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Loop order doesn't matter. Or does it? - Page 3

post #21 of 32
Thread Starter 
Indeed, so loop order does matter.
post #22 of 32
Not for me it didn't,I went GPU GPU GPU MB CPU CPU VRM with my SR 2 and reversed the flow ,made no difference at all.
as long as res before pump,that's all.
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post #23 of 32
Thread Starter 
I never said the difference will be noticeable.
post #24 of 32
Quote:
Originally Posted by Willhemmens 
I never said the difference will be noticeable.

If the difference is not noticeable, why would it matter, appearance aside?
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post #25 of 32
Quote:
Originally Posted by Willhemmens View Post

Indeed, so loop order does matter.

If you mean "loop order can have an affect on the overall temps of your coolant or components" then yes you are right, but whether or not something "matters" to someone comes down to opinion. I honestly i can't see how anyone who is properly informed upon and understands the thermodynamics of a w/c loop could care about the order of their loop asides from for aesthetic reasons.
post #26 of 32
I know flowrate plays a huge part, for the past couple of months I had my MCP-655 set on 2, my 2500k @ 4.8 would always max out at 63 while doing some intensive gaming (Borderlands 2 mainly), I ramped up the speed to 4 a couple of days ago and my processor started hitting 66 while gaming. I'm guessing the water isn't staying in the radiator as long so it isn't getting cooled as effectively. Just a thought.
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post #27 of 32
Quote:
Originally Posted by NASzi View Post

I know flowrate plays a huge part, for the past couple of months I had my MCP-655 set on 2, my 2500k @ 4.8 would always max out at 63 while doing some intensive gaming (Borderlands 2 mainly), I ramped up the speed to 4 a couple of days ago and my processor started hitting 66 while gaming. I'm guessing the water isn't staying in the radiator as long so it isn't getting cooled as effectively. Just a thought.

Hi,

Not doubting your experience of a hotter CPU at a higher setting - I don't doubt you've actually seen that.

BUT.

It's not possible that the cause is higher flow. If the water "spends less time in the rad" then it also passes through the rad more often. Say the water is spending 10 seconds in the rad, and circulating completely in the loop every 30 seconds, so the water is spending one third of the time in the rad. If you double the flow, the water would spend 5 seconds in the rad, and circulate completely every 15 seconds - still spending one third of the time in the rad.

Higher flow would normally improve the ability of the waterblocks to dump their heat into the water, since higher flow leads to turbulence and mixing in the boundary layer in the blocks, helping the heat get into the water.

Don't know why you're seeing something contrary to that, but it can't be the higher flow.

I would conjecture that it could be heat dump from the pump, but it seems like it would have to be an awful lot of heat dump to make a 3c difference.
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post #28 of 32
Quote:
Originally Posted by Willhemmens View Post

Indeed, so loop order does matter.

Quote:
Originally Posted by Willhemmens View Post

I never said the difference will be noticeable.

If the difference isn't noticeable, and has no measurable impact on performance, then it doesn't matter. The key word, which engineers use quite frequently, is "negligible". In general terms-- Yes, the phenomenon exists, is understood, explained, and mathematically predicted. However, its impact is smaller than the precision of our instruments used to measure it, or whatever mechanism we have to control it; therefore we're wasting our time attempting to account for it.

In other words, you're being a smart aleck. Quit it.
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post #29 of 32
Thread Starter 
Don't know what kind of engineer you're talking about but all the engineers I know are perfectionists and do things correctly.

I'm a smart aleck? Quit it? I've been around here far longer than you and I have a far better reputation.

I have a right to my opinion. Watch your words.
post #30 of 32
Quote:
Originally Posted by Willhemmens View Post

Warning: Spoiler! (Click to show)
Don't know what kind of engineer you're talking about but all the engineers I know are perfectionists and do things correctly.
I'm a smart aleck? Quit it? Warning: Spoiler! (Click to show)
I've been around here far longer than you and I have a far better reputation.
I have a right to my opinion. Watch your words.
Yes.
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