How Chiller works - Design Data

This video guides you through the advanced operation of a chiller, making use of animations, illustrations and 3D models to help build your understanding.
This covers the basics of a centrifugal chiller in a typical office building. By the end you should be able to identify the main components and the main circuits of a chiller.
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#HVAC #refrigeration #engineering

[@EngineeringMindset]

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

[@hvacman954]

Very informative

[@matianyao8209]

Very helpful for non HVAC background engineer

[@EngineeringMindset]

Learn *ADVANCED AIR COOLED CHILLERS* here: kzbin.info/www/bejne/qGLdf6Swoqyohtk

[@qualityreno9689]

the best video on the subject on You Tube. I can't thank you enough for posting this.

[@animesh.r]

Great explanation !!

[@recepbas9842]

Very helpfull. Thanks a lot.

[@saeedhameed9148]

thanks for making these full of knowledge videos thumbs up

[@raihanahmad6758]

Excellent explanation

[@RealGigaMind]

Thanks a lot for these videos.

[@ISLAHIQALB]

Awesome quite fabulous it’s great quite

[@sekhsarfaraz7853]

wanderful sir

[@Erich200M]

very good for interview

[@jakeking8748]

Typo in Expansion 'Valve' at 1:20

[@folk6579]

How good contents

[@3xambuj]

Sir, how can the refrigerant temperature at point 1 and point 4 be the same? Refrigerant must have done some heat exchanged with water before leaving the evaporator... plz reply

[@chriswwheatley]

It has picked up energy (enthalpy increase) but the temperature will not increase until phase change is complete

[@Hardcore1Gamer]

Hey, i think your P-H Diagram is Ideal shouldn't be more in the Sub-Cooled zone abit

[@serio232004]

How many ton system are you going by on this example

[@jessecarson5640]

I am a hvacr teacher at a technical college do you have any chiller simulation presentations material that can be used in the classroom. Thanks

[@mohammedwajahatali180]

I have a question- How does Condenser Water at 27C absorb heat from Chilled Water Inlet at 12C to cool it down at 6C ? Shouldn't the Condenser water temperature be less than Chilled water temperature for heat rejection to happen ?

[@abdulahadsm7710]

Condenser water doesn't absorb heat from the chilled water. It's a complete cycle of heat exchange. You should watch previous videos. So what happen here is that refrigerant gas heats up when it passes thorough compressor to the condenser, this I where condenser water exchange heat from hot refrigerant gas. Then this gas condenses into liquid where it goes into the evaporator where it absorb heats of building to reach vapor form that saturated vapor form of gas then enters to compressor to further heat up and repeat the cycle.

[@robbarro4953]

I was wondering if you could explain why the refigerant temp doesn't increase from 4 -> 1.. Shouldn't it be rising if it's picking up heat from the return water? I see the enthalpy rising like I would expect there.. I'm guessing there's a physics explanation I'm missing. Thanks and thank you for all these videos.

[@EngineeringMindset]

The refrigerant undergoes a phase change, during this time all the energy absorbed goes into the enthalpy and entropy to break the atomic bonds, there is no temperature change as this occurs. If more heat is added after the phase change then it will increase

[@xKNIGHTRYD3Rx]

I still think temperature increase should occur between 4 > 1, for proper function of the system, the vapour that exits the evaporator is considered super heated (temperature added above boiling point of the refrigerant) to ensure all liquid refrigerant is evaporated and no liquid enters the compressor. If it remained at phase change temperature (boiling point) after exiting the evaporator there would be a mix of liquid and vapour entering the compressor. Usually the phase change is completed half way into the evaporator coil and by the time it leaves the evaporator it is slightly heated a few degrees higher as complete vapour.

[@Cabe_8623]

​@@xKNIGHTRYD3Rx this video is theory and how should it be. ALL energy absorbed from the chilled water is FIRST destined to the phase change,, only when the phse change is over, it may pick up some energy to rise the temperature of the refrigerant. For instance, if you are running low in refrigerant, the phase change may be completed in an early stage in the evaporator, and then you would have some rise in temperature in the last stage of the heat exchanger .

[@xKNIGHTRYD3Rx]

@@Cabe_8623 Understand, and I acknowledge the process of the phase change occurring first, even if we’re only talking about theory it is important to note that this phase change is completed and temp rise most likely does occur theoretically as well. Systems aren’t designed on a low refrigerant scenario only to ensure this occurs

[@ISLAHIQALB]

Which types compressor used in too much higher for ton

[@EngineeringMindset]

Check out our chiller compressor types video :)

[@prashantgongle4442]

My screw chiller R 22 gas hits the condenser just 3 to 5 degree c more than the condenser water. I am facing cooling issue. How to fix this problem?

[@thabisopaul528]

how about internship for this course

[@EngineeringMindset]

I'm afraid we're not in a position to offer an internship. We are just using our spare time to teach engineering. You should contact some local engineering companies

[@basilhamdy542]

The delta T in the evaporator is 6-5.5 = 0.5 degrees and in the condenser the delta T is 35-29= 6 degrees can you explain the difference please

[@hussainarif4430]

What refrigerant used in that video?

[@EngineeringMindset]

top left kzbin.info/www/bejne/h52uhHp6nNZ6fJIm

[@MuhammadNaveed-iy8fz]

I want to get all your channel videos in my Urdu or Hindi language Please

[@EngineeringMindset]

Its not currently possible, but you can use the auto generated subtitles on the video. Option in the bottom right of the video. Note these are google auto generated so there may be mistakes.

[@EngineeringMindset]

Hindi channel now live! kzbin.info/www/bejne/oGjHnayteMedfJI

[@239ubaidullahkhan7]

I think you were little bit tired or not enjoying while making this video 😂