T. E. G. with evaporative cooling

Added: 2026-05-23

[00:00:03]TEG is abbreviation of thermmoelect electric generator. The type of thermmoelectric generator I just started working with is a kind built around the Peltier plate module with heat sinks glued to each side. Now I might be pronouncing that wrong. Peltier I some people say should be pronounced Peltier.

[00:00:23]Okay, I'm not sure which one it is. But anyway, in this video, the experiment is going to be a comparison of the thermmoelectric generator with and without my evaporative cooling idea.

[00:00:36]These are the parts I'll be using for the thermal electric generator. This is the Peltier Peltier plate module with the different junctions of metal in them.

[00:00:50]I will be using these aluminum heat sinks and a piece of copper plate on the hot side. It's just cut from some copper flashing. I'll be powering up a little motor with a a 4-in propeller on it.

[00:01:10]And I found another use for this carbon fiber graphite rope I'm going to use as a wick for my evaporative cooling idea.

[00:01:20]And I'll be powering it with my uh oil burner that I made in another video.

[00:01:25]I'll put a link in the description for that. Anybody's curious how to make it.

[00:01:30]This is one I have set up already. I got a couple here where I glued them to the heat sink. use this uh thermal glue right here.

[00:01:43]And I just have this one on a little stand.

[00:01:48]I guess I need to put a weight on there.

[00:01:50]But I'll just be heating it up.

[00:01:54]Get these wires out of the way. I'll be heating it up like this.

[00:02:04]I have a little thermmoelectric generator operating right now. It's turning this propeller here. This little electric motor, open voltage, loaded voltage. This is a Peltier module right here. I got a aluminum heat sink over here. And this is a copper plate here where the heat is being dispersed into the Peltier plate. And this aluminum uh heat sink now is just operating off of air cooled through these fins here.

[00:02:37]And we will test the temperature of that black plate. So we got something to compare to right in there.

[00:02:51]Oh, 517°.

[00:02:53]That's the hot side of the thermmoelectric generator. Uh, I can't test this site because it just reflects off of there. But that's what we're getting with this. Now, I'm going to set it up with my evaporative cooling idea.

[00:03:07]The only thing different, I'll have some water here, and I'll have some of that carbon fiber graphite rope I'll weave through these fins here to act like a wick to suck up the water and cool this off a little bit better. But this is what we got just with air cooled.

[00:03:27]I have my thermo electric generator operating evaporative cooling mode right now. I'm just testing the temperature on the hot side.

[00:03:40]I don't know if you can see it, but there's a little bit of steam that'll come off of here. The water is being wicked up through this carbon fiber graphite rope that's in between the fins of this uh heat sink. And as it evaporates, it's dropping the temperature down more than if it was just air flowing through there. I have this right here cuz Whoa. My uh little propeller was What's going on here?

[00:04:12]was was messing with my flames. It's going again.

[00:04:18]Starting to touch.

[00:04:23]Keep getting in the way there. Oops.

[00:04:26]Let me get that separated.

[00:04:33]They're wanting to bounce together the connections.

[00:04:37]But anyway, that's the loaded voltage.

[00:04:41]Let me disconnect it.

[00:04:46]That's the open voltage right there.

[00:04:51]this little connector.

[00:04:56]There we go.

[00:04:58]Put that back in front of there.

[00:05:03]This is messing with my flames on my burner.

[00:05:08]And this is just used canola oil in here.

[00:05:16]Got two of them going. Two wicks going.

[00:05:27]It's kind of stabilized there up a little bit higher.

[00:05:34]Voltage is going up.

[00:05:37]So we are getting a significant difference I think.

[00:05:46]Take a look there. I think you can see some steam coming off of there. Maybe over this side.

[00:06:03]It's just sitting on there bouncing around.

[00:06:10]But that carbon fiber graphite rope just wicks up the water that I got woven in between the fins of that heat sink.

[00:06:25]And we're up to 3.1 volts right now.

[00:06:32]That plate must be a little bit hotter right now. Let me test that.

[00:06:42]Yeah, the plate is a little bit hotter right now.

[00:06:47]See where I'm focusing in on there? I'm trying to get in between the flames cuz the flames are hotter temperature.

[00:06:56]It's hard to test there. Yeah, my meter's going off. Anyway, that's what's happening with the evaporative cooling mode.

[00:07:07]And now I snuffed out one of my flames.

[00:07:10]So it's just one little flame. It's not even real high right now. It's about like a candle.

[00:07:17]Voltage is a lot lower than I've had two flames going.

[00:07:23]Propeller's still going.

[00:07:26]This still working.

[00:07:30]It's just water and that's used canola oil in there.

[00:07:36]I was saying this is the burner that I made in another video. It just burns um used canola oil, but it'll work and work and work. Just keeps going.

[00:07:55]And the voltage is going up and down a little bit. 1.7 volts.

[00:08:02]But what's so nice about this is that it's just quiet. It's so easy to put together. There's no moving parts. The evaporative cooling made a significant difference. And I don't need a pump to pump water around to do that. Just the wicking of that carbon fiber graphite rope is enough. And it'll just keep going on as long as you got some heat applied to the one side. I had this going for hours at a time just burning up some uh used canola oil. So I suppose a candle could work too. And I know they say this is a very inefficient way of generating electricity, but it works and didn't have to really manufacture any parts as everything is just available.

[00:08:40]And I'm going to keep probably adding some more of these together in a series and making a bigger generator and we'll see where it goes from there. So, I'd like to thank you for your time, for watching, and I'll see you