A question regarding the airflow

Absolute_Vile · Jun 1, 2023

I went to a friend's house and I noticed he has a fan working and pointed to the air intake of the ps5 now I asked him why he told me is to keep a good flow of air into the ps5 and said he did the same for his PS4, now I never had any problem with my ps5 getting so hot it shuts down, My question is, Does this method work on keeping the ps5 less hot?

fisterfilly · Jun 1, 2023

I don´t see how that´s supposed to help with temps. it just creates more turbulence. airflow and pressure inside the console don´t change just because you aim an extra fan at the intake.
the ps4 has always been as loud as a fighter jet, nothing you could do about it. ps5 has a way better cooler design but with both consoles you don´t need any extra gadgets to keep them cool.

Absolute_Vile · Jun 2, 2023

I have done some testing, with 3 diferent games that make the ps5 get more heat than others (astro´s playground, FF7R, RDR2) i played for an hour and a half with each game and checked the temperature by hand as i dont have how to check it more profesionally in the internals, with all 3 games the ps5 gets really hot after 1.5 hours of gameplay, then i did the same with a fan pointing at the intake and the ps5 is much much cooler than previously tested, It seems that it works BUT!!!!!!!!! I dont recomend this until someone with actual technical knowledge of the thing can say for sure if its worse on the long run

Latiodile · Jun 2, 2023

the classic "point a fan at it to make it cool better" technique, people in the PC space have been using that for decades, this isn't new lol

Absolute_Vile · Jun 2, 2023

Latiodile said:
the classic "point a fan at it to make it cool better" technique, people in the PC space have been using that for decades, this isn't new lol

I see, i apologise friend i am in fact not very savi in these kind of stuff, i had no idea it was an old thing that actually works

jkyoho · Jun 2, 2023

Having cooling fan at the back vent area offering negative pressure(pulling out more hot air from cooling fins inside) is more ideal for better cooling.

Absolute_Vile · Jun 3, 2023

jkyoho said:
Having cooling fan at the back vent area offering negative pressure(pulling out more hot air from cooling fins inside) is more ideal for better cooling.

That was my idea at the begining but i saw some videos in youtube and they say those doesnt really work, one of em generated even more heat than without it.

jkyoho · Jun 3, 2023

Absolute_Vile said:
That was my idea at the begining but i saw some videos in youtube and they say those doesnt really work, one of em generated even more heat than without it.

Are you talking about those HighEnD product blowing air into the vent hole?

FYI, I saw the ultimate airflow solution A DIYer build a Acrylic case with intake fan and exhaust fans from China

Absolute_Vile · Jun 3, 2023

jkyoho said:
Are you talking about those HighEnD product blowing air into the vent hole?

No no, i watched a very technical video of a youtuber named GAMING NEXUS of a video about fans that you put in the back, he tried several products that were fans related and stated that none of em works and one of em makes the ps5 hoter

jkyoho · Jun 3, 2023

Absolute_Vile said:
No no, i watched a very technical video of a youtuber named GAMING NEXUS of a video about fans that you put in the back, he tried several products that were fans related and stated that none of em works and one of em makes the ps5 hoter

I subscribed Steve's channel And I remember he did test on those back fan, and one of those junk did blow air into the system making it "COOL" :rofl2:

Absolute_Vile · Jun 3, 2023

jkyoho said:
I subscribed Steve's channel And I remember he did test on those back fan, and one of those junk did blow air into the system making it "COOL"

I do trust what the majority of youtubers with knowledge say and along with nexus chanel the majority believe that "the ones that you can buy at this times" dont work as intended, ALSO remember that i stated that when it comes to this subjects of technical stuff im really not well informed at all, thats why i ask, i didnt knew if my friend was weird or if it worked so i posted here for more educated people to tell me...and so it works to some extend it seems

jkyoho · Jun 3, 2023

Absolute_Vile said:
I do trust what the majority of youtubers with knowledge say and along with nexus chanel the majority believe that "the ones that you can buy at this times" dont work as intended, ALSO remember that i stated that when it comes to this subjects of technical stuff im really not well informed at all, thats why i ask, i didnt knew if my friend was weird or if it worked so i posted here for more educated people to tell me...and so it works to some extend it seems

Indeed this ideal works, but forget about those tiny fan blade product hanging on the back. They are small and no benefit to the airflow. Go for the PC build style 120mm/140mm quiet fan with adjustable speed control for the best performance.

Absolute_Vile · Jun 3, 2023

jkyoho said:
Indeed this ideal works, but forget about those tiny fan blade product hanging on the back. They are small and no benefit to the airflow. Go for the PC build style 120mm/140mm quiet fan with adjustable speed control for the best performance.

weirdly it never crossed my mind to get one, im been gaming for a long time and i can recognise scamy products, can i ask for a link to were i can get more info on that DIY?

jkyoho · Jun 3, 2023

https://m.tb.cn/h.UxRsXqY?tk=gquNdK1T4yi

in Chinese though not sure if web translate works or not

Absolute_Vile · Jun 3, 2023

jkyoho said:
https://m.tb.cn/h.UxRsXqY?tk=gquNdK1T4yi

in Chinese though not sure if web translate works or not

I think i had a stroke trying to understand that webpage designs, time to undust those skills i learned from playing japanese and chinese only games

jkyoho · Jun 3, 2023

TRY this one, previous one is from mobile phone app.
HERE

FAST6191 · Jun 3, 2023

Ah memories of doing similar for my N64 and overheating third party expansion pack(in some cases also sticking a bag of ice on the thing) .

Basic physics will tell you the amount of/rate of heat transfer is proportional to the difference in temperatures between the things in question. Related to this moving air can also change things (there is a reason temperatures on recipes will be different for fan assisted ovens), though how much a little house fan pointed vaguely at a closed console will do on that front is a different matter.

This is more likely to be in the domain of the former. As the fans in most consoles are small (you only have the height of the console to stick the blades in) and tuned to reduce noise rather than sounding like a plane taking off (see early xbox 360s), with the console makers mostly caring to keep failures just outside warranties (5 years or so in most of Europe) and also avoid another Red Ring of Death rather than having it work for decades then air flow will be reduced. Big house fan is way larger, people expect a sound from them (which is also less owing to being larger and thus spun slower) and so will direct a stream of presumably cooler room air into the console's path which will take that in rather than potentially recycling the air is just exhausted at a higher temperature thus reducing efficiency.

Where it might make life harder is if people kick it like it is the 1980s and keep things in tight boxes under the TV (we will assume no glass front for this). If your fan instead blows into that and maybe serves to keep the hot air in there cycling round rather than what little transfer does happen then fun ensues.

As far as external fans then the main trouble is when people install them incorrectly. For instance wrong location or wrong way around and turn for want of a better term a suck fan into a push fan, or indeed do that for both parts and stop as much air from getting in and getting out. Other times if the fans are too slow/don't direct enough air through and serve to reduce what was already getting through. How well given replacements do I don't know as I have not tested them or seen them tested for the PS5.

Absolute_Vile · Jun 3, 2023

FAST6191 said:
Ah memories of doing similar for my N64 and overheating third party expansion pack(in some cases also sticking a bag of ice on the thing) .

Basic physics will tell you the amount of/rate of heat transfer is proportional to the difference in temperatures between the things in question. Related to this moving air can also change things (there is a reason temperatures on recipes will be different for fan assisted ovens), though how much a little house fan pointed vaguely at a closed console will do on that front is a different matter.

This is more likely to be in the domain of the former. As the fans in most consoles are small (you only have the height of the console to stick the blades in) and tuned to reduce noise rather than sounding like a plane taking off (see early xbox 360s), with the console makers mostly caring to keep failures just outside warranties (5 years or so in most of Europe) and also avoid another Red Ring of Death rather than having it work for decades then air flow will be reduced. Big house fan is way larger, people expect a sound from them (which is also less owing to being larger and thus spun slower) and so will direct a stream of presumably cooler room air into the console's path which will take that in rather than potentially recycling the air is just exhausted at a higher temperature thus reducing efficiency.

Where it might make life harder is if people kick it like it is the 1980s and keep things in tight boxes under the TV (we will assume no glass front for this). If your fan instead blows into that and maybe serves to keep the hot air in there cycling round rather than what little transfer does happen then fun ensues.

As far as external fans then the main trouble is when people install them incorrectly. For instance wrong location or wrong way around and turn for want of a better term a suck fan into a push fan, or indeed do that for both parts and stop as much air from getting in and getting out. Other times if the fans are too slow/don't direct enough air through and serve to reduce what was already getting through. How well given replacements do I don't know as I have not tested them or seen them tested for the PS5.

well, overflow does sounds like an issue even toh it never crossed my mind, i have a small fan the size of a N64 aproximately you know the ones you put on a desk usually, it does push a generous amount of air, i have it in front of the ps5 (not literaly next to it in close proximity) its in a small book stand that gives it the exact direction and altitude at the intake, BUT i gota be honest in 2 things, 1 i cant measure the inners of the ps5 so i use simple touch and the plates are in fact so much cooler as the ps5 would normally have them after 1 hour of playinf FF7R. And 2 is that maybe what is not getting cool are just the plastic components of the ps5 and the actual heat sink and the liquid metal are the same temperature and usual, What im trying to say is that without proper technical testing this methos is a schrodingers cat, the ps5 is both hot and cool until someone test it properly

FAST6191 · Jun 3, 2023

If you have a thermal probe for a multimeter or kitchen oven (neither being particularly common for normal people to have) then you could sit it in the exhaust port. Simple temperature probes are a bit more common (mechanics tend to have them to see trouble things in the engine, some will even have nice plug in cameras to phones these days or straight up thermal cameras).

Said basic physics lecture would have also noted the three methods of heat transfer (conduction aka solid to solid, convention aka fluid/gas/liquid and radiation) with the case temperature being most likely a conduction affair (or conduction with a small air gap to get to the plastic). It cooling the case and not much else is a possibility, or at least cooling the case but the percentage of overall heat lost via that/improved via the fan being minimal. Though I will note conduction is the most efficient form (assuming it is geared for it, which most electronics are) so who knows.

A question regarding the airflow

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