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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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06-14-2004, 09:39 AM | #1 |
Cooling Savant
Join Date: May 2004
Location: Cambridge Uni
Posts: 176
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Pump placement disagreement
Hi, I'll shortly be putting together my W/C setup, and I've got a Swiftech MCP600, 2 heatercores, a MCW-6002 and a Maze 4 GPU.
I was going to Link it up so the system was MCP600 -> Both rads -> MCW-6002 -> Maze 4 -> Back to pump. But he told me that that'd mean the water would be going slower to through the block as it's not connected to the pump, and that the radiators wouldn't perform as well as if it was RAD-> MCW-6002 -> RAD -> MAZE 4, as the water would be warmer when it reached the Maze 4 in my setup. To me the remark about the slower flow makes no sense, as water must go the same speed through the whole setup as water can't be compressed, just like electrical current is exactly the same everywhere in a series circuit. I also thought that his remark about seperating the rads wouldn't make much effect as the water barely changes in temperature at all in just one pass? So basically, is he right? And even if he is/isn't, would you advise I put things in a certain order anyway? Many thanks, Cougem |
06-14-2004, 09:49 AM | #2 |
Cooling Savant
Join Date: Mar 2003
Location: MO
Posts: 781
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Your original sounds fine to me. Having the two rads in parallel reduces the amount they impede flow--they'd each get less flow, but rads are more sensitive to air flow than water flow. Beyond that, just like you said, the flow doesn't depend on order, so hook stuff up however is easiest for you.
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06-14-2004, 09:50 AM | #3 |
Cooling Savant
Join Date: May 2004
Location: Cambridge Uni
Posts: 176
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Yeh I guess the parallel idea is good, but what you'd gain from extra flow you'd lose from heat dissipation performance wouldn't you, as the water is moving slower and would pass only pass through 1 of the rads before rejoining the system.
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06-14-2004, 10:05 AM | #4 |
Cooling Savant
Join Date: Mar 2003
Location: MO
Posts: 781
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The temperature drop across a rad is on the order of tenths of a degree. You'll gain more by the decreased restriction and increased water flow through the blocks.
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06-14-2004, 01:39 PM | #5 |
Cooling Savant
Join Date: May 2004
Location: Cambridge Uni
Posts: 176
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Even with an MCP600? I thought since the MCP600 had so little pressure loss that the series setup would be lovely.
Anyone else got any opinions on it? |
06-15-2004, 12:10 AM | #6 |
Cooling Neophyte
Join Date: May 2004
Location: Little Rock, Arkansas, USA
Posts: 27
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I'd try and get the pump right before the cpu water block--and just like Groth said, the water really isn't all that warmer (like, you wouldn't be able to tell which was warmer if you could somehow touch the water) after it goes through the block. A lot of people seem to believe that cool water goes into the waterblock and then comes out hot, but this is not really true.
Bruce |
06-15-2004, 02:45 AM | #7 |
Cooling Savant
Join Date: May 2004
Location: Cambridge Uni
Posts: 176
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Why try and get the pump right before the CPU block though, doesn't water have to be the same speed all around the circuit?
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06-15-2004, 02:59 AM | #8 | |
Cooling Neophyte
Join Date: May 2004
Location: Little Rock, Arkansas, USA
Posts: 27
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Quote:
Bruce |
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06-15-2004, 08:52 AM | #9 |
Cooling Neophyte
Join Date: Oct 2002
Location: Malaysia
Posts: 48
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if i'm not mistaken, the best placement would be the one that suits your setup the most, reduce the number of bends, kinks, and make it as clean as possible..
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06-15-2004, 05:43 PM | #10 | |
Cooling Savant
Join Date: Jan 2004
Location: london, england
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Quote:
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06-15-2004, 11:15 PM | #11 |
Cooling Neophyte
Join Date: Feb 2004
Location: D.C.
Posts: 55
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when i reversed the flow in my rig, i saw no temperature drop. i'd do as above and use the most convenient and least restrictive flow routing.
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06-16-2004, 07:43 AM | #12 | |
Cooling Savant
Join Date: Dec 2002
Location: Sweden
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Quote:
(sh*t, I´m confusing myself again) Well, it wouldn´t make much difference where in the loop You put the pump. The velocity in the water inlet in the blocks would be pretty much the same. Otherwise I go with Groth, hook it up the easiest way. regards Mikael S.
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