An hour's worth of a lecture covered in 10 mins. Cool.

I liked it short and concise, I can pause and learn. Please keep it this way! Great style!

I'm studying for the HVAC P.E. and this one video helped me remember almost everything from thermodynamics and start making some headway on practice tests. Great video!

It is incredible to fit this subject into 7 minutes, thanks a lot!

Thanks, I am going to start up an HVAC company, I just forgot about How to Read a Psychrometric Chart, but this video really helped me. Almost 4 years after Engineering

Thank you for sharing the information to us. I do not have any background knowledge before, so there is a lot of things going on when I saw the chart at the first time. After I watch the video and research the chart for our group paper, it makes a lot of sense for me. Though I am still not familiar with this kind of chart, but at least I know what it is about and how can I use it in real life. By learning the psychometric chart, I think students in HVAC can access to this new tool to solve more difficult calculations and find solutions to problems. So in general, this is a very useful and helpful chart and this video illustrate how the chart works.

Believe it or not, I totally understood the chart in this 7 muinets and was much better than an hour and half in class room, thanks a lot and please keep the way you are of explaining and describing👍

WOW, I must admit im still college and start first hvac job tomorrow, this video is really helping me. I couldnt get my head around these charts at all until this video, THANK YOU.

Ha! You're amazing teaching this subject. Not that is too complicated but it sometimes I get a bit confused and your video turned out to be very handy. It's helping study to my exam. Thank you alot!

Where my fellow engineers at?

Thank you for making it SO MUCH easier 🌼

This really helps. Thanks a lot for your support

Thank you very much! My teacher hasn't explained that the dew point temperature is read horizontally and I could't understand its difference from the dry bulb temperature on this chart.

Very helpful explanation of how to use a psychrometric chart!!

Very precised...thanks a lot.My Professor just provided us the slide and a short lecture on it that was tough for me to capture then.Keep this up

This was wonderful. Thank you!

Extremely useful video! Thank you.

Thanks for sharing! Gotta try it with my exercise...

Thank you ! Helped out a lot.

Thank you, you totally saved my day!

Great summary! Thank you!!!

Amazingly helpful video!

outstanding lady... thanks for your help

subscribed! you are a great assistant to the books!

Thanks a lot! It turned out to be very useful; I study architecture and I was having a hard time with this chart...

Thank you very much for creating this video.

This is great. Thank you for the video

Great video, For the first time I understood enthalpy is the heat or energy with two components, due to sensible part we see drop in DBT & the other is latent used for evaporation & the potential drop in temperature determines how soon or later we will see water condensation, if the drop on DBT to WBT is lower it is closer to 100% relative humidity, if this drop is higher then RH is away from maximum possible 100%. & the DP also goes even lower accordingly, as evident, the gradient of DP is zero or much lower than WBT, & the reduction in depression & DP is also similar. When we hear weather, the weather person mentions RH & Dew Point, rain or no rain, muggy or comfortable, how should we understand weather from DBT, RH, DP, moisture content? Can we use Psychrometric chart to understand if it will rain or not, it will be muggy or not, & how? Could clarify how to use the concepts of DP, RH, moisture content to understand weather?

Very well done. Thank you!

it's really cool! thanks a lot!

Nice, i have stay awake at 1am just to finish my report about humidity. Thanks you for explaining

Many thanks for your information . it was perfect .

Thanks and relatively cool, figuratively and absolutely!

Thanks for this video Bro!I just learned something new, Good job!!!

Thanks a lot for this great video. Came in very handy just before the exams :-)

When we hear weather, the weather person mentions RH & Dew Point, rain or no rain, muggy or comfortable, how should we understand weather from DBT, RH, DP, moisture content? Can we use Psychrometric chart to understand if it will rain or not, it will be muggy or not, & how? Could clarify how to use the concepts of DP, RH, moisture content to understand weather?

very helpful video!!

Thank you Titus hvac for learn me Psychrometric chart.

Very useful! Thank you

The knowledge you have shared with us is very interesting & you are great 👍. May I know your profession, is it Mechanical Engineering with focus in HVAC systems design or Architecture? Thanks

Thanks so much it really help me alot.

My professor couldn't explain it to me within half an hour, and here is 7 minute video and i understand everything.

You're welcome!

simply amazing

Thank you for your cool video.

oh thank you very much..tomorrow is my exam and you have solved my problem

if two intersection point is out of graph can we find other physical properties?

Thank you!

I'm a little confused. I tried your example on the chart in my book and got slightly different numbers. Is this a standard chart?

Well done. Go ahead

Thank you alot for your excellent toutrial, Please I need the graph colored in pdf form if you can?

literal queen

thank you mam for your good teaching.

You savved my life thanks from poland

Thanx v. Helpful

awesome video... now let's all use international units - IU, in all countries... :P

THANK YOU SO MUCH!!!!

Thank u so much

very nicely explained

Thanks a lot!!!!!!

Apart from my mum this lady is the best

Amazing

Thank you. Very helpful.

thnx,. that's informative ...

Great, thanks

I have a problem. Now assume in a closed room we have found the RH and dry bulb temp. Thus, the specific volume of the room can be found. The specific volume should be constant as the room has a fixed amount of dry air. Now if the room is slightly cooled down then the point marked on the psychrometric chart should be shifted to the left and therefore the specific volume would change according to the chart. How can this be?

One question. Outside temp is 32F, 80% humidity. Inside temperature is 70F and humidity stands at 40%. Let's say I open the window long enough for the air in the room to be fully replace by the outside air. Then I close the window and turn on the heating until I get 70F again. What will my humidity be? In other words, does this chart help me predict the humidity at a target temperature starting from a certain temp and humidity and adding heat without adding water in the air? Do I basically start from the intersection at 32F and 80% and draw an horizontal line until I hit the 70F vertical line and then read the humidity value on the curves?

thankyou so much

it was really useful

Good job Madame

how to calcuclate humid heat?

screenflicker1, sorry, I often forget to slow down when I talk. Thanks for the reminder.

Great !

thank you.

Why is dew point in the weather report many a time at RH less than 100% & it rains. Has it got something to do with pressures like 29.9 inch or less, or wind speed, density or cloud formations, adiabatic cooling due to lower pressures? Thanks I am trying to understand weather, rain & snow

thanks helps heaps :)

Thanks a lot

Thank you so much, could you sent to me a psychometric chart.

Thankyou!

thank you..

Awesome

Perfect.

Omg I finally get it haha!!

Simplified.... Nice...

Thanks

can you pls post the link for the psychometric chart used in the video?

very informative

thanks!

When you in med school but you gotta know how to use this coz humidity's a bitch in a hot day and can give you a heatstroke. thanks fam.

Thank you very much , this was very helpful

It was more clear and help full

These units are wild lmao

really thanks.. for tutorial... mam...

thanx you

what is the difference between dry bulb and dew point temperature? - via YtPak(.com)

what's the difference between absolute humidity and specific humidity?

Thx sir

what does absolute humidity mean actually?

How to calculate the enthalpy deviation from the curve ??

In an air washer installation, 100 m3/min of air at 5 oC DBT and 80% relative humidity has to be heated and humidified to 25 oC and 45% of relative humidity by the following processes; (a) preheating, (b) adiabatic saturation in a re-circulated air washer up to 95% relative humidity and then (c) reheat to final state. Calculate: 1. total heat added in kW 2. water mass to be provided to the washer and 3. humidifying efficiency of the air washer. You can find solutions to this question