if particles cannot survive, maybe they don't . [image: Image]
Some particles come out of the reactor after a month of 1400C temperatures just as they when in, that is with tubercles. They are structurally intact. Go figure!!! On Sat, Oct 18, 2014 at 7:26 PM, Alain Sepeda <alain.sep...@gmail.com> wrote: > this seems a mystery but maybe it is the key. > > as far as I understand your discussion, it seems impossible Ni particles > surface structure stay stable even at 1000C... it won't be liquid, but will > be aggregated too easily... > > when something works and there is something like a problem, maybe it is > what make it work. > > the reaction came from a local abnormal structure in Ni or Pd , Ti, NiCu, > ... > I remember of codeposition experiments by spawar... now imagine an > equivalent with Ni vapor? > > Ni is gaseous, at least evaporated, and forms particles with the NAE... > > the particle we see are regenerated. maybe is it why they are so strangely > enriched. > > think about the Iwamura experiment... Pd on CaO works ? > maybe Ni on Alumina works? ... > > people who say that it cannot be 1400C/1250C, have to admit that it would > be incredibly lucky for IH to deliver a reactor that don't work and then > have the testers measure abnormal temperature tht correct that anomaly... > > especially if Rossi is there and tune with a thermocouple retroaction the > target temperature at 1250C without moaning... > > > question is thus why it work, how it work... > if particles cannot survive, maybe they don't . > > maybe the role of the alumina is to avoid particle to stick > > > 2014-10-19 0:11 GMT+02:00 Bob Cook <frobertc...@hotmail.com>: > >> Axil-- >> >> Your question: >> <<<How can the surface of the reactor sustain a temperature of >> 1420C if the nickel particles are cooler that that temperature.>>> >> >> Answer---The energy is generated by the particles is radiant energy and >> all is absorbed by the alumina near the inner surface with none being >> absorbed by the Ni particles. This seems unlikely to me. >> >> Bob >> >> ----- Original Message ----- >> *From:* Axil Axil <janap...@gmail.com> >> *To:* vortex-l <vortex-l@eskimo.com> >> *Sent:* Saturday, October 18, 2014 11:38 AM >> *Subject:* Re: [Vo]: Gettering in the Lugano IH reactor >> >> This idea contributes the belief that the nickel particles are the source >> of heat production. What you are saying is that the particles caused heat >> to be generated somewhere else in the reactor, not in or near the nickel >> particles. How can the surface of the reactor sustain a temperature of >> 1420C if the nickel particles are cooler that that temperature. >> >> On Sat, Oct 18, 2014 at 2:10 PM, Bob Higgins <rj.bob.higg...@gmail.com> >> wrote: >> >>> The left side (in Figure 1) 45-50mm of the reactor are much cooler than >>> the heated core between the insulated supports. This end near the >>> thermocouple plug probably never exceeded 700C. Particles that ended up >>> there did not undergo as much sintering. As I recall the Lugano test >>> particle was nearly 500 microns across and probably was that size due to >>> substantial sintering with smaller particles. Sintering of Ni would still >>> occur in the colder part. >>> >>> On Sat, Oct 18, 2014 at 11:59 AM, Axil Axil <janap...@gmail.com> wrote: >>> >>>> And yet, particle 1 which showed Ni62 transmutation also shower that >>>> the tubercle nano-surface was still in place after days of 1400C operation. >>>> Any ideas? >>>> >>>> On Sat, Oct 18, 2014 at 1:13 PM, Bob Higgins <rj.bob.higg...@gmail.com> >>>> wrote: >>>> >>>>> As someone who has first hand experience working with micro-scale >>>>> carbonyl Ni powder, and treating these powders in a thermochemical >>>>> reactor, >>>>> I can tell you that what you are saying about the nickel particles is 100% >>>>> wrong. Even these 4-10 micron scale nickel particles will sinter into a >>>>> porous mass by heating at 500-700C. Ni melts at 1455C and the nano-scale >>>>> features will all melt at about half of this temperature - the nanoscale >>>>> features will ball-up onto the micro-scale nickel particle to which the >>>>> feature may be attached. Any nanopowder of Ni present is melted before >>>>> 800C and becomes a larger particle - and then condenses. And Rossi >>>>> specifically says he does not use nickel nanopowder anyway. The same is >>>>> true for other free nanoparticles. By the time the IH reactor is >>>>> operating >>>>> above 1000C, there are no nickel nanoparticles or nano-features of any >>>>> kind >>>>> left - they are all melted into larger agglomerations. >>>>> >>>>> I don't know what your experience is with, but it is not with nickel >>>>> powder. Alumina does not store hydrogen in any significant measure. >>>>> >>>>> >> >
