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In this video we take a look at how to design and analyse a HVAC refrigeration. The same method can be applied to a refrigeration, AC or chiller system. We take a look at the properties of refrigerant around the ideal vapour compression cycle. We look at the entropy, enthalpy, pressure and temperature. P1 P2 P3 P4 T1 T2 T3 T4 H1 H2 H3 H4 S1 S2 S3 S4.
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Where did you get that 50.9 temp..? Pls explaine
Hello, I want to make 3kw and 3.5 kw evaporators and condensers, but I can't find the formulas. Can you help me please.
Love this channel and love Paul. Watched several videos on this channel on various topics and learned so much. Starting this series, however, I can't help but notice the way he pronounces the letter "h". It sounds like he's saying "Heych-VAC". So weird, haha.
Do you have any videos on capillary tube systems
Please make se video on R290 as propane. As it has no superheated vapour chart.so how to solve it.please help.
If i know how much cooling capacity i need. How do i start this calculation process? Thanks
hi fried very good explanation. can you calculate comperessor electrical power?
Can someone help me out with entropy ? What is it and what does it mean when it’s increasing and decreasing in the refrigerant cycle.
Thanks
i have one dryer air..
works 3 to 40 c temp
i change filter and capillary tube but i haft to resize it…
so now i have
-7.5c entry to evaporator and exit 2.5c
after to the accumulator i have – 3.5 and entry to compressor 9c is that normal…. how much must be the Δτ to the evaporator? and with the temp room so the dryer ro works good??
thanks
You say 7 kg/S but you put 3kg/S which is correct? Pls reply
If we have a cooling load then how do we start the design of the Refrigerator? Also, how to fix the evaporator pressure if we are designing a system to cool at around -70 to -80 degrees celcius?
Thank You!!
How to know the amount of mass m
sir is the 3kg/s the mass flow rate at condenser or the mas flow rate at evapotator
great video thank you very much.
but please sir ,how did you calculate the mass flow rate.