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OCN Dave's Air Cooling Guide - Page 210

post #2091 of 2323
Quote:
Originally Posted by epic1337 View Post

"high air speed" does relate to "high volume".
75000sqmm = 0.807sqf
1130400sqmm = 12.168sqf

say both has 40cfm
40cfm/0.807 sqf = 50ft/sec
40cfm/12.168 sqf = 3ft/sec
this alone says for a fact that you can get the same CFM with sufficient air speed.

you're getting ridiculous, weren't we on the topic of standard 120mm fan? why say ceiling fans all of a sudden.
i'm beginning to believe you're just trying to shove your enthusiasm onto me, i don't doubt you know what you say but this is just your pride isn't it?
This whole thing is ridiculous. It started with settng up a case with good airflow, then you started putting values of what is equivalent to 120mm fan airflow .. with little or no knowledge of how or what CFM and air speed is. .. and that you can feel airflow with your hand and know how much air is flowing. Total garbage that has continued to go down to even lower levels of rationalization.
You keep twisting and squirming trying to CYA for your lack of knowledge or maybe just lack of ability to acknowledge the truth.

I won't post any more about this. Bye!
Edited by doyll - 3/9/15 at 7:15am
post #2092 of 2323
@doyll You may have vast knowledge about airflow/fans, but this is no reason to be insulting or demeaning towards other people in this thread, you have acted this way toward me also and I let it go. But after seeing you do it again to someone else, I have had enough. If you would like to preserve your reputation around here, then I would suggest not posting when you start to feel frustrated. You should also realize that you are not the only person in this thread who is capable of good ideas and or common sense. We are not here looking for a genius to explain common sense to us. We are here to seek advice and share ideas. This thread should not be a place to have a pissing contest over who knows the most.
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post #2093 of 2323
Quote:
Originally Posted by pshootr View Post

@doyll You may have vast knowledge about airflow/fans, but this is no reason to be insulting or demeaning towards other people in this thread, you have acted this way toward me also and I let it go. But after seeing you do it again to someone else, I have had enough. If you would like to preserve your reputation around here, then I would suggest not posting when you start to feel frustrated. You should also realize that you are not the only person in this thread who is capable of good ideas and or common sense. We are not here looking for a genius to explain common sense to us. We are here to seek advice and share ideas. This thread should not be a place to have a pissing contest over who knows the most.
I do not jump on people who use a little common sense and acknowledge to understand simple things. But when someone does not use this common sense or won't admit a mistake when they are wrong, but instead keep defending themselves with other thing, I tell it like it is.. These last posts were a direct result of someone babbling on without thinking..
post #2094 of 2323
Quote:
Originally Posted by doyll View Post

Quote:
Originally Posted by pshootr View Post

@doyll You may have vast knowledge about airflow/fans, but this is no reason to be insulting or demeaning towards other people in this thread, you have acted this way toward me also and I let it go. But after seeing you do it again to someone else, I have had enough. If you would like to preserve your reputation around here, then I would suggest not posting when you start to feel frustrated. You should also realize that you are not the only person in this thread who is capable of good ideas and or common sense. We are not here looking for a genius to explain common sense to us. We are here to seek advice and share ideas. This thread should not be a place to have a pissing contest over who knows the most.
I do not jump on people who use a little common sense and acknowledge to understand simple things. But when someone does not use this common sense or won't admit a mistake when they are wrong, but instead keep defending themselves with other thing, I tell it like it is.. These last posts were a direct result of someone babbling on without thinking..

so you're basically just shoving your enthusiasm over us, as you've stated, you don't even try to say if the fact isn't real.
point is, its a fact that you can reach the same CFM even if it has a smaller area to exhaust air from, and i'm saying GPUs CAN at least go on-par with 120mm.

you just keep saying "no never" with no actual proof to back it up yourself, we're just throwing opinions at each other.
now i seriously believe you don't even care if we make sense or not.
Edited by epic1337 - 3/8/15 at 3:54pm
post #2095 of 2323
Quote:
Originally Posted by epic1337 View Post

so you're basically just shoving your enthusiasm over us, as you've stated, you don't even try to say if the fact isn't real.
point is, its a fact that you can reach the same CFM even if it has a smaller area to exhaust air from, and i'm saying GPUs CAN at least go on-par with 120mm.

you just keep saying "no never" with no actual proof to back it up yourself, we're just throwing opinions at each other.
now i seriously believe you don't even care if we make sense or not.

Like I said:
Quote:
Originally Posted by doyll View Post

This whole thing is ridiculous. It started with settng up a case with good airflow, then you started putting values of what is equivalent to 120mm fan airflow .. with little or no knowledge of how or what CFM and air speed is. .. and that you can feel airflow with your hand and know how much air is flowing. Total garbage that has continued to go down to even lower levels of rationalization.
You keep twisting and squirming trying to CYA for your lack of knowledge or maybe just lack of ability to acknowledge the truth.

I won't post any more about this. Bye!
And I'll say it again.
You can't tell how much air is flowing with your hand. tongue.gif
post #2096 of 2323
You cant tell the numbers but it does give you a rough idea of wether the fans doing its job or not..not every1 has the tools to measure precise numbers...
post #2097 of 2323
Quote:
Originally Posted by X-PREDATOR View Post

You cant tell the numbers but it does give you a rough idea of wether the fans doing its job or not..not every1 has the tools to measure precise numbers...

 

Like if ping pong balls will stay afloat and ride the exhausted air...:p:D

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post #2098 of 2323
Quote:
Originally Posted by Red1776 View Post

Like if ping pong balls will stay afloat and ride the exhausted air...tongue.gifbiggrin.gif
didn't know my balls could help smile.gif seriously though I never thought of that...I have used simple things like ribbon and such to see if air is flowing in proper directions...but I'm primitive smile.gif
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post #2099 of 2323
Mentioned it before. Super light weight plastic bags like dry cleaners use secured to fan or exhaust vent and time how long it takes to fill up. ;D Work quite well. Doesn't give CFM, but we can see the difference in time it takes to fill. Faster it fills the more CFM there is. thumb.gif
post #2100 of 2323
Quote:
Originally Posted by doyll View Post


You can't tell how much air is flowing with your hand. tongue.gif
Thats why i use the highly sophisticated and extremely accurate fan on face method biggrin.gif
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