Your power supply could be faulty. I sagest upgrading your power supply until the power variations on calibration runs are eliminated. You might try to use a fast response time pulsed voltage regulator. Your data is only as good as your power supply.
On Mon, Jan 19, 2015 at 12:53 PM, AlanG <[email protected]> wrote: > I also saw temperature excursions during my sealing tests. The swings I > saw were as much as 20 degrees C at 1 second sampling interval, with a > period of 10-30 seconds. My tube contained only air at 10 bar and 700 C, > and no 'fuel', so I think these swings are at least partially due to > convection patterns and possibly resonant pressure standing waves in the > hot gas. > > The heater power also wanders over a range of 1-2%, due to instability of > the variac carbon brush on the transformer wire. The CCI Compact Fusion > controller used in the Lugano test does have an optional constant power > control mode. Most phase-angle controllers don't offer this option. > > AlanG > > > On 1/18/2015 9:48 PM, Axil Axil wrote: > >> So sorry, please excuse me but I have developed an opinion. These heater >> power failures are caused by the LENR reaction and if not immediately >> countered, these power drops will delay the onset of the LENR reaction. A 5 >> seconds response time to counter is far to long a time delay to increase >> the current flow to the heater. I don't believe that MFMP counters this >> heater behavior at all since they have no constant power circuit mechanism >> in their heater power supply. Like MFMP, the Russian experimenter sees >> temperature variations of up to 100C. This is very primitive an >> unsophisticated experimentally. A nanosecond might be enough of a >> response time lag to counter the heat circuit current drop. This unusual >> superconductor onset behavior is causing long startup times for the onset >> of the LENR reaction. I hope that Brian Ahern will develop constant power >> circuitry to add elegance to his experiment to greatly increase the >> response time for the onset of the LENR reaction and thereby increasing >> experiment turnaround times. >> > >
