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(ClamShell) A low input power, high temperature reactor

Scritto da Robert Greenyer on .

Details on this experiment family will be recorded in this blog. For now please keep a track of the live document below and make comments, questions and suggestions as normal.



+1 #18 GlowFish 2016-10-24 07:14
Have there been any further developments with the experiment?
0 #17 Stephen Cooke 2016-10-10 13:47
Could this be useful Bob?

It's probably a way out there idea but... I wonder if corrugated borophene or graphene could play a useful role. I recently read the following article about the use of borophene for flexible electronics:


But i suppose another quality of this material apart form its flexibility would be its large surface area. If a graphene layer is useful I wonder if corrugated graphene can also bring benefits.

I wondered else where if the electrical properties and other useful characteristics of Boron Nitride Nano Tubes or or Boron Carbide Nano tubes could bring some benefits:


if so perhaps the borophine equivalent could also bring some benefits too. Does Boro Carbide also produce graphene like mono sheets I wonder?

The following is probably way way out there but i saw it reading about the above and it makes me wonder, however it would require someone with better theoretical knowledge than me to know if it is relevant or not:


Its interesting that there appears to be a spatial dependance of the fermi velocity in this corrugated material could this be useful in some way? or is it complicating things too much?

This is interesting too:



Could Moire fringes and dislocations play a role in enhancing Hydrogen absorption?


Just an idea

The following book looks interesting too I'm not sure how easy it is to get:

+2 #16 GlowFish 2016-09-30 11:48
Will there be some sort of link to something like Google Drive with the data from the clamshell experiment similar to the GlowStick series?
0 #15 Fredrick Hibbs 2016-09-28 15:03
Quoting Bob Higgins:

I added to the live doc above a description of the thermal simulation and the updated results."

@Bob Higgins Please may I stress the need for calorimetry (to convince all the skeptics) rather than relying on a complex mathematical simulation. All it would require is a sealed perspex box around the whole apparatus with a measured flow of ambient air going into the box and a measured delta temperature of the air coming out versus the air going in. Small adjustments could easily be made for the ambient air inlet pressure & humidity.

A highly reflective surface on the inside surface of the blocks would also help increase the COP by reducing the heat input required for any given operating temperature.
0 #14 Rene Vega 2016-09-22 22:08
Quoting Bob Higgins:
@Rene Vega
* * * it will not be possible to do with the Ni+LAH fuel which is electrically conductive. The fuel will short out the electric field. * * * * Doing this would require a dielectric seal at the plumbing end of the tube (presently a metallic seal).

It's not 0 ohms. Whatever resistance it is will be almost 7 times greater at 1200C. If you are amenable, would you measure the resistance sans metallic seal with the fuel loaded before proceeding. I'd do it myself but lack the facilities to handle LAH safely at this time. Thanks.
+1 #13 Bob Higgins 2016-09-22 22:01
I presume the MFMP online video you were watching was of the "!Bang" experiment - obviously so named after the fact. That occurred during a time when we believed the high pressure H2 liberated by the LAH (hundreds of bar) was necessary for the reaction. Since then we have discovered that the experiments that produced excess heat were the ones that leaked, and the actual H2 pressure needed was below 1 bar absolute (a slight vacuum). At this lower pressure there is far less H2 present and less danger. Still it makes sense to be safe. I will take your advice and re-double my efforts to protect against bad outcomes.
0 #12 Rigel 2016-09-22 17:59
[quote name="Bob Higgins"]@Rigel
I am not sure what you mean about the null load. The entire system is being thermally modeled in SPICE using a reactor with a simulated dummy fuel. The model is better now and is extended to over 1250C core temperature.

The top brick was not designed to relieve explosions, though that is what would happen. The heater coil is heavy iron wire and that may channel any explosion axially. At my operating point, I am protected from that by 1/4" aluminum plate. /quote]

Bob, I was watching MFMP online time ago and saw the pop. You are mixing chemicals at high temperature. I would test your blast shield plate. If you do get a run-away. That said, I have had 2 small accidents. My metal shield held up, but one small piece got by where I did not have protection. The missus made me move my lab out into the cold winter garage. Nothing is more sobering than an explosion.
0 #11 Bob Higgins 2016-09-22 17:13
@Rene Vega
While it certainly would be possible to establish an RF electric field in the dummy alumina fuel that way, it will not be possible to do with the Ni+LAH fuel which is electrically conductive. The fuel will short out the electric field, but you could drive an RF current through the fuel that could provide an RF magnetic field. It is a complete unknown what effect such a current would have. Doing this would require a dielectric seal at the plumbing end of the tube (presently a metallic seal).
0 #10 Rene Vega 2016-09-22 05:58
Given the arrangement of a vacuum pipette inside the stainless steel beer tube, it might be possible to inject RF into the fuel like this:.

0 #9 GlowFish 2016-09-21 19:10
@Bob Higgins

Thanks for the update. I did wonder what programs you were using. Another small request. Could you add a text label next to the resistors and caps to specify what aspect they are modelling. For example, I assume that V1 is your ambient temperature, C1 your heater thermal capacity, R7 is your heater to ambient transfer,R6 your heater to fuel transfer, C6 your fuel heat capacity etc (Or something like that).

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