Absorption Chiller, How it works - working principle hvac

[@EngineeringMindset]

⚠️ *Found this video super useful?* Buy Paul a coffee to say thanks: ☕ PayPal: www.paypal.me/TheEngineerinMindset

[@keithcooper2012]

Just found your channel! Awesome videos! Could you do one on Silica Gel Adsorption Chillers? Does the Silica Gel attack the water vapor like the lithium bromide?

[@ariefsyahrizal3645]

Hello, sir. Do you have a 3d model so that I can understand how actually this concept constructed in real life pls ? Or do you have any suggestion a site for the reference.

[@maxie4937]

Great video! I wish the temperature for each line is placed there, so we can picture the heat exchange clearer. Thank you.

[@brlinf06398]

Me too

[@carloslemos6919]

The explanation is wrong: Hot water/Steam is dumping heat into the system. Chilled Water is also dumping heat into the system.

[@MuzzaNZ]

congratulations on being the first vid on absorption chillers that I could actually understand. Well done TEM!

[@ptoktedia9011]

This is by far the ONLY one i can understand. Thank you so much for explaining the basics. I've stuck in how water refrigerant (of the chiller) creates the cooling effect. The only missing part was vacuum and water boiling point's correlation, you explained that and saved my day almost instantly.

[@kierrantrpr]

hey, the chilled water flow direction icon seems reversed.. and I think it will be easier to understand if you put Operating Pressure and Temperature (or T & P for each flow) so we know whether the heat transfers are feasible.. Thank you anyway for making such a great educational video..

[@YellowPinkie]

I also think a typical kWh energy transfer or %age energy transfer would be useful; the energy in the waste heat, how much ends up being rejected in the cooling tower, how much gets returned as chilled water. Great video to help a sparky understand the 'magic' of an absorption chiller.

[@lostinthewoods3918]

Nah

[@brlinf06398]

No, the color is reversed

[@hmandeelful]

That was the best explanation for an absorption chiller that I have ever come across, awesome job and thank you ..

[@malloott]

Absorbtion chillers are pretty amazing machines frankly, such a genius way to do it.

[@rockanrollrudy1803]

Thank you this is a great way to learn and your videos have helped me and my coworkers a lot. Thanks again

[@byronjones3579]

Mate your amazing I am going to get my staff to watch your videos.

[@badcompany-w6s]

Great video on how this system works. I never understood it until now.

[@HuntersHavenWithChad]

The energy plant I work in has 2 absorption chillers and the water supply is off our main condensate return line. Pretty cool how it all works and ties together. Thank you for the videos!

[@spludgey]

Awesome, thanks mate! I couldn't get my head around it from just looking at the diagram.

[@Magicus1]

Wow! That was a ton! I’m kind of upset I never learned this in my HVAC elective. Thanks for your help! This really helped shed some light on this topic. You’ve gained a subscriber!

[@Apkaa]

1tr (ton) app 12000btu british thermal unit

[@dylanwalker5450]

Thanks for the excellent video! This particular one could definitely have benefited from the narrator pointing at what he was talking about with a cursor or something, especially towards the end when he's putting it all together, it got hard to follow. But still it's way better than the black and white pictures in my text books!

[@RoBD7]

Amazing work! The explanation is so detailed and simplified!

[@mostafafallahnejad977]

Thank you for this video. I'd suggest to add inlet and outlet temperatures of all loops to the graphic that is shown in the video.

[@yem.t.3930]

Far far better than my professors, thanks alot men

[@TheBozodclown]

I liked this video a lot, it helped explain things in an accessible way. Just curious if you can clarify two questions I have: The chilled water line comes in at about 12°c that's already quite cold. How does it get down to 12 if the area being cooled is hot, say 35°? 2. How does the cooling tower work? Is it just a pipe that the warm water runs through to reach ambient temperature? Doesn't that contribute to heating the area?

[@VinOng-er6ks]

The secret lies with partial pressure. As the Li-Br absorbs H2O molecules, it decreases the partial pressure of water inside the evaporator which causes the partial vacuum and hence the cooling effect. This is almost similar to the expansion valves of a vapor-compression systems.

[@roccovanderwesthuizen3518]

Your video has been very useful! Thank you

[@ciaocarbon]

Great explanation, a real human voice and no distracting muzak in the background. There is no compressor, but compared to a classic vapor-compression A/C, how much energy does the pumps and control system use? This assuming the heat source is "free", just the system itself. Thank you.

[@francescogelio4451]

It depends on the machine, bin my experience if the electric consumption of compressor chiller is like 30% of the entire cooling energy production with and assorber this electric energy is like 1%/2%. However with the assorber you spend more water and so more energy in the cooling tower, but in the end less than a compression chiller do.

[@NewDestinationEng]

so easy yet so complex! great explanation

[@MahlmeisterTV]

It would become more useful if you added temperatures and pressures. I see someone else already asked you to change the flow direction of the chilled water...but since it isn't clear to me if purple is cooler than blue, it's hard to tell if the flow direction is wrong, or the arrow is wrong.

[@mohammedtaseensyed1034]

You just nailed it man....awesome work...mind blowing video.

[@shehzadakbar12]

Awesome and simple presentation. Welldone.

[@sanjaybopshetty7406]

Nicely explained . Very easy to understand

[@Sujit160769]

good explanation.. for the basics to clear

[@crawling309]

you guys are awesome. Awesome means awesome. . I want more video about this absorption chiller.

[@brlinf06398]

Me too

[@guillaumebib3317]

Please could you explain me the exact function of the Lithium Bromide ? is it not possible to only use the energy absorbed by the evaporation of water at very low pressure to chill the cold water tubes ?

[@TechnicallySound1]

not a magnetic attraction to lithium bromide but when water vapor produced in the evaporator area so there is more pressure than the absorber by pressure difference water vapor traveled to absorber hence lithium bromide absorb the water vapor.. BTW nice teaching thanks

[@tintunbirha]

O.K I got the basics. Now to look at other videos that give details of calculation of flow rates in chillers. I have 2880 cft room that needs cooling this summer. I already have solar water heaters installed ( 300 lit per day to 70 deg C). lets see if I can get it done.

[@davidjames1827]

Really best Explanation! Will be better if you could add concentration of Libr at various points . Thanks

[@Deivasigamanierode]

Good Video Illustrates completely about absorption refrigeration

[@hsuan-jenhankwang2448]

Exceptional explanation thanks you very much

[@DrN007]

Once you spray water into the vacuum, it no longer is a vacuum unless you pump the molecules out. This seems just like a compressor in a traditional AC but with extra steps and added confusion. Inputting hot water makes only sense to the extent to operate such a pump in the same way generators operate in power plants.

[@sherwinfrancis1810]

The best explanation ever !!!. Thanks to ur animation, easy to understand the process flow

[@minasidky3267]

Great video and explanation thanks alot .

[@timg531]

Great video! But I suggest you change the third pic of water boiling at vacuum from an open beaker in the lab set up to some kind of closed vessel. Just to emphasize the vacuum in this case..

[@simond575]

@EngineeringMindset Got one question. Looking at the pump for the chilled water where the extraction of the chilled waters is made its look like the direction of the arrow on the pump is pointing towards the flow of the chilled water, is it something i'm missing?

[@richardkwamenkrumah313]

Very educative and simple. Thanks!

[@ofonwilliam]

Amazing content i now fully understand

[@Earth098]

Thank you so much for all these videos!!

[@sadeghsalarizadeh7966]

this mov one of the best movies about absorbtion chiller I have ever seen. Dear , can you record and teach a mov about multi effect absorbtion chiller and cristalization effect in chiller? with best regards

[@gegomez]

Beautiful work! ✊🏾✊🏾✊🏾

[@mohammedkhaleel2243]

Thank you very much for this informative video 🌹

[@felipemenezes3373]

Thanks for the video. Very Nice!

[@balkishantrivedi1539]

how absorption chiller works is too good to understand the Pricipal, right room grass root level, in smile way.

[@abhijeetp987]

Thanks..It was super helpful

[@ameralanati2066]

Great video. Well done !

[@joechavez2643]

After watching "the musquito coast" I was curious how this worked. Pretty fascinating!

[@ApacheCooper101]

hi thanks for youre vidieo. i noticed a mistake on the drawing the pump direction is going opersit to the flow indicators. can you do 1 colour pipes and take off the white scrolling boxs. its mind numbing hypnotic. pump direction or 1 arrow for each pipework is easy to understand. make it accessable as possible. take the back ground logo and just keep the one at the bottom

[@zigji7747]

thank you !

[@nikolailigai9802]

Could you please clarify something to me? So if pressure in Absorber very low (almost vacuum), what prevents strong solution in the generator to be drawn into absorber?

[@mohammadqaderqader2425]

Thank you for the nicest video I have ever seen, please correct the direction of arrow for chilled water pump. Chilled water flow direction and pump symbol flow direction is opposed of each other.

[@EngineeringMindset]

Yes it is an error, unfortunately it can't be changed now it is already published

[@vpvignesh7810]

Where do we have to maintain the vaccum evaporator or condenser of both ?

[@berges104]

Rough numbers would certainly help conceptualize. Exact numbers would vary but Temperature trends should be consistent. ~ 100 in leaves at 75 out ect ect But looks pretty straight forward

[@ferencbaksay7312]

really appreciate this

[@senthilkumarns4077]

Thank you so much for clear explanation. I think you have missed to talk about the heat exchanger on the left bottom

[@rahuljadhav3525]

Very nice Video , thank you very much.

[@faizmahboob8461]

Very useful video totally understand ❤

[@EngineeringMindset]

Glad it was helpful!

[@maysam6806]

very very nice video and explain. i imagined that vacuum pumps create vacuum in absorption chiller but yo said that attraction between LTr and water steam make this vacuum

[@markm.2194]

top explanation

[@termiterasin]

Are there any small scale solutions? On par with a window AC unit

[@premnoorie4456]

thank you very much

[@75raid75]

Thank you so much that helps me.

[@gobinathkalidasan6703]

Thanks a lot Mr.

[@LazyNinjass]

Most complicated thing ever lol. I’m glad I work with normal water cooled chillers

[@imtiazhussain5027]

Even this is 4 years old video, I found it very informative. I want to make a small homemade Low pressure ammonia absorption chiller. I need some more information to design one. May I ask you few questions?

[@AdetunjiAdestar-b6f]

OK go on

[@peterthomson127]

So the heat from the thermal input plus the heat extracted from the chilled water output all ends up being dissipated in the cooling tower?

[@seshadrikumarn2895]

AN EXCELLENT AND LUCID VIDEO. FELICITATIONS!

[@themechanic4222]

Watched few times and still don’t get it 😂😂😂

[@adnannoor7508]

Understood a single watch Alhamdulillah ,

[@senarathkoon]

good article

[@wfpnknw32]

so this is basically just a way to get rid of heat through the cooling tower. That's the only heat output path from the system?

[@bankaienator]

Thanks!

[@EngineeringMindset]

Thank you, John

[@randolphtorres4172]

THANKSGIVING

[@Karma0777]

Can I use it to cool a warehouse instead of ac ?

[@hyerimkim6162]

Thank you very much!

[@siggyincr7447]

I've been toying with the idea of a solar powered air conditioning unit and came across the ammonia/water based systems and the thought of working with concentrated ammonia is kind of scary. This seems to be a far safer chemistry to do this with. Overall this was a great intro to the way it works. Though there are a couple questions that spring to mind. How is the vacuum pulled? Is a separate vacuum pump used? Does the pump feeding the generator manage to do so? Or, as someone in the comments below stated, the cooled concentrated lithium bromide solution is so hygrophilic that is will create the low pressure by pulling water vapor into the solution. Which, if true, would simplify things immensely. Also, I'm assuming the water collection tray in the evaporator will need some sort of purge mechanism to occasionally dump the contents as otherwise over time it would inevitably start to accumulate the salt.

[@EngineeringMindset]

Seen our new video on HOW SOLAR PANELS WORK in detail kzbin.info/www/bejne/j6nXaGWXec95nbs

[@rahulkambale2627]

Thank you.

[@pram3384]

Do a video on co generation

[@338kishore]

please mention the temperature of different fluids at different locations to understand the cycle very clearly

[@asaadali5219]

Thanks

[@yacinedali2756]

thank you man

[@elile1120]

is it possible to use air to replace cooling tower for heat rejection?

[@muhammadshahzaib7882]

Nice and helpful vedio

[@sabbirhossain7489]

What would be mixer temperature leaving absorber to Heat exchanger & LiBr temperature from Generator?

[@karupaiyapaiya3335]

Good morning sir

[@yong1103]

amazing video!

[@AryanBhole563]

If the water is responsible for producing the refrigeration effect, then what is the use of lithium bromide? Please Explain!!

[@mukhtarabeid7108]

Water is not a refrigerant with the ammonia! The ammonia is the refrigerant. The opposite is in lithium bromide- water cycle

[@asaadali5219]

Thank you

[@krutikzim]

Sir, what if I assume there is no heat passing through the either condenser or evaporator. instead we only allow the water passing through it. Then what can happen. Will there be any possible cooling

[@ariefsyahrizal3645]

Thank u sir for the best explanation. Does this type of chiller only come with rectangular-shaped heat exchanger for the evaporator-absorber as well as the condenser-generator ? What are the considerations of why are so many Absorption chillers use rectangular-shaped vessels ?

[@Xev729]

So I was tracking the process backwards from the flashing of liquid water to a water vapour mixture in low pressure that takes heat from the chilled water and I thought why not just create steam in a furnace, flash it and forget all this chemical messy stuff....then I realised that all that steam would be wasted so an absorption thingy like lithium bromide seems useful

[@benjaminkaufman3887]

At what point in the absorption chiller is it used to cool a building? Is the chilled water pipe whats used for cooling a building? I understand how the system works in a closed loop, but am trying to understand how its implemented in a cooling system

[@francesitanggang9094]

why is that in evaporator dropping temperature happen instead of hammering or increasing temperature (boiled) if the issue is sudden change pressure?

[@j0j0pat00]

great video Paul! Thanks for making it up.

[@kabu7073]

Great video, thank you. Subscribed.

[@emilskrzypczak9756]

How about aDsorption chillers?

[@anwarmohammad6294]

Is there any aplication for solar air cooling using CaCl2 with water? Its cheap and safe