Stirlingengineforum.com

.... It is impossible to compare fuel tank levels with internal energy levels because it is just as easy to fill the top 1/4 of a tank as the bottom 1/4, and it is harder to fill at higher temperature than zero Kelvin, it harder to compress 14.7 psi than zero psi. That is the penalty of back work a...

It seems Tesla didn't speak or write anymore publicly about his ambient heat engine after the article in 1900, but apparently kept working on it until around 1930 ? I don't know any more than what he put in that article. What seems interesting to me about compressed air is as the air is compressed t...

I think that chart is for steady state currents and temperatures and COP's. At 0.1 times Amax, it will produce 10° of delta T, at a COP of 2. At 0.2 times Amax, it will produce 20° of delta T, at a COP of .7 Very tiny amounts of power for small steady state COP's, and delta T's, max. Not sure how r...

What Jeremiah says near the begining of this video about the importance of the pump to create a vacuum in the turbine to greatly increase the efficiency of the turbine also sounds very similar to what you are proposing, using the pump as a kind of replacement for a cold condenser. https://youtu.be/h...

Personally, Paul here seems to know what he's talking about. https://youtu.be/f4UmvPLmV40 In this interview he mentions ienergysuoply (Jeremiah) as a partner he was working with, which makes me tend to think Paul may have been Jerimiah's partner that died, but whatever the case he seems to not be co...

The intro blurb in the previous video says "compressed humid air" is supply to the turbine. This is, I think, similar to this phenomenon: https://youtu.be/2hYQtB4QkEY But as Jeremiah commented, this normally requires high pressure. A shop compressor that big as in this video is probably at...

It seems this was low pressure "cold steam" driving the turbine ? The second stage turbine providing the vacuum rather than a condenser/ice bath Still, producing a 100°f drop in temperature at the turbine. It is a bit frustrating that the circumstances and actual details of this test are n...

I believe this is the double two stage turbine without any condenser or load, still, there is already ice forming within the turbine. https://youtu.be/c5NzHvGxTss This was five years ago, which seems like the more recent developments are somehow less advanced ? One of Jerimiah's comments says: . It ...

A fairly simple experiment I'd like to try when I get a turbine, which may be in a week or so, tracking says it is on the way, from China, would be this: Compress_20240602_080527_7386.jpg This would, of course, have to be a "saturated vapor with all air removed from the system. This could be ac...

My understanding at the moment, (which could be wrong, as I've only just begun looking into these things and some of the informations is contradictory or confusing) Is, what that chart indicates is when first starting up a Peltier device is at 0°∆T and it's power draw is low and it's COP is basicall...

What I object to mostly is how (added) "heat" and (existing) "internal energy" are treated as equivalent for the purposes of the "Carnot limit" equation η=(Th -Tc)/Th ⋅100% Tc is the internal energy before adding heat Th is the internal energy after adding heat Th - Tc ...

I was just browsing the internet for small HVAC compressor pumps. There are a couple companies making mini refrigerator compressors. One is Rigid: Compress_20240601_015658_8992.jpg 12 volt DC Compressor, smaller than a can of soda pop. Not really a lot different from some of the little butane refrig...

There is a vacuum between the nozzle and the pump. ... Well, I don't want to discourage your efforts, I could always be wrong, it just seems like your putting the cart before the horse. There would be a vacuum, if there was a vacuum to pull air through the nozzle to turn the turbine to turn the pum...

I don't really see any chance.whatsoever of that working, to be honest. Any elaboration on that? Because I'm convinced it'll work with a delta T. And might with ambient air. I probably just lack the explanation skills. I guess we'll find out. I'm happy to fail, but I will try anyway. Maybe I'm not ...

Aaron apparently, in his own words in this podcast thinks suppression of technology, at least in some circumstances, is "just good business practice". https://www.podchaser.com/podcasts/the-higherside-chats-27046/episodes/aaron-murakami-jeremiah-ferwer-150784081 Hard to determine who are t...