Peltier Effect Cooling - Experiments with a Peltier Cooler Device

[@wardog3d]

Thanks for a great video. I recently bought a neck cooling air conditioner with thermoelectric cooling and heating and I didn’t want to break it apart to figure out the engineering behind it. This was the information I was looking for.

[@hadireg]

Awesome tutor!! 👍👍 you're a proof that everything can be understood with no brain-pain with the right fundamentals explained and building the right words upon them!

[@belspace]

Best tutor in youtube on thermoelectric ! 👍

[@johndrew6568]

Hi, I really like your vids, about four yrs plus I purchased; I don't remember how many peltier tiles/ devices. Just watched your vid and it reminded me, now I'll have to search for them and to try what I wanted to do back then. Thanks for reminding me. Hope you and all your viewers and subscribers have a great Christmas.

[@SenenPaez]

i have been looking for articles like this about peltier coolers and he explained it so clear... thank you sir.

[@LazizbekYusupov92]

Hi, honestly, I would want to have a professor like you during my Bachelor studies. I am more than sure, I would have much better marks and understanding of engineering.

[@LazizbekYusupov92]

and better career

[@grathado28]

Society is past the need for professors gentleman like this provide better experiences without the unnecessary affluence, because in the end people only care about what you can and can't do.

[@ganymedkallisto5561]

„Cool“ episode 👍 Peltier Coolers are also used in dedicated astrophotography cameras to cool the camera-chip and reduce noise in the images.

[@samoasidecartours8853]

Good vid, thank you. I made a shunt-type opportunity (solar/wind) charge controller for yachts using a set of water-cooled, current regulated peltier devices. Having a large supply of water, the efficiency increase over the typical air-cooled applications was incredible, even accounting for the small pump (which also ran in proportion to the hot side temps). I say 'set of', as these are current devices, not voltage devices. When I would start to exceed the maximum efficient current, then I'd switch another peltier device into circuit to keep the battery within my desired charge parameters. The delta-T runs around 90*C (hot to cold), it's the Q that they suffer from. Most commercial applications use a forced air heat sink, my experiments showed that they were a much more practical device when water cooled (the colder the hot side, the colder the cold side, if that makes any sense).

[@broyencarpenter3740]

Thank You For Helping Others LEARN!

[@rusticagenerica]

You are super awesome man ! Welcome to the workshop !

[@user-lh8rb5wx6q]

Just got a pair of these, now I can also make some use of them, and all the heatsinks I have lying around... Thank You, Good Job Sir. Much appreciated.

[@sharonpaige9592]

I intend to do better placing comments. but this is my first comment on a post....If I could give you an A + I think you give the best tutorials. Others do not give enough details that leaves a person searching for more info. Keep up the good work. Thanks a lot.

[@kb7yim960]

Very good video. I enjoyed watching and learned many things in 20 minutes. I like too, the open and close music. I watched while sipping coffee in my DroneBot Mug.

[@genesmith8781]

Terrific video! I am looking to cool a small outdoor fish tank and this gives me some thoughts on how to go about it. Thanks for the work on it. I learned plenty.

[@rdman5465]

It is amazing what a person with knowledge can do using the right words and equipment. Love your video.

[@harrymills2770]

I bet getting that bench power was a big day for him!

[@reasonablebeing5392]

Great demonstration. I have the same Micronta multimeter that I bought from Radio Shack when I was a teenager back in the '70s - yours is a lot less beat up then mine after many years of use. We had a water cooler that used a pair of Peltiers to cool the water. It worked quite well and was silent vs. the water coolers that used a compressor.

[@debadrimishra4741]

Very simple yet to the point. Nice one man

[@ftfk7869]

I have just discovered your channel. I think it's great. I'll rewatch this with my nephew, and do the same at home, see if I can spark the engineering bug in him. Cheers!

[@ethanboser4952]

I just wanted to say thank you your effort is noticed and I thank you for feeding my curiosity

[@ollegoop5699]

Peltier devices are widely used to generate electricity in stove fans.

[@YorkyPudinz]

Stove fans actually use seebeck generators so TEG's not TEC's

[@embracethesuck1041]

@@YorkyPudinz What is the difference? Do they have a different nomenclature?

[@murrayhalbert2988]

loved the vid, I had used two of the same peltier modules for a project 10 or so years ago, seemed real inefficient to cool beer from a keg through the system I made up, fine until you invite a friend or two. Princess auto had them in their surplus section at that time with absolutely no instructions or info. Eventually found out how much smoke it actually holds, I would not recommend 24volts.

[@ngkimyong7344]

A really good lesson. Explanation is easy to follow.

[@daveevans1236]

Excellent explanation sir!

[@leoappel9869]

Thanks i had looked up like 5 videos of people complaning about how this works and i didnt understant. Then i saw your video and i learned alot Thanks :D

[@mkzenthusiasts]

My Lincoln MKZ ventilated seats use 2 Peltier devices per seat it was a happy surprise as I always had heated seats never cooled. And let me tell you it gets over 100 degrees F with the fan cycling on and off blowing hot air at my backside

[@adandridsr]

Excellent explanation and demonstration and to the point. Thank you.

[@grassrootfilms]

No one seems to be mentioning this, but this tech was used in space also for a long time. RTG (Radioisotope Thermoelectric Generators) were used on probes, satellites, and rovers. Basically uses the heat from a radioactive source to make power.

[@jstro-hobbytech]

Very good video. I've been aware of the effect but not the module for experimenting with it.

[@paulalmquist5683]

I have 2 Ecofan AirMax fans that are Peltier effect powered that sit on top of my wood burner. They have a small motor that drives an 8 in fan blade that circulates warm air from the wood burner. Works good. Backup in case power goes out in the winter. Made in Canada.

[@othermichigansaturn]

Great presentation! This is very informative and concise. Cheers!

[@r.a.monigold9789]

During the video (I tried to be quiet) I checked out the prices of Peltier devices and they are CHEAP - cost effective. So thanks for the info, I can think of all sorts of uses - both hot and cold plus electricity in and out. Nice video. Thank you for sharing...

[@protonjinx]

but inefficient. power is not free.

[@mikael5914]

Cheap is relative. Cheapest I've found for the exact same device is 3,27€ (about 3,50$ at time of typing) but this does not include the ones I've found from chinese (long delivery time) suppliers. My experience with them is that the published specifications just aren't accurate. At +-4$/piece geneeating about 2-3 watts of power with 80-100°C of temperature differential AND decent heat sinking, I'm not convinced this has any practical or economical advantage for general home or even industrial power generation. As he clearly mentioned, it's probably only interesting in very specific applications.

[@cristiepaz4551]

Amazing! This peltier effect principle may well be the future of refrigeration and airconditiong. Look at LED's, they were formerly used as indicators or sensors only but now most lighting use this technology at cheaper cost of energy. Peltier effect can someday produce cooling effect cheaper than a compressor can do. If only liquid nitrogen or CO2 is easy to come by.

[@ihater3tards]

actually its been around for many many years but due to TERRIBLE efficiency they are being replaced...

[@ihater3tards]

imagine that to cool a room you would need well over a kilowatt of peltiers and a gigantic power supply. The peltier in the vid is probably a 92watt@ 12v =7.6 amps

[@casemodder89]

@@ihater3tards you need at least 3,5kw COOLING capacity for an average 30m2 room. An A/C uses about 1kw for that. Peltier would use 35kw for the same cooling capacity. So dont even think about an air conditioning using anything peltier related.

[@op8995]

Do you do research before leaving comments? I have some exotic sand to sell you. It's special.

[@HikingFeral]

@@op8995 Most people don't research before leaving a KZbin comment no lol, If you don't have anything nice to say and all that.

[@BarackBananabama]

Cool for a while and hot for the rest of the time.

[@DragonsREpic]

thats what heat sinks are for dude

[@VideoFlyer10]

The voltage generation in a peltier device relies on temperature differential between the two sides. Keep the cool side cool, and heat the other side, and you get more voltage. I've never measured the current capabilities, but I don't think it's very much. Although, as stated earlier, they are used to run a fan on a stove.

[@Doubleplusalpha]

Researching the Blaux portable AC brought me here, took me a while to find a website to finally tell me the science behind it and this looked like the best explanation of it and I'm really glad I found my way here; subscribed and am looking forward to learning from this channel!

[@haroonbabanoor9099]

How can I select to get those peltier from junk please ? 👍👍👍 Thanks very much for your information s.

[@PrayTellGaming]

I'm here because I saw some guy cool his Steam Deck using this. Looked up what the effect is. Cool stuff!

[@itristan72]

Awesome class, thank you!

[@aaronzimmerman9389]

Your workshop is very tidy good sir..

[@janetmccusker9512]

Oh what fun! Thanks for another great video.

[@MaximGhost]

Perhaps a solar-powered combination beer cooler and soup warmer for the next camping trip?

[@sennabullet]

Thank you for sharing! Amazing as always!!

[@guyd6]

Another excellent idea, thanks. Bill

[@alexmighty693]

This could have great applications when it comes to personal body temperature control

[@skyak4493]

My thought exactly. The last time I worked with these was early 90s. My recollection was they were ceramic and quite expensive then. The video could have gone much farther -efficiency, what's better.... Educationally this is a great device to put in students hands for the concept of entropy.

[@BeefIngot]

It would be really terrible at that. You would need a huge battery and an even larger heat sink

[@mikael5914]

Maybe in space suits? But as mentioned, what about heat sinking?

[@nutsnproud6932]

Thanks for the video I learned something new today.

[@TechReview2000]

I am thinking about building an evaporative cooler, which also uses a thermoelectric plate to support evaporative cooling. Thanks for your help!

[@shvideo1]

Very well explained and demonstrated. Thank you!!

[@mikael5914]

Great video as always. Around 13:00 you mention there are more efficient ways to generate electricity from (waste) heat. Could you enlighten me as to which techniques these are?

[@Swampwild1]

I imagine he would say a heat pump. Like a mini split. I guess the Seebeck device is better for generation of electrical.

[@steviemaidenhead703]

Thank you that was extremely helpful

[@edcammarata6430]

Thanks again, nice video

[@leonsantamaria9845]

Excellent explanation you are master..l like to have the gizmo...l have great idea for used... tank you...one question if l order on line the name is gizmo...🤪🥳👏👏👏👏🤛👌👍

[@Helmet_Tester]

Hot/Cold Most of the Peltier modules I've used are as follows. Leads Facing you. Positive lead (Red Wire) on right = Cold side Up. Just a little FYI

[@javiermancheno8531]

I LEARNT A LOT !! THANKS FOR THE VIDEO !

[@HikingFeral]

My dehumidifier brought me here, it runs on a Peltier device and that interested me. Works really well too.

[@NewAgeDIY]

I would like to see a pop can cooler/oven. I can see it now. A can of your favourite beverage getting cold and just below the cooler a mini oven heater up you lunch. Great little gadget for a office workers

[@farabielec]

Thank you. Why using fan temp stays 17 deg C? I have one with heatsink and fan on both sides with min temp 13deg c only??

[@deepin2u]

Very interesting! Curious why can't this be done on modern laptops [internally], if in fact with an add-on CAN and has been done for gaming smartphones [done so externally due to limited internal volume]?

[@gurinderpalsingh2479]

great presentation sir, you cleared all my doubt, god bless u

[@martpreneurentrepreneur690]

Thank you. I enjoyed the video. I am searching for a good MSc project on thermal engineering, maybe I will try a refrigerator using peltier device

[@mygarden365]

Thank You, for sharing your information, I truly enjoyed it all JV.

[@lostworld-2024-m5m]

One simple question about the Peltier . Can I put it directly to a 12v battery or should I need to drop the Amperage to a certain level ? Thanks in advance for the answer

[@nusratzenithlisa2718]

I have a peltier at my home but I don't know why doesn't it cool on the cool side, I have touched in the cool side that some parts/corners get heated. I have applied 12 volt 5 amps just one amps less than normal 6 amps.

[@EbboHima]

Thank you for this amazing video

[@martinmuller5462]

TEC = Thermo-Electric-Cooler = Material-Combination chosen for Cooling. Therefore it has a low max. Temp. of the Materials. TEG = Thermo-Electric-Generator = Material-Combination chosen for Generating Electricity. Therefore it has a high max. Temp. of the Materials. Most important is a high (sustained) Delta-Temperature of the Surfaces on the TEC/TEG.

[@harrymills2770]

The most practical application I've seen is those heat-powered fans on wood stoves. Seems like you should be able to rig something up that you could use in camp to charge all your batteries and/or light the place up at night, if you wanted. I think a camp-stove manufacture has integrated TEG cells into charging electronic devices. About the size of a coffee pot. Has computer fans as blowers that re-charge themselves, too.

[@stephenborntrager6542]

I don't know how much of a factor it is here, but you really don't want to run these at full voltage. They will tolerate 12 volts, but they have terrible efficiency at higher currents (and they also hate PWM, or even just being turned on and off too frequently), so controlling them is not entirely trivial.

[@TheAstronomyDude]

Astrophotography cameras all have Peltiers to cool the ccd chip to around 50 Celsius below ambient.

[@Dronebotworkshop]

That sounds like an excelllent use for them. Things have come a long way since I had my 6-inch reflector (Edmund Scientific) in the early 70's!

[@avrahamstern4550]

17:45 omg another peltier video where nobody shows the heat temp :P why ??? :D

[@jabhomemonitoring]

Great video! Subscribed.

[@joeabrahamjose5764]

can a battery be used to power the peltier module and get the same cooling effect. If yes what are the specifications of a good battery that can power the peltier module atleast for half an hour.

[@kantodokova]

14:00 How much energy a cluster of Peltiers would produce under the Brazilian summer sun?

[@leonelgaldinomonteiro4783]

Think same here..

[@jasonbrown5014]

Is it the peltier or the fans that require more draw from the power supply?

[@electronic7979]

Very helpful video. I like it

[@gerryramosftw]

awesome video!!

[@deepakyatoskar7795]

Nice video.if we use no.of devices.will it cool room of 1000sq.feet

[@akshithpaluru]

Is it possible to turn on and off 1 side of the peltier module? Like can I keep the cool side on but turn off the hot side?

[@jasonsong6747]

Thanks professor!

[@winstonsmith478]

Does the minimum internal resistance of the device set the max current (6 amps) that can flow through it or does the device require a current limiting supply to avoid excessive current flow?

[@mikael5914]

I've asked muself the same question but I'm pretty sure it's internal resistance and maximum temperature resistance that dictate the maximum usable current through the device. Limiting the current through a resistor for a device that draws about 50-60 watts of power would make the whole thing even less efficient and pricy as 50+ watt resistors aren't cheap.

[@ansbis]

You mentioned you could series modules for heat capture but there are better ways of heat capture. In your opinion, what’s the most efficient heat capture method? Say to charge a battery bank from a small camp fire as an example.

[@markmarkofkane8167]

Until a few days ago, I didn't know about thermoelectric cooling. I just couldn't believe cooling can be achieved from current flow. I though it always caused heat.

[@mehtauchith]

Loved the video so much, thanks for the midnight science lesson :D

[@stuntcar]

Hi you talked about generating power from heat saying that this is inafishant. What it the best way to get power from heat?

[@nigeljohnson9820]

It would be nice to use this to make a still for distilled water. Evaporate the water on one side and condense it on the other. It would not be necessary to generate steam, just evaporate the water in a closed system. I suspect it would not be very efficient, taking a long time to produce any output.

[@gerrys6265]

How efficient are they...i.e how many amps was it drawing while making that small amount of ice for three minutes.?

[@tinkmarshino]

Very very cool! (sorry)... I am gonna play with this as a cooler or heater for the boat.. dang what fun!.. carry on and thanks for this one Bill.. new things to play with... outstanding! be safe..

[@Dronebotworkshop]

LOL, somebody had to be the first to say it! Thanks Tink!

[@tinkmarshino]

@@Dronebotworkshop So true.. and it always seems to be me.. thanks again Bill.. that video lite (is that the right word?) a fire in my imagination..

[@lanedj801]

I wonder if you apply cold to it, if it will draw electricity rather than produce like with heat.

[@BeyondFoodMarket]

Can a peltier device be powered on for 100 consecutive hours?

[@rogelioiwayan9614]

it means can be use for room airconditioning or a heater

[@timfreestone4145]

would like to know is... What dose the temp have to be between hot and clod side have to be for this to work, and dose movement across some fins have to be in place to work... I am trying to build a really cool stove fan can someone help a old dude out that knows didily- squat about this kind of stuff as where my Peltier mod and small electric motor are 7 inches apart.... Thanks to who ever helps me out here

[@johnalden948]

DQ (dumb question) can you use different size identical conductors size 8 size 14 cu wire?

[@charlesf.6554]

How much current does the peltier draws from the power supply? I tried plugging it on 12v5A power adapter and the led starts to blink, which means the peltier wants current more than 5, be ause its triggerig safety warning on adapter, pls help tyia

[@startobytes]

Hi could you make it with you about the nrf24l01 Module and how to Connect it with the Arduino Uno?!

[@MrGeekGamer]

He already did that two years ago. kzbin.info/www/bejne/opmqiXSAn52lgNk

[@BeefIngot]

Small note: they aren't really very popular at all in pcs. Heat pipe based air coolers are most popular and even water cooling is far more popular. Cool tech though.

[@Mr_Yod]

Yup: they were, for a brief time, in the 90s. When PC parts didn't heat that much like they do nowadays.

[@zaunere]

Is it true that the Seebeck effect doesn't actually create current from heat, but rather from the gradient of heat moving to cold?

[@danwilkinson2797]

I am trying to bring the temperature of a 10 inch squared box surrounded by a 5 inches of styrofoam down to 20- with a single pelter thru a small hole cut out of the back of this box. What wattage pelter do I need and can it be air cooled or would water work better? thanks

[@paulramasco6769]

This was pretty cool. I have a project I want to put outside for long term and living in Arizona, US this could be useful. However what is the current draw on the device?

[@TheEmeraldNight]

Pelting in the ceiling with cold side inside house and hot side on roofing iron to produce electricity?

[@ElectronicIngDiaz0786]

Excellent video.

[@Dronebotworkshop]

Thank you!

[@vardhan_jonnalagadda]

Hi, thanks for the video. Can you please tell me what was the temperature value, at which 1.5V was obtained?

[@pongkystein8841]

What if we put voltage less than standard peltier voltage? Will peltier give cool side but not in below zero degree?

[@seemarao5585]

Great demo. Can you please shre the ebay link (for that device)?