Function of the air conditioner fan outside?

AI Thread Summary
The fan in the outdoor unit of a split air conditioner plays a crucial role in the cooling process by expelling heat removed from inside the house. It blows air over the coils, facilitating the condensation of refrigerant after compression. This process enhances the efficiency of heat removal, allowing the external unit to be smaller, similar to how a CPU heatsink benefits from a fan. By increasing airflow, the fan ensures that more heat is dissipated than what the refrigerant absorbs indoors. Understanding this function clarifies the importance of the outdoor fan in maintaining effective air conditioning performance.
Iconoclast
Messages
7
Reaction score
0
Really quick question, what exactly does the fan of the outside part of my split ac do? That fan seems to just make wind for no clear reason. I'm curious to know what it actually does.
 
Engineering news on Phys.org
+1. It means the external unit can be smaller than otherwise would be. Just as the heatsink on a CPU can be smaller if it has a fan.
 
The outside fan blows air over the coils and causes the refrigerant to condense after it has been compressed in the compressor. Thus, the outside air removes a greater amount of heat than was picked up by the refrigerant when it evaporated in the evaporator (inside your house).
 

Thread 'Query on Isentropic relationships (such as PV^gamma = constant)'

Hi all, I have a question. So from the derivation of the Isentropic process relationship PV^gamma = constant, there is a step dW = PdV, which can only be said for quasi-equilibrium (or reversible) processes. As such I believe PV^gamma = constant (and the family of equations) should not be applicable to just adiabatic processes? Ie, it should be applicable only for adiabatic + reversible = isentropic processes? However, I've seen couple of online notes/books, and...
View full post »

Thread 'Dry sump pump issue'

I have an engine that uses a dry sump oiling system. The oil collection pan has three AN fittings to use for scavenging. Two of the fittings are approximately on the same level, the third is about 1/2 to 3/4 inch higher than the other two. The system ran for years with no problem using a three stage pump (one pressure and two scavenge stages). The two scavenge stages were connected at times to any two of the three AN fittings on the tank. Recently I tried an upgrade to a four stage pump...
View full post »

Similar threads

Would 2x 5.5" Fans attached to Wye Duct pull efficiently?
Replies
2
Views
2K
How can it damage an air-conditioner to run it when it is cold outside?
Replies
44
Views
4K
Comparetto type Air Cleaner/Filter: What causes its increased airflow?
Replies
5
Views
3K
Convection powered bladeless fan style ventilation?
Replies
24
Views
6K
Should I close the door when running AC in fan mode
Replies
6
Views
8K
Buying a perfect air conditioner for my room
Replies
5
Views
10K
Can a window-mounted air conditioner suck in air or particulates from outside?
Replies
19
Views
6K
Omnidirectional air conditioner allowed by physics?
Replies
14
Views
2K
How should I switch an air conditioner off?
Replies
12
Views
27K
The fan mode of an Air Conditioner?
Replies
9
Views
70K

Hot Threads

Recent Insights

Back
Top