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  • Error loading feed data

Today the loading has leveled off.  The resistance of the Celani wire is at 15.3 ohms, and has been for the last several hours, giving an R/R0=0.83.  I will post more data files and graphs soon, but I figure everybody was ready for an update.

Now that the wire appears to be loaded, we will turn off the heat and compare the cool down curve to the one in Helium and Hydrogen.  If it cools slowly, maybe it is generating internal heat.

Then I will bring the Hydrogen pressure back up to starting at 3.5 bar.

Then we will ramp the power up on the nichrome and slowly heat the cell, again, to get a resistance vs. temperature curve for the fully loaded wire before we up the current into the Celani Wire.

Then we will let it cool again, give it a light vacuum pumping down and refill with the 75%H and 25%Ar back to 3.5 bar.

After that, we should be ready to start heating with current through the Celani Wire and see if we can get some clearly excessive heat.  This will also give us current and temperature vs resistance in the Celani Wire.  This will probably happen somewhere near 8 am US Central Time.

We will also be doing calibration regressions of the glass inside, glass outside, and thermowell sensors to try to figure out which is the best baseline to work from.


Oh, and there are a couple new videos out, today, too.


0 #10 Ron B 2012-12-23 21:24
View Test Celani Cell #2

Start 12/20/2012 07:00:00 Stop 12/20/2012 09:00:00
Select P_XS_LOW - Wow.. 6 watts for almost 10 minutes.

Maybe that's when the copper foil was put on top of the cell?
0 #9 Stephen Heale 2012-12-23 13:44
just reading through your back data and noticed a query
(12 Nov - Cool Down Mini Experiment), in which you refer to the unexpected increase in resistance of the Celani
Wire when re-pressurising the reactor.
I might be stating the obvious - but here goes!

Pressure and temperature are directly proportional.
Temperature and resistance of standard electrical conductors is also directly proportional.
Therefore an increase in pressure should equate to an increase in resistance because the internal temperature has been modified during re-pressurisation.

The reverse could potentially also occur if the pressure drop across the gas regulator is sufficient to cool the reactor through Joule-Thomson Effect.
This would most likely occur with a fresh bottle of Hydrogen.

Regards and deep respect,

+1 #8 Robert Greenyer 2012-11-12 10:49
@ David

Thankyou for taking the time to look at the data - it is very much appreciated. We want anyone and everyone to look into the results as they come in and challenge and explore them so that we can make a better experiments and reactors for the wider replications.
0 #7 David Roberson 2012-11-12 07:00
I see the correlation to the blue power pulse. I will explore the waveform a bit longer to see why the rise times seem to be out of order. Perhaps there is some form of magnetic or ground coupling to the temperature probes, and your IR concept is also very interesting and needs to be explored.

This is a good mystery to solve.
0 #6 Ryan Hunt 2012-11-12 05:08
While it may look like it comes from the outside of the glass, I am betting it is the power supply voltage dip. Try correlating it with the Blue Voltage. If it is, I can only assume that the IR is heating the outside of the glass primarily (it does have a larger delta T). Any other thoughts?
+1 #5 David Roberson 2012-11-12 02:39
I have one quick question. I noticed that one of the temperature drop events seems to happen approximately every 8.2 minutes. Do you have someone to walk past the device at this period or are you aware of another event which happens at this rate?

I apologize if I am disrupting your work with too many questions.
+1 #4 David Roberson 2012-11-12 02:28
Congratulations on your progress guys.

I think you might have hit the nail on the head regarding the temperature variation due to someone walking by the device. Have you considered putting some form of air baffle to prevent air currents from hitting the unit as folks walk by to eliminate this problem? I am seeing more than 1.5 degrees C drop in outside glass temperature due to this effect which is significant. Of course, there may be some other issue causing the temperature drop since it appears to be of relatively short duration(30 seconds or so).

The isolation between the glass and the mica heating very clearly demonstrates an integration effect due to the low pass filtering response of the system. You guys are getting good data.
0 #3 Jeff Berkowitz 2012-11-12 01:45
Hope you guys sleep too. Tired people sometimes make mistakes. Hang in there, and thanks.
0 #2 Charlie Smith 2012-11-12 01:41
Sweet, You should have a live video feed!

Stupid question, but will you be doing a run in pure H2? did Celani run in pure H2 and if so would you not be better doing the first run in pure H2 to compound the loading and give a baseline for other gas mixes?
+4 #1 Rats 2012-11-12 01:02
Nice! Like you guys I cannot contain my excitement.

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