there's no evidence for that. > > Setting aside the concerns that the nickel powder would have melted, it > seems that the powder was easily poured out, which implies a smooth inner > wall. > > So now we have even more guessing. > > Figure 2 was probably taken during the dummy run. The heaters are on, but > there is no glow through the ceramic, though they are glowing outside the > tube. > > Figure 10 from the dummy run shows slight evidence of spiral banding > (orange-ish) from top-left to bottom-right in segments 1-2-3 4-5-6 and > 7-8-9 : but this looks to be a coarser spiral than than the distinct bands > of fig 12. Since we don't know which end is which, we can't even tell if > this is in the same direction as the visible-light banding. > > Again, I complain that there are no IR pictures during the live run. Since > there WAS visible banding they should have taken visible and IR pictures > from the same angle and orientation. > > If the wire IS embedded in the ceramic, there may or may not be a gap > around it. And the overall energy pathways could give bright-wires or > dark-wires, depending on the relative balance of heat conduction, radiation > in any gaps, and transmission through the ceramic. > > I'll put up my diagrams: they apply to the 2013 test, even if the don't in > this one. > > ps : Overall, I'm sticking at "inconclusive". > >
