To Russia, with love...

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@robert greenyer

More food for thought. Al is relatively impervious to H and He and once it melted and coated Ni in the core, it would tend to trap H and He in the Ni matrix "crack reaction zone". This is an excellent environment for recombination of atomic hydrogen.

@g barrett: I've thought of that too over the past years and even recently. It could also explain why the reaction can't start right away (4-5 hours as in previous MFMP tests) but needs more time apparently (assuming Parkhomov's results are genuine. He did run his reactor tubes for an extended period of time though).

It would be hilarious if it were that simple and we just didn't have the right recipe all along. Since Ryan Hunt has run many long-lasting experiments under hydrogen at all sorts of pressures (up to 15 bar) and temperatures (up to 500 °C), there must have been something missing so far. Perhaps the process was as you're hinting too slow for any noticeable effect to occur.

Reading your linked document the first thing I noticed was that liquid metal can cause embrittlement. I was already aware that Gallium for example can eat away Aluminum pretty quickly and make it very brittle (link: www.youtube.com/.../ ); I don't know about a molten Lithium-Aluminu m alloy in a heated atmosphere on Nickel adsorbing a plentiful amount of atomic Hydrogen, although admittedly that sounds like a rather harsh environment for it to be, pretty much the worst one can imagine for metals susceptible to embrittlement.

You could be onto something... not a far fetched idea at all.

By the way, there were noticeable amounts of 69Ga in one of the grains in the TPR2 SIMS analysis, although one should take them at face value. I don't know if it would have any effect on Nickel too. Trace amounts are catastrophic for Aluminum.


EDIT: again assuming this is true, it might also be consistent with the gamma emission correlation with temperatures. The lower the temperature, the less ductile and more brittle the affected metal is and the harsher cracks and failures would get. At higher temperatures the target metal would get softer, but also get embrittled faster.

@Robert Greenyer: I'm aware of that. I was trying to find an explanation, no matter how crazy it could sound, as for why all or most of the reaction energy that is supposed to get emitted in the form of gamma radiation comes out of the reactor in the form of mostly infrared radiation (and => RF? there have been claims of RF being detected from LENR too). It's as if a deep redshift is occurring at a local level.

@Robert Greenyer: I've read that suggestion in your hypothesis spreadsheet. My further improvement to that is crushing the rod into small pieces in order to attempting to separate the sintered nickel particles from the LiAl (+LiH and Ni?) coating and exposing them to the atmosphere. This could turn out to be a totally unnecessary step, but one can never know, as crazy as what I'm implying might sound (which is probably even crazier than the excess heat itself).

My ultra-speculati ve hypothesis is that it's where the "gamma thermalization" is occurring. In other words, what might be providing the way for obtaining abundant excess heat is also for some inexplicable reason absorbing all or most the gamma radiation generated, unless a mishap/hiccup in the process occurs.



EDIT: Levi et al. in their Lugano report (pages 28-29) calculated the energy needed to show the Ni and Li isotope shifts seen to be in the ballpark of that of the one calculated through thermal measurements. While Bob Higgins' revised (lower) external temperature estimation detracts from that, it could still be regarded to be more or less consistent with it.

What I'm basically saying is that in Lugano's case, the overall output excess energy does appear to come from expected nuclear reactions.

As the authors interestingly note that the 7Li depletion is an unsolved problem in astrophysics, and as they hint at that in a rather goofy way (as in "we totally do not really mean it, seriously!" - not the actual wording but you get the idea) one can only wonder if they don't know the answer already and if this could explain the very same mystery of complete gamma "thermalization " in these reactors using LiAlH4.

Not really LENR related, but could ring some bells: physicsworld.com/.../...
(the conclusion, especially)

@Ecco

Good spot, it does look like as devices switches on at the critical Alkali Hydride melting temperature - and it would appear there is a coincident gamma peak - then it goes away.

Your connection with Rossi's original demonstration is a good call. Thankyou

@Robert Greenyer: still, if in a cloud chamber and in other experiments Piantelli has indeed detected gamma radiation, neutrons and energies associated with standard nuclear reactions caused by protons in the several-MeV range, something must be happening for most of this to not show in the latest reactors and replications.

The main difference I currently see from past gas-loaded experiments is the liquid electropositive metal reaction domain. If one were to accept Piantelli's findings and to trust calorimetric measurements from others (Levi, Parkhomov), then I can see something very unexpected possibly occurring there, likely what is allowing gamma radiation to get completely or almost completely "thermalized".

Perhaps if one were to take the sintered rod out of one of these reactor tubes when it's clearly showing excess heat, quickly break it down in very small pieces and then attempting to measure radiations with a detector (or put the broken rod pieces in a cloud chamber), something could be seen?

EDIT: try asking dr. Celani to tell you everything he knows/remembers from the January 2011 E-Cat public test he attended. Celani did detect gamma emissions, but wasn't allowed to use his instruments in spectrometer mode. This could be in retrospect very important information. I remember that Rossi that day had a hard time starting his reactor.

@Robert Greenyer: a big puzzle I'm having a hard time solving right now is the seemingly lack of gamma radiation detected in dr. Parkhomov's experiments or in the Lugano TPR2. As far as I now understand from prof. Piantelli's theory described in his patents, protons ejected from the Nickel lattice through orbital capture should be interacting with surrounding matter through standard nuclear reactions, ie engaging in hot fusion.

I remember reading that prof. Piantelli experimentally verified proton ejection and alpha particles in a cloud chamber several times (this is also mentioned in his patents). Several of his late '90s and early '00 papers with several watts-level excess heat also showed gamma emission and neutron emission in some cases.

Does prof. Piantelli expect gamma radiation emission to always detectably occur when excess heat is also occurring in the several hundred W - kW range or are there cases where he believes this might not necessarily happen?

@All

We have one of these in Minnesota we got off EBay

luxel.com/.../...

It should allow us to program and Automate a full Parkhomov heatup and control.

It can also be monitored by this software

www.eurotherm.com/.../itools

Ryan just needs to learn how to do it now!

@Charlie,

The little envelope goes in the larger white bubble wrap lined envelope.