Very nice work! Alan, as I understand, you apply natural convection and no forced (controlled) cooling. Right?
Op woensdag 26 juni 2013 schreef Alan Fletcher ([email protected]) het volgende: > (I posted some of these in the Penon topic -- I have to redo all the > pictures for the web version). > > My current "best fit" for the waveforms is an almost-trapezoid Rise=20 > Hold=130 Fall=30 > > http://lenr.qumbu.com/web_hotcat_spice/130625_spice_01.png > > I've done a "good enough" digitization of the original waveform. > > Note that the amount of ripple in the waveform is fully accounted for by > the input square-wave pulse. Any other ripple is additive. > > The only other explanation is that there's more "RC" in the circuit than > in my model, which would cause the signal to "hold" longer at the tail. > There is some RC in the flange and the ends .. but they also provide a > path for pulling it down. > > http://lenr.qumbu.com/web_hotcat_spice/130625_spice_03.png > > And for that waveform, these are the temperatures at the inner and outer > steel cylinders. > > http://lenr.qumbu.com/web_hotcat_spice/130625_spice_02.png > > There's only a 55C difference between the two. I expected it to be much > higher. > (The reason is that corundum is a good thermal conductor). > > > The following is an ILLUSTRATION of a "Toy" control system, in which the > Hotcat requires a threshold center temperature before it fires (150C), > increases linearly up to 350C and then stays constant (and therefore won't > increase exponentially). > > It shows how the addition of the "pulse" heat allows the reaction to > continue, but withdrawing it causes it to stop. > > http://lenr.qumbu.com/web_hotcat_spice/130625_spice_10_12.png > > (I don't attempt to explain how the pulses of Hotcat energy are formed, or > are synchronized with the heater pulse). > >
