Posts by me356

Both are reactor temperatures at the outer surface. One is sensing the hottest part of the body through IR Camera and the other one is specific spot at the reactor - at the end.

Development of temperature is more or less very similar for all the time.

Similarly pressure development is variable to some extent - with more active mesh there are quite apparent changes. Actually the mesh type that has higher COP can load even more hydrogen itself without Palladium coating than Nickel mesh coated with Palladium.

We are measuring reactors in a various ways, depending on what design can allow.

However if you will focus just at one point you can measure even 10 times lower COP than at a spot that is 3 cm away.

Quote from Bruce__H

me356

Here are the other 2 traces you included in your attachment to post #3770. What do the green and red traces signify?

These are temperatures at different places of the reactor body. There you can see they could change on its own with constant input power. In some cases there can be difference over 50°C at very short distance which is well visible with IR camera. So measuring just at one point is very bad idea.

It happens quite often that the highest excess heat is even at the end of the reactor which is very nice to see because it is clear the heat does not come from the heater.

Quote from Bruce__H

me356

I have a few questions.

General questions: How should we expect ignition of the reaction to look? Does it turn on suddenly or gradually? At a particular temperature or over a range of temperatures? What should magicsound and the rest of us be looking for?

Specific questions: In post #3770 on this tread (link), you attached a document that included plots of temperature and input power vs time as LENR heating turns on. But they are not well described. Here are some of them ...

1) Is the blue trace in the top panel the temperature of the reactor?

2) It looks to me as though the top panel illustrates the first 15 minutes of a passive (i.e., non LENR) rise in temperature following a 40 Watt step change in input power. Is this in fact showing excess heat generation? What part of this indicates to you that excess heating has begun?

3) What do the non-blue traces in the top panel show? Are they important or should we ignore them?

4) At what point do you expect the Geiger reading to show unusual activity?

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1) Yes

2) Excess heat is generated mostly from the room temperature. With higher temperature it is exponentialy higher. So very often there is nothing strange visible and one could think there is no excess seeing just at the curves. Main difference is that when mesh is not present or there is unprocessed mesh inside then temperature difference is significant at the same power input.

3) These are all temperatures in the top panel. Initially it takes longer time to reach target temperature.

4) At no point. If gas is pure there will be almost no geiger count increase.

Quote from Bruce__H

I note that me356 says (here) that meshes sitting in plastic bags for weeks on end has not prevented him from seeing excess heat in his own trials. So just sitting in plastic bags is not a crucial factor here. Perhaps it is some combination of sitting in the plastic bags combined with the events of shipping that has disabled the mesh activity.

Since me356 appears to have some week-old meshes on hand right now, I wonder if some of those can be shipped using a packaging method designed to prevent large-scale hydrogen loading.

Yes, we can ship these meshes even tomorrow.

We can ship you another batch of meshes that we would use normally. However they were stored in the open bags for around 5 days.

We are also testing even more powerful meshes as I described earlier. We will have likely hundreds of these meshes within around month so then we can send for testing.

I want to ship it in a container with Argon now. These are much more reactive that there is chance they could catch a fire so also shipping must be done in a special regime for hazardous material.

I am deliberately not sharing what our COP is because the most would not believe. At the same time there would emerge group of people that will request proof.

In any case it is noticeably better than what Mizuno shared. Our aim is that you will see in your own reactor similar results.

I am sharing what I can at the present moment. We are finishing last aluminium blocks for new reactor which I will document within following days.

We have no independent verification. Our business is based on a different reactors that are way too distant from Mizuno type. This is all under NDA and we do not plan to change anything there.

However we are using Mizuno reactor basically for playing and learning news from 2019. At the same time we see it as simple enough and the best for replication by public.

So we are just trying to help replicators. Our aim is not to convince anybody. We have nothing from this and actually spending thousands USD on it and also we do not want anything from anyone.

So whatever happen I am fine with this.

We plan to provide working reactor to MFMP with all equipment for no cost. I believe it is enough. But it is always better if it would work with reactor not constructed by us as it can show how versatile it can be.

Protium will work in the most cases too. It is not needed to use Deuterium. But benefit of Deuterium is that you will not produce Tritium. While when using H + D, Tritium yield is the biggest. With protium it is rather rare. With 1:1 mixture T will be released in the highest rate.

But there are also other reactions taking place. However these are usually not generating any unwanted products.

Quote from magicsound

Here's a graphic summary of the power step from 250C to 300 C and back. It shows that some additional unloading of the mesh happened as the temperature rose, amounting to about 20 Pa of additional gas pressure after cooling back to 250C.

No excess heat and no unusual radiation was seen. So unless other tests are specified and possible, I declare this experimental series as finished. For the next series I need some mesh samples that have been stored, packed and shipped without physical contact with plastic or other organic materials. Argon fill would not hurt, but isn't critical.

You can try what I recommended - add hydrogen quickly at 250°C. Transition from around 0 - 100 Pa to 300 Pa will do the job. Then you should see excess at least temporarily.

Hydrogen flux is achieved by maintaining loading ratio of the mesh as low as possible.

This is achieved with low pressure.

I described it few posts earlier.

No need to play with AC/DC or modulation. This reactor is working differently than those that require a special modulation. Instead stable power for long term operation is beneficial. The only importance can be focused just on Nickel flux. This is what will allow excess.

We are using cartidges that are not immersed in the hydrogen atmoshphere. Instead they are perfectly insulated.

So that heater can be replaced within one minute completely - even if reactor is running. Main heater is inside but also rest of the heaters are outside to modulate balance between heat extraction rate and excess heat.

But internal heater is enough if there is no load.

It seems there was no excess heat, but it was the closest to this condition from all the tests.

In any case excess heat generation can still happen even with supplied meshes after some playing.

For example short term excess can be almost certainly achieved by fast pressure increase when running at 250°C.

The only way how to at least partially alive meshes that were preloaded with hydrogen is to heat and vacuum it as desribed by Mizuno, for few times.

Yes, that is very correct. This behavior will remain and should not start to rise at this moment. At certain level it will stop. This level will be equilibrium between nickel hydrogen flux and pressure which is required to remove hydrogen back from the surface. In this way circulation can start. If flux is high enough there will be excess. This could happen at any moment right now if we are lucky.

Thank you for the stream. Now you introduced hydrogen slower which was also helpful.

The progress now looks much better and is close to what we need. Pressure development started to be correct. Now we only have to hope that hydrogen flux will be good enough yet it will not load too much. If certain flux level is exceeded excess will appear. So there is no other magic involved.

Vacuum pumping (when there is a hydrogen in the lattice) will unfortunately always damage mesh to some extent as described in my guide but it still looks promising to give off at least some excess.

Noticeable portion of hydrogen can't never be released even during very high temperatures.

In other words to achieve LENR with a common Nickel (not prepared by a special process) you have to stay at the smallest possible loading ratio. Smallest loading ratio has the highest Hydrogen flux in the transition metal. That apply for all transition metals and is quite logical.

But at the same time you have to maintain condition which will disallow Nickel to load the Hydrogen. And such balance is uneasy to maintain. But with pressure it can maintained very well.

But different fuel condition require different pressure range. But in any case it is safer to stay at as low pressure range as possible.

Quote from magicsound

According to me356 the mesh may work after bakeout, though at reduced level. I'm finishing my current test by heating back to 250C after the deloading process. If the hydrogen is truly gone, there should be little if any rise in pressure. Currently at 175C the pressure is still below the 1 Pa measurement limit.

Very well. Before adding D make sure that temprerature is constant at the room temp. If temperature is still falling loading rate of hydrogen is faster. So filling is best to do at constant temp or right after you power up the heater when it heats up - at as low temperature as possible. And also please try to fill the cell as slow as possible and only at the first try. Any additional filling to the mesh will improve flux of the mesh. Which is unwanted if you are unable to deload the mesh fully - which is almost impossible when we are talking about Nickel.

You are trying to not load the mesh because when it is loaded flux of the mesh is reduced. When flux is reduced excess heat is always limited.

So what we are trying to do are two things that are quite controversial.

And low pressure range is maintained so that hydrogen can be trapped back from the lattice and circulate near the surface.

I hope I can find a parable that could show how transition metal and LENR works.

Do you have some ideas how to package the meshes? Which materials/products to exclude?

Wow, that is great finding!

It is because any pressure change will affect the reaction. Also nitrogen content was very small. But gas that is coming from yet unknown source is unwanted. It was already probably in the lattice. Lattice saturated with hydrogen which we suppose it is (will be likely determined by Alan after the run) will not produce any excess.

Please note slight contamination of the gas is not a problem at all. It is not needed to vacuum that thoroughly to get excess.

Contamination will usually only cause increased geiger readings.