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$200 and 3 weeks later, and it runs hotter?!? - Page 2

post #11 of 12
If I'm reading it correctly, you are splitting your loop into parallel branches, one to the CPU block and a radiator, and one to the GPU blocks and a radiator.

If this is the case, that is your problem right there.
Parallel branches only works if both branches have nearly identical restriction to flow.
Water will take the path of least resistance, so most of it will flow through the branch with the least restriction, starving the other branch for cooling.

If your GPU blocks are in parallel, there is MUCH less restriction through the GPU branch of the loop than through the CPU branch.

Get rid of the splitters.
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Grog
(21 items)
 
TC Folding Gimp
(14 items)
 
 
CPUMotherboardGraphicsGraphics
i7-950 Asus P6X58D-E Asus ENGTX470 BFG 9800GT 
RAMHard DriveOptical DriveCooling
Corsair Dominator GT Velociraptor 3000HLFS Lite On DVD burner EK Supreme HF 
CoolingCoolingCoolingCooling
AquagraFX470 EK FC-88 Koolance RP402x2 MCP35x pumps 
CoolingCoolingOSMonitor
Phobya Extreme 200 and Quad 480 radiators. 9x Akasa Viper fans Windows 7 Ultimate Old LG Flatron 1680x1050 
KeyboardPowerCase
Logitech G15 + Logitech G13 game pad Thermaltake 850W Corsair 600T 
CPUMotherboardGraphicsRAM
Phenom x4 9650 Cheap MSI board EVGA GTX580 SC Junk PC-800 DDR2 
Hard DriveOptical DriveCoolingOS
WD Blue Generic DVD Cuplex Kryos HF CPU block, Swiftech MCW82 GPU b... Windows 7 Home Premium 
PowerCase
Antec True Power 650W >10 year old Antec something or other. 
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Reply
post #12 of 12
Quote:
Originally Posted by Caleal View Post
If I'm reading it correctly, you are splitting your loop into parallel branches, one to the CPU block and a radiator, and one to the GPU blocks and a radiator.

If this is the case, that is your problem right there.
Parallel branches only works if both branches have nearly identical restriction to flow.
Water will take the path of least resistance, so most of it will flow through the branch with the least restriction, starving the other branch for cooling.

If your GPU blocks are in parallel, there is MUCH less restriction through the GPU branch of the loop than through the CPU branch.

Get rid of the splitters.
Took the words right out of my mouth. Blocks tend to get starved of water when running in parallel. The water takes the path of least resistance causing an uneven distribution. I can promise if you run serial your temps will drop. Best of luck!

Sent from my DROIDX using Tapatalk
Edited by pali - 8/22/11 at 8:16pm
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