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The Martin Fleischmann Memorial Project is a group dedicated to researching Low Energy Nuclear Reactions (often referred to as LENR) while sharing all procedures, data, and results openly online. We rely on comments from online contributors to aid us in developing our experiments and contemplating the results. We invite everyone to participate in our discussions, which take place in the comments of our experiment posts. These links can be seen along the right-hand side of this page. Please browse around and give us your feedback. We look forward to seeing you around Quantum Heat.

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Here are some interesting results from last night's run where we scanned a range of temperatures using both wires so the current in the Celani wire was in a similar range to what he demonstrated.  The graph below gives you the timeframe and a view of the temperatures achieved at each step.

Next we have the power steps for the NiCr wire (Blue channel) and the Celani Wire (Red Channel).  

The Celani wire ran more current because it has a lower resistance and they are both run off the same voltage.  Although, I am seriously considering adding another power supply specifically for the NiCr wire.  It would be interesting to hold the cell temp constant while changing power through the active wire.

The impedance data was interesting, again.  We saw a small range of steps in which the impedance rose with the temperature and then started to decline.  The range in this experiment was at much hotter temperatures than the sweep test with just one wire.  We still don't know what this means, exactly, but I think it is a hint.  So, while I am writing this up, we stepped the power back two steps to the highlighted point.

The Excess Power data looked uneventful to a casual observer.  What we saw last night:

What I "think" I see in it may be more intersting.  This 5 minutes averaged data makes it much more readable.

Go ahead and tell me if you think I'm grasping at straws.  I know the downward spikes should grow with the size of the power increase, which increases with the square of the voltage, so I am largely at a loss to explain this shape.  Or the downward trend of the top of the first 6 steps.

The temperatures in the first few higher points are rather close to the range in which we saw decreasing impedance over time in the Mini Sweep done a few days ago. See:  Sweep of Loading Temps Write Up  

This is totally making me wonder, though, since it is consistently beneath the power levels seen in the first runs with the Celani Wire in Helium.  Were we seeing excess energy from the "unloaded" wire and we aren't anymore?  Or is the difference between Helium and Hydrogen? We'll have to plot a few more temps on calibration curves and get another perspective.

 

 

 

 

Comments   

 
0 #20 Pierre 2012-11-20 00:19
I wonder if there is a variation in the internal resistance of your psu at certain current levels. It could be verified by using an ordinary copper-wire / resistor.
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0 #19 Ryan Hunt 2012-11-19 22:13
We are working on the control loop for the power supply currently. It may be up to 3 weeks, but when we get it working we will be able to set the voltage, current, power, or a temperature.
Unfortunately the data collector computer is bogged down with something for the moment and not uploading the data. We are trying to figure it out.
It was suggested that running at low pressures of Hydrogen like we are may slow down the recombination of H2 and improve the loading. I was getting antsy to up the pressure back to 3.5 bar again. I am not too concerned about oxygen or nitrogen because I have need no hint of the pressure rising in the cell over time.
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0 #18 JOB001 2012-11-19 22:06
Why run at less than 1 bar? This creates the potential for N2 and O2 contamination and criticism due to leakage. Isn't the wire is sensitive to O2?
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0 #17 Ecco 2012-11-19 22:04
@Ryan Hunt: thanks for the change. It appears that other channels were affected by this issue as well, not just P_Out.

By the way, the data feed doesn't seem to be updating at the moment.
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0 #16 Michael Kussmann 2012-11-19 21:54
Could you modify the control of the PSU so that you get the Pout controlled in a closed loop? This would make P in to the wires control easier . (My lab PSU has that functionality and it is sometimes really helpful). As Hydrogen has a significantly higher specific heat and a higher thermal condictivity than helium, this could explain the "negative excess" energy.
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0 #15 Ryan Hunt 2012-11-19 21:36
@ Ecco - the change you suggested is made and will be installed shortly. Unfortunately, we can't make it retroactive.
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0 #14 Ryan Hunt 2012-11-19 21:35
At Mathieu's suggestion, I flipped the power off on the wires for about 3 seconds and then back on, again, just to perturb the system. Also, the ambient is rising because the main building is rising because today is unseasonably warm and sunny. It stays fairly constant in here, but not within a tenth of a degree.
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0 #13 Ged 2012-11-19 20:54
On another note, it really does seem like P_xs has a slight upwards trend to it; as it's getting consistently more on the positive side of the line the longer this run goes. At least so it seems to my watching. This is getting more and more tantalizing. Strange it's so sensitive to the presence of people.. could it be from air displacement?
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0 #12 Ecco 2012-11-19 20:53
By the way, gaps in the data feed make P_Out drop to zero causing chart plotting problems. Can this be fixed, for example by simply leaving a gap and not assuming the missing data as zero?
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0 #11 Ged 2012-11-19 20:50
@Ryan

Apparently it's got performance anxiety :D.
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